Relevant bibliographies by topics / Transient grating

Academic literature on the topic 'Transient grating'

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Published: 4 June 2021
Last updated: 11 March 2023

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Journal articles on the topic "Transient grating"

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Takata, Yoshiaki. "Conditions inducing reliable transient gratings of a LaCoO3 thin film using transient grating technique." Journal of Materials Research 19, no. 11 (November 1, 2004): 3149–51. http://dx.doi.org/10.1557/jmr.2004.0422.

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First, a grating decay rate and a thermal diffusion rate of the transