Relevant bibliographies by topics / Rubidium

Academic literature on the topic 'Rubidium'

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Published: 4 June 2021
Last updated: 30 July 2024

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Journal articles on the topic "Rubidium"

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Huang, Zheng-gen, Lian-ying An, He-yin Yi, and Tao Wang. "Study on the 4-ethyl-2(α-methyl benzyl) phenol Extraction-Separation Between Rubidium and Potassium." E3S Web of Conferences 245 (2021): 03069. http://dx.doi.org/10.1051/e3sconf/202124503069.

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More than 92% of rubidium resources on the earth exist in salt lake brine and underground brine. Rubidium in brine coexists with a large amount of potassium with very similar physical and chemical properties, making the extraction technology of rubidium extremely difficult, and a large amount of rubidium resources in brine have not been rationally utilized. Therefore, the development of a new type of high-selectivity rubidium-potassium separation extractant is of great significance to the establishment of efficient separation and extraction technology of rubidium. By modifying the structure of 4-tert-butyl-2-(α-methylbenzyl)phenol, the traditional rubidium extractant, the steric hindrance effect of tert-butyl is reduced and the reaction efficiency of rubidium and extractant is improved. A new extractant 4-ethyl-2-(α-methylbenzyl)phenol was obtained. The thesis carried out the research on the extraction and separation performance of potassium rubidium 4-ethyl-2-(α-methylbenzyl)phenol. The results show that the new extraction agent 4-ethyl-2-(α-methylbenzyl)phenol and potassium rubidium brine are extracted and separated with a ratio of 10:1. The minimum separation coefficient of rubidium potassium can reach 15 or more, showing excellent separation performance ; When the organic phase is composed of 0.8mol/L extractant and D60 solvent oil, the alkalinity of the aqueous phase is 0.5mol/L sodium hydroxide, and the extraction time is 3 minutes, the single-stage extraction rate of rubidium can reach more than 76.0%, rubidium potassium The separation coefficient can reach more than 26. After repeated use, the extraction rate of rubidium can be maintained above 73% and the separation coefficient of rubidium potassium can reach 23, without a significant drop. It provides a new way and idea for the extraction and separation technology of rubidium in high potassium brine.
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Brusentsova, A. V., D. V. Turchaninov, I. A. Sokhoshko, and V. A. Shirinskiy. "Rubidium intake in the adult population of the Omsk region." Fundamental and Clinical Medicine 7, no. 1 (March 30, 2022): 8–16. http://dx.doi.org/10.23946/2500-0764-2022-7-1-8-16.

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Aim. To assess the nutritional consumption of rubidium in the adult population of the Omsk Region.Materials and Methods. Here we performed a cross-sectional study which included 421 individuals (177 men and 244 women) aged 18 to 83 years (median age 37 (23; 57) years). Rubidium consumption was determined by analysing the frequency of food intake and chemical composition of food consumed by the population of the Omsk Region.Results. Median daily rubidium intake was 1.1 mg/day (0.81; 1.48) that sufficiently exceeds minimum recommended dose (0.1 mg/day). We defined the reference range of rubidium intake as 1.1 (0.71 – 1.71) mg/day. Rubidium consumption tended to increase along with the population age, albeit no significant differences have been found between different age groups as well as between men and women. The most abundant rubidium sources were vegetables (55.6%) and beverages (29.6%). Among vegetables, the main sources of rubidium were onion (31.7%) and fresh tomatoes (20.7%), while tea was responsible for the majority (84.6%) of rubidium consumed from beverages. The proportion of vegetable-derived rubidium increased with age, in contrast to beverage-derived rubidium which demonstrated an opposite trend.Conclusion. The reference range of rubidium intake in the Omsk Region is 1.1 (0.71 – 1.71) mg/day. Rubidium intake does not depend on age and gender. The main sources of rubidium are vegetables and beverages.
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Cui, Xi, Wenzheng Zhang, Rui Ji, Mingliang Yang, Shichao Wang, and Tao Qu. "A Study on the Removal of Impurity Elements Silicon and Zinc from Rubidium Chloride by Vacuum Distillation." Materials 17, no. 9 (April 24, 2024): 1960. http://dx.doi.org/10.3390/ma17091960.

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With the rapid development of high and new technology, rubidium and its compounds show broad application prospect and market demand with their unique characteristics. At present, the production of rubidium metal is mainly prepared by calcium thermal reduction of rubidium chloride. Rubidium metal obtained by reduction requires multi-step vacuum distillation to obtain high-purity rubidium metal. The purity of rubidium metal depends on the purity of the raw material rubidium chloride. Rubidium metal is relatively active and is easy to oxidize and explode in air. Therefore, a method combining vacuum decomposition and vacuum distillation to reduce impurity elements in rubidium chloride from raw materials is proposed in this paper. The experimental results show that under the conditions of pressure of 5–10 Pa, distillation temperature of 823 K and vacuum distillation time of 60 min, the contents of Si and Zn impurities are reduced from 1206 mg/kg and 310 mg/kg to less than 0.1 mg/kg, and the removal rates are 99.99% and 99.97%, respectively. Rubidium chloride has almost no loss, and through one-step vacuum distillation, the impurity elements silicon and zinc can be deeply removed, reducing the flammability and explosiveness, high cost, long process and other problems caused by the subsequent preparation of high-purity rubidium metal.
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RITTER, STEPHEN K. "RUBIDIUM." Chemical & Engineering News 81, no. 36 (September 8, 2003): 98. http://dx.doi.org/10.1021/cen-v081n036.p098.

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Syme, P. D., R. M. Dixon, J. L. Allis, J. K. Aronson, D. G. Grahame-Smith, and G. K. Radda. "A non-invasive method of measuring concentrations of rubidium in rat skeletal muscle in vivo by 87Rb nuclear magnetic resonance spectroscopy: implications for the measurement of cation transport activity in vivo." Clinical Science 78, no. 3 (March 1, 1990): 303–9. http://dx.doi.org/10.1042/cs0780303.

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1. We have used n.m.r. spectroscopy to measure rubidium concentrations in the skeletal muscle of live intact rats. Using a 1.9 T superconducting magnet and an ear-phone coil tuned to both protons (1H) and rubidium (87Rb), it was possible to make measurements of both tissue rubidium content and water content, and from these measurements to obtain the rubidium concentration. 2. The n.m.r. estimate of rubidium concentration in muscle in vivo was found to be a constant 31% (sem 4%) of that estimated by flame atomic absorption spectroscopy in an extract of excised muscle. This is close to the predicted theoretical n.m.r. visibility of 33%. The visibility was constant for muscle rubidium concentrations ranging between 10 and 34 mmol/l. 3. Rubidium concentration measurement by this method is unaffected by variations in sample geometry, sample volume, tissue conductivity, coil tuning and amplifier gain. 4. By using this method to measure changes in tissue rubidium concentration with time in the same animal, it should now be possible to assess the activity of ion transport systems, such as sodium- and potassium-activated adenosine triphosphatase in vivo, by measuring the rates of change of tissue rubidium concentrations during the administration of rubidium salts. 5. This method could also be used to measure the absolute concentration of any n.m.r.-visible nucleus and could be applied to man.
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Petrov, Igor A., Anastasiya D. Shlyaptseva, Alexandr P. Ryakhovsky, Elena V. Medvedeva, and Victor V. Tcherdyntsev. "Effect of Rubidium on Solidification Parameters, Structure and Operational Characteristics of Eutectic Al-Si Alloy." Metals 13, no. 8 (August 4, 2023): 1398. http://dx.doi.org/10.3390/met13081398.

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Modification of the eutectic silicon in Al–Si alloys causes a structural transformation of the silicon phase from a needle-like to a fine fibrous morphology and is carried out extensively in the industry to improve mechanical properties of the alloys. The theories and mechanisms explaining the eutectic modification in Al–Si alloys are considered. We discuss the mechanism of eutectic rubidium modification in the light of experimental data obtained via quantitative X-ray spectral microanalysis and thermal analysis. X-ray mapping revealed that rubidium, which theoretically satisfies the adsorption mechanisms of silicon modification, had an effect on the silicon growth during solidification. Rubidium was distributed relatively homogeneously in the silicon phase. Microstructural studies have shown that rubidium effectively refines eutectic silicon, changing its morphology. Modification with rubidium extends the solidification range due to a decrease in the solidus temperature. The highest level of mechanical properties of the alloy under study was obtained with rubidium content in the range of 0.007–0.01%. We concluded that rubidium may be used as a modifier in Al-Si eutectic and pre-eutectic alloys. The duration of the modifying effect of rubidium in the Al-12wt%Si alloy melt and porosity in the alloy modified with rubidium were evaluated.
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Guo, Yonggang, Lili Zhu, Shiwei Wang, Jun Zhang, Fucheng Shi, Jinhai Zhang, Jianxiang Wang, Wenxin Li, and Zhidong Liu. "Improving the start-up characteristics of the rubidium atomic clock." AIP Advances 12, no. 4 (April 1, 2022): 045216. http://dx.doi.org/10.1063/5.0086523.

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Considering the importance of start-up characteristics of the rubidium atomic clock in engineering applications, the objective of this paper is to optimize the start-up characteristics of the rubidium atomic clock by studying the theory of the rubidium atomic frequency standards, especially the light pumping process, and the effect of light intensity on frequency accuracy. Our analysis demonstrated that frequency accuracy is proportional to the light intensity, and hence, we propose a method for actively optimizing the start-up characteristics of the rubidium atomic clock by utilizing the fluctuations in light intensity. Additionally, some related experiments using the proposed method indicate that the light intensity–frequency coefficient of the rubidium atomic clock is improved from 1.84 × 10−9 to 4.21 × 10−10 V−1 within 30 min after the rubidium atomic clock is locked, and also, the lockout time is less than 5 min with a wide working temperature range (0–50 °C), indicating a significant improvement in the start-up characteristics of the rubidium atomic clock.
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Lian, Jiqing, Jinhai Zhang, Fucheng Shi, Jun Zhang, Lixun Wei, and Kuan Wang. "Analysis and optimization of rubidium spectrum lamp to eliminate frequency fluctuations of rubidium atomic frequency standard." MATEC Web of Conferences 316 (2020): 02003. http://dx.doi.org/10.1051/matecconf/202031602003.

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Rubidium atomic frequency standard (RAFS) is the most widely used frequency standard in space. The light used to pump the atoms and detect the resonance signal is emitted by rubidium spectrum lamp, so the light intensity of rubidium spectrum lamp directly determines the performance of RAFS. This paper discussed on-board RAFS’ output frequency fluctuations caused by rubidium spectrum lamp. The reason of frequency fluctuations from rubidium lamps was described. To obtain stable lamp light intensity, analysis and optimization of the lamp was developed. Relevant experiments were carried out to verify the optimization. The study content of this paper is beneficial to improve the performance of a single temperature controlled space RAFS physics package.
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Wood, A. J., A. Viswalingam, P. Glue, J. K. Aronson, and D. G. Grahame-Smith. "Measurement of cation transport in vivo in healthy volunteers after the oral administration of lithium carbonate." Clinical Science 76, no. 4 (April 1, 1989): 397–402. http://dx.doi.org/10.1042/cs0760397.

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1. We have measured cation transport in vivo in seven healthy volunteers under control conditions and after they had taken lithium carbonate for 21 days in doses which maintained the serum lithium concentration in the range 0.6–0.8 mmol/l. 2. We have measured cation transport in vivo after the administration of an oral load of rubidium chloride, and have found that, although intra-erythrocytic concentrations of rubidium were significantly lower 1 h after the administration of rubidium when the subjects were taking lithium, there was a significant increase in the rate of uptake of rubidium into the erythrocytes over the subsequent period of the test, suggesting a direct stimulation of sodium, potassium-activated adenosine triphosphatase by lithium. 3. Lithium administration did not affect the plasma concentration versus time profile of rubidium after the rubidium load, implying that the lithium-stimulated uptake of rubidium which occurs in erythrocytes does not necessarily occur in other cell types. 4. These results suggest that previous studies of cation transport using peripheral cells and assay systems in vitro do not necessarily reflect changes in cation transport in vivo in excitable tissues.
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Huang, Dongfang, Guixiang Ma, Peng Lv, and Quanbao Zhou. "Extraction of rubidium ion from brine solutions by dicyclohexano-18-crown-6 / ionic liquid system." Polish Journal of Chemical Technology 25, no. 1 (March 1, 2023): 61–68. http://dx.doi.org/10.2478/pjct-2023-0009.

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Abstract Separation among rubidium and potassium ions from salt lake brines remains challenging. In this work, a typical room temperature ionic liquid 1-ethyl-3-metyhlimidazaolium bis(trifluoromethylsulfonyl)imide ([C2mim+][NTf2 –]) was used as diluent and synergistic extractant, dicyclohexano-18-crown-6 (DCH18C6) was used as extractant to extract rubidium ions from brine solutions which contain high concentrations of potassium ions was investigated. Under the optimal conditions, the single extraction efficiency of rubidium ions was up 93.63%. The thermodynamic parameters of the rubidium ion extraction were obtained. Based on the slope analysis method, the extracted species in the organic phase were ascertained as 1:1 complex. UV-visible has been performed to investigate the ion concentration of ionic liquid before and after the interaction of metal ions and ligands. Rubidium ions in [Rb · DCH18C6]+ complex were stripped by 2.5 mol · L–1 NH4NO3. The extraction system offers high efficiency, simplicity and environmentally friendly application prospect to separate rubidium from brine solutions.
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Dissertations / Theses on the topic "Rubidium"

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Thompson, Sarah Theresa. "Rubidium-85 Feshbach molecules." Diss., Connect to online resource, 2006. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3219200.

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Trachy, Marc Lawrence. "Photoassociative ionization in cold rubidium." Diss., Manhattan, Kan. : Kansas State University, 2008. http://hdl.handle.net/2097/695.

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Schultz, Eric M. "Quantum interference spectroscopy with rubidium." Kansas State University, 2010. http://hdl.handle.net/2097/4614.

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Master of Science
Department of Physics
Brett D. DePaola
A recent powerful spectroscopic technique that has been implemented using femtosecond lasers excites atoms or molecules through quantum interference effects. The results are oscillations in excited state populations that represent the optical frequencies used in the excitation pathway, these frequencies can be found by Fourier analysis. The technique uses a Mach-Zender interferometer wherein one femtosecond pulse is split into two pulses that are phase coherent. These pulses are the pump and probe pulses which are delayed with respect to one another by a variable time. During the delay between pulses the state excited by the first (pump) pulse evolves in time before the probe pulse is used to excite the atom into its final state. The observed final state population exhibits interference between the several possible pathways to the final state. The information gained from this method will allow for advances in other processes such as the dynamics of photo-association.
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Dewey, Wayne. "A GPS Disciplined Rubidium Clock." International Foundation for Telemetering, 1989. http://hdl.handle.net/10150/614469.

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International Telemetering Conference Proceedings / October 30-November 02, 1989 / Town & Country Hotel & Convention Center, San Diego, California
Sub-Microsecond timing accuracy for event tagging and multisite synchronization is possible using the Global Positioning System. In order to maintain a high degree of accuracy during periods when no satellites are visible, a highly stable local time base is required. For those cases which require Cesium Oscillator stability, initial cost and continuing maintenance of the Cesium Oscillator must be considered. A viable alternative is attained by using the Global Positioning System and an oscillator disciplining process. With this system, near Cesium performance can be achieved using a more rugged lower cost Rubidium oscillator. Additionally, when 24 hour satellite coverage becomes available, system performance may surpass that of a Cesium in long term stability as well as long term drift. This presentation describes the system components, including Global Positioning System receiver, Miniaturized Controllable Rubidium Oscillator and Global Positioning System Clock. Clock timing accuracy and short and long term frequency stability results are discussed along with the control algorithms used in the disciplining process. A brief discussion of the computer modeling tools used is also presented.
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Himsworth, Matthew. "Coherent manipulation of ultracold Rubidium." Thesis, University of Southampton, 2009. https://eprints.soton.ac.uk/72369/.

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The production of dense samples of atoms whose translational velocity can be parameterized by temperatures in the microkelvin range has revolutionized the fields of spectroscopy, metrology, quantum computing and sensitive tests of quantum mechanics. Such ultracold temperatures may be reached by Doppler cooling which uses a velocitysensitive scattering force. This technique relies upon atoms which have closed electronic transitions between two states so that the atoms may continuously absorb photon momenta and do not spontaneous decay into a dark state. Very few atoms fulfil this condition and attempts to cool molecules are inhibited by their extra degrees of freedom, via rotation and vibration, which add manifolds of extra states. This thesis describes the early experimental stages of investigation into coherent laseratom interactions which may be used as a general all-optical method to impart momentum to atoms and molecules and thus manipulate their velocity. The thesis covers the construction and operation of stable diode lasers, a magneto-optical trap to produce cold samples of the test species Rubidium and a high-power, phase and intensity, controllable laser to induce Raman transitions. Studies into the spectroscopy of Rubidium and the nature of coherent Raman interactions in multilevel atoms is also covered. Experimental results shows that coherent Raman transitions between the 5S1/2 ground states has been achieved in the form of sinc-squared lineshapes and Rabi-flopping.
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Sinclair, Gary F. "Cross-phase modulation in rubidium-87." Thesis, St Andrews, 2009. http://hdl.handle.net/10023/735.

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Saers, Robert. "Ultracold rubidium atoms in periodic potentials." Doctoral thesis, Umeå universitet, Fysik, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-1821.

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This thesis includes both experimental and theoretical investigations, presented in a series of eight papers. The experimental part ranges from the construction procedures of an apparatus for Bose-Einstein condensates, to full scale experiments using three different set-ups for ultracold atoms in optical lattices. As one of the main themes of the thesis, an experimental apparatus for production of Bose-Einstein Condensates is under construction. A magneto-optically trapped sample, hosting more than 200 million 87Rb atoms, have successfully been loaded into a magnetic trap with high transfer rate. The lifetime of the sample in the magnetic trap is in the range of 9 s, and the atoms have been shown to respond to evaporative cooling. The experiment is ready for optimization of the magnetic trap loading, and evaporative cooling parameters, which are the final steps for reaching Bose-Einstein condensation. The set-up is designed to host experiments including variable geometry optical lattices, and includes the possibility to align laser beams with high angular precision for this purpose. The breakdown of Bloch waves in a Bose-Einstein condensate is studied, attributed to the effect of energetic and dynamical instability. This experimental study is performed using a Bose-Einstein condensate in a moving one-dimensional optical lattice at LENS, Florence Italy. The optical lattice parameters, and the thermal distribution of the atomic sample required to trigger the instabilities, are detected, and compared with a theoretical model developed in parallel with the experiments. In close connection with these one-dimensional lattice studies, an experimental survey to characterize regimes of superradiant Rayleigh scattering and Bragg scattering is presented. Tunneling properties of repulsively bound atom pairs in double well potentials are characterized in an experiment at Johannes Gutenberg University, Mainz Germany. A three-dimensional optical lattice, producing an array of double wells with tunable properties is let to interact with a Bose-Einstein condensate. Pairs of ultracold atoms are produced on one side in the double wells, and their tunneling behavior, dependent on potential barrier and repulsion properties, is studied. A theoretical study of the crossover between one- and two-dimensional systems has been performed. The simulations were made for a two-dimensional array of atoms, where the behavior for different tunneling probabilities and atom-atom repulsion strengths was studied. Scaling relations for systems of variable sizes have been examined in detail, and numerical values for the involved variables have been found.
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Scotto, Stefano. "Rubidium vapors in high magnetic fields." Thesis, Toulouse 3, 2016. http://www.theses.fr/2016TOU30318/document.

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La spectroscopie optique des atomes simples permet une mesure très précise des propriétés atomiques et des perturbations extérieures, comme par exemple des champs électriques ou magnétiques appliqués. Le spectre Zeeman correspond à une signature du champ magnétique. Dans cette thèse nous présentons l'étude de la réponse du rubidium aux champs magnétiques intenses, dans le but d'utiliser celle-ci comme une sonde de champ magnétique dans l'intervalle de 0.1 T à 60 T. Ce travail a été réalisé dans le cadre du projet RUHMA (RUbidium Atoms in High MAgnetic fields). Notre étude ouvre la voie à la métrologie optique des champs intenses, en déterminant un champ magnétique grâce à la mesure d'une fréquence optique. Le principe de l'expérience consiste à comparer les spectres atomiques expérimentaux et les spectres théoriques calculés, afin d'obtenir la valeur de l'intensité du champ. Nous avons réalisé des premiers tests en champ magnétiques statiques, compris entre 0.06 T et 0.2 T. Dans ce régime, nous avons étudié en détails les effets dus à la structure particulière des niveaux d'énergie du système atomique: des configurations à trois ou quatre niveaux produisent des nouvelles résonances et influencent l'amplitude des signaux observés . Après cette phase préliminaire, le régime de champs intenses (entre 1 T et 60 T) a été exploré, en utilisant les bobines pulsées du Laboratoire National des Champs Magnétiques Intenses de Toulouse. L'une des tâches critiques de ce travail a été la miniaturisation du système expérimental, dans le but de satisfaire les contraintes imposées par une expérience en champ intense. Avec ce système nous avons pu étudier la métrologie des champs pulsés jusqu'à environ 58 T , ce qui est, à ce jour, le champ le plus intense auquel un gaz atomique n'a jamais été soumis. L'incertitude relative de notre méthode est de l'ordre de 10-4
Optical spectroscopy of simple atoms allows a very precise measurement of the atomic properties and of the external perturbations, as applied magnetic or electric fields. The Zeeman spectrum represents a magnetic field fingerprint. In this work we present our investigations about rubidium response to high magnetic fields in order to use it as magnetic field probe in the range 0.1 T - 60 T. This work was carried out in the framework of the RUHMA (RUbidium Atoms in High MAgnetic fields) project. Our investigation opens the path to magnetic field optical metrology, converting a magnetic field measurement into an optical frequency determination. The principle of the experiment is to compare experimental atomic spectra with computed theoretical spectra, in order to extract the value of the magnetic field strength. We performed our preliminary tests in static magnetic fields, ranging from 0.06 T to 0.2 T. In this framework we investigated in details some complex spectroscopic structures due to the multi-level nature of the atomic system. After this preliminary phase, the 1T-60T range have been investigated using the pulsed magnets of the Laboratoire National des Champs Magnétiques Intenses in Toulouse. We carried out an effort of miniaturization of the experimental setup in order to satisfy the constraints imposed by high magnetic field experiments. We performed metrology of pulsed magnetic field up to 58 T, which is the highest field an atomic gas has never been exposed. The accuracy of our method attained the level of 10-4
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Majeed, Hawri Omer. "Rubidium Rydberg Spectroscopy for the Micromaser." Thesis, University of Leeds, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.515550.

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Martay, Hugo E. L. "Coherent control of cold rubidium dimers." Thesis, University of Oxford, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.533833.

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Books on the topic "Rubidium"

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Gorokhov, I. M. Rubidiĭ-stront͡s︡ievyĭ metod izotopnoĭ geokhronologii. Moskva: Ėnergoatomizdat, 1985.

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Hotta, S. Steven. Myocardial perfusion imaging with rubidium 82 positron emission tomography. Rockville, Md: Agency for Health Care Policy and Research, Office of Health Technology Assessment, 1995.

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G, Hadley Donald, Saudi Arabia. Deputy Ministry for Mineral Resources, and Geological Survey (U.S.), eds. Ages and strontium initial ratios of plutonic rocks in a transect of the Arabian Shield. [Reston, Va.?]: Dept. of the Interior, U.S. Geological Survey, 1985.

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Czapla, Zbigniew. Ferroelectricity and phase transitions in rubidium and ammonium hydrogen selenates. Wrocław: Wydawn. Uniwersytetu Wrocławskiego, 1985.

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United States. Bureau of Mines, ed. Rubidium: A chapter from Mineral facts and problems, 1985 edition. [Washington, D.C.?]: U.S. Dept. of the Interior, Bureau of Mines, 1985.

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Kattau, Wolfgang. Frequenzaufgelöste Kohärenzspektroskopie am Rubidium 87 mit kurzen Lichtimpulsen eines Halbleiterlasers. [s.l.]: [s.n.], 1990.

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McGuinness, Cormac. The XUV photoabsorption and photoionisation spectra of selected ions: Techniques, results and theory. Dublin: University College Dublin, 1996.

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Kistler, Ronald Wayne. A strontium isotopic study of plutons and associated rocks of the southern Sierra Nevada and vicinity, California. Washington: U.S. G.P.O., 1990.

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H, Volk C., Aerospace Corporation, and United States. Air Force. Space Division, eds. Lifetime and reliability of rubidium discharge lamps for use in atomic frequency standards. Los Angeles, CA: Space Division, Air Force Systems Command, 1985.

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Raimbault-Hartmann, Harald. Präzisionsmassenbestimmung neutronenreicher Rubidium- und Strontiumisotope und Entwicklung und Test eines neuen Konzeptes zur Ionenakkumulation und -kühlung für ISOLTRAP. [s.l.]: [s.n.], 1994.

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Book chapters on the topic "Rubidium"

1

Nebel, Oliver. "Rubidium." In Encyclopedia of Earth Sciences Series, 1–2. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-39193-9_135-1.

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Nebel, Oliver. "Rubidium." In Encyclopedia of Earth Sciences Series, 1316–18. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-39312-4_135.

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Meißner, D., and T. Arndt. "Rubidium." In Lexikon der Medizinischen Laboratoriumsdiagnostik, 1. Berlin, Heidelberg: Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-49054-9_2719-1.

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Sawyer, A. K. "Rubidium." In Inorganic Reactions and Methods, 200. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470145258.ch47.

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Meißner, D., and T. Arndt. "Rubidium." In Springer Reference Medizin, 2085–86. Berlin, Heidelberg: Springer Berlin Heidelberg, 2019. http://dx.doi.org/10.1007/978-3-662-48986-4_2719.

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Macintyre, J. E. "Rb Rubidium." In Dictionary of Organometallic Compounds, 283. Boston, MA: Springer US, 1986. http://dx.doi.org/10.1007/978-1-4615-6847-6_41.

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Ross, Robert B. "Rubidium Rb." In Metallic Materials Specification Handbook, 280. Boston, MA: Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-3482-2_39.

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MacIntyre, Jane E. "Rb Rubidium." In Dictionary of Organometallic Compounds, 195. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4899-6848-7_44.

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Barker, M. G. "Rubidium Systems." In Inorganic Reactions and Methods, 313. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470145289.ch106.

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Nagy, Zoltán. "Rb—Rubidium." In Electrochemical Synthesis of Inorganic Compounds, 387. Boston, MA: Springer US, 1985. http://dx.doi.org/10.1007/978-1-4899-0545-1_53.

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Conference papers on the topic "Rubidium"

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Frueholz, R. P., and J. C. Camparo. "A Rubidium Clock Model." In 39th Annual Symposium on Frequency Control. IEEE, 1985. http://dx.doi.org/10.1109/freq.1985.200815.

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Krupke, William F., Raymond J. Beach, V. Keith Kanz, and Stephen A. Payne. "Diode Pumpable Rubidium Laser." In Advanced Solid-State Photonics. Washington, D.C.: OSA, 2003. http://dx.doi.org/10.1364/assp.2003.121.

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Little, C. "GPS disciplined rubidium oscillator." In 10th International Conference on European Frequency and Time. IEE, 1996. http://dx.doi.org/10.1049/cp:19960026.

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Peil, Steven, Scott Crane, Thomas Swanson, and Christopher R. Ekstrom. "The USNO Rubidium Fountain." In Proceedings of the 2006 IEEE International Frequency Control Symposium and Exposition. IEEE, 2006. http://dx.doi.org/10.1109/freq.2006.275402.

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MacIntyre, A., and S. R. Stein. "A Disciplined Rubidium Oscillator." In 40th Annual Symposium on Frequency Control. IEEE, 1986. http://dx.doi.org/10.1109/freq.1986.200986.

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Yin, B., and T. M. Shay. "Rubidium Stark anomalous dispersion optical filter." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1992. http://dx.doi.org/10.1364/oam.1992.fmm6.

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A Stark anomalous dispersion optical filter (SADOF) is an ultra-narrow bandwidth optical filter for applications in laser remote sensing and satellite laser communications. A SADOF consists of an atomic vapor cell between crossed polarizers subject to a dc electrical field transverse to the optical path and oriented 45° relative to the crossed polarizers. When linearly polarized light travels through a rubidium atomic vapor cell, a polarization rotation occurs (Stark induced birefringence). Large rotation angles may be obtained when the input light frequency is near the resonant frequencies of the atomic vapor. The transmission peaks of the SADOF correspond to frequencies that have rotation angles of odd integer multiples of π/2 and low absorption in the vapor cell. The transmission curve depends on the electric field and atomic density, and the optimum conditions for a rubidium SADOF are found through theoretical calculations that include both Stark spectral and polarization rotation. We will present theoretical SADOF transmission curves for several green rubidium transition frequencies.
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Zweiback, J., and B. Krupke. "Rubidium and potassium alkali lasers." In SPIE LASE: Lasers and Applications in Science and Engineering, edited by Steven J. Davis, Michael C. Heaven, and J. Thomas Schriempf. SPIE, 2009. http://dx.doi.org/10.1117/12.807850.

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Schmidt, Holger, Wenge Yang, Bin Wu, Dongliang Yin, Donald B. Conkey, John Hulbert, and Aaron R. Hawkins. "Rubidium spectroscopy on a chip." In Integrated Optoelectronic Devices 2007, edited by Zameer U. Hasan, Alan E. Craig, Selim M. Shahriar, and Hans J. Coufal. SPIE, 2007. http://dx.doi.org/10.1117/12.716466.

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Weber, C., M. Haas, S. John, V. Leung, L. Steffens, D. Haubrich, A. Rauschenbeutet, and D. Meschede. "Interacting Rubidium and Caesium Atoms." In 2007 European Conference on Lasers and Electro-Optics and the International Quantum Electronics Conference. IEEE, 2007. http://dx.doi.org/10.1109/cleoe-iqec.2007.4386716.

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Riley, W. J., and J. K. Vaccaro. "A Rubidium-Crystal Oscillator (RbXO)." In 40th Annual Symposium on Frequency Control. IEEE, 1986. http://dx.doi.org/10.1109/freq.1986.200985.

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Reports on the topic "Rubidium"

1

Frueholz, Robert P., and James C. Camparo. A Rubidium Clock Model,. Fort Belvoir, VA: Defense Technical Information Center, June 1986. http://dx.doi.org/10.21236/ada171133.

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Lynch, Thomas J., and William J. Riley. Tactical Rubidium Frequency Standard (TRFS). Volume 1. Fort Belvoir, VA: Defense Technical Information Center, October 1987. http://dx.doi.org/10.21236/ada192981.

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Walsworth, Ronald L. Precision Measurements with Hydrogen and Rubidium Masers. Fort Belvoir, VA: Defense Technical Information Center, August 1997. http://dx.doi.org/10.21236/ada329637.

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Azuma, Y., H. G. Berry, and P. L. Cowan. Photoabsorption spectra of potassium and rubidium near the K-edge. Office of Scientific and Technical Information (OSTI), August 1995. http://dx.doi.org/10.2172/166501.

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Raman, Chandra S. Ultracold sodium and rubidium mixtures: collisions, interactions and heteronuclear molecule formation. Office of Scientific and Technical Information (OSTI), February 2013. http://dx.doi.org/10.2172/1170216.

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Miller, Wooddy, and Wooddy S. Miller. Temperature Dependent Rubidium Helium Line Shapes and Fine Structure Mixing Rates. Fort Belvoir, VA: Defense Technical Information Center, September 2015. http://dx.doi.org/10.21236/ad1003086.

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Buisson, James A., and Marie M. Largay. On-Orbit Frequency Stability Analysis of the GPS NAVSTAR 8 Rubidium Clock and NAVSTARs 9 and 10 Cesium Clocks. Fort Belvoir, VA: Defense Technical Information Center, September 1987. http://dx.doi.org/10.21236/ada184984.

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Frueholz, Robert P. The Effects of Ambient Temperature Fluctuations on the Long-Term Frequency Stability of a Miniature Rubidium Atomic Frequency Standard. Fort Belvoir, VA: Defense Technical Information Center, February 1998. http://dx.doi.org/10.21236/ada349664.

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Volk, C. H., and R. P. Frueholz. The Role of Long Term Lamp Fluctuations in the Random Walk of Frequency Behavior of the Rubidium Frequency Standard. A Case Study. Fort Belvoir, VA: Defense Technical Information Center, March 1985. http://dx.doi.org/10.21236/ada155338.

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Brushett, D. M., C. E. Beckett-Brown, M. B. McClenaghan, R. C. Paulen, J. M. Rice, A. Haji Egeh, and P. Pelchat. Till geochemical data for the Brazil Lake pegmatite area, southwest Nova Scotia, Canada (NTS 21-A/04, 20-O/16 and 20-P/13): samples collected in 2020, 2021, and 2022. Natural Resources Canada/CMSS/Information Management, 2024. http://dx.doi.org/10.4095/332384.

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This open file reports geochemical data for till samples collected as a part of a till geochemical and surficial mapping project around the Brazil Lake lithium-cesium-tantalum (LCT-type) pegmatite in southwestern Nova Scotia (NTS map sheets 21A/04, 20O/16 and 20P/13). The global rise in lithium demand has motivated the Geological Survey of Canada's (GSC) recent investigations of the Brazil Lake pegmatites to study surficial geochemistry methods that can be used to explore for lithium and associated critical minerals (i.e., Cs, Ta, Be, In, Sn, W). These types of deposits are important sources of lithium, tin, and rubidium and the primary source of tantalum. This research at Brazil Lake is being undertaken as part of the GSC's Targeted Geoscience Initiative Program and has been carried out in partnership with the Nova Scotia Department of Natural Resources and Renewables (NSDNRR). The goals of the research are to increase exploration success in regions covered by glacial sediments by documenting how critical minerals and associated elements are glacially dispersed in till from pegmatites at the Brazil Lake property. Newly available LiDAR data assisted in deciphering ice flow trajectories, which in turn, allowed for targeted till sampling. A total of 184 till samples were collected for till geochemistry in 2020, 2021 and 2022 and the data reported here include widely spaced regional samples collected across southwest Nova Scotia, proximal samples collected up-ice, overlying, and down-ice of the Brazil Lake pegmatites. The widely spaced till samples provide the regional context for the interpretation of the case study samples and assess the potential for additional pegmatites buried by extensive till cover. Data reported in this Open File include sample descriptions, location, site photos, and geochemical analyses of the coarse sand (1.0 - 2.0 mm) and silt + clay (<0.063 mm) fractions. For the 2020 samples only, the <0.002 mm (clay) fraction was also analyzed. Analyses over the 3 years (2020-2021-2022) include various combinations of different digestions or fusions to test and compare their efficacy for the various pathfinder elements for LCT pegmatites: aqua regia (partial) digestion, 2) Na peroxide fusion (total), 3) 4-acid (near total) digestion, 4) Li-meta/tetraborate fusion, 5) loss on ignition, and 6) portable X-ray fluorescence (XRF).
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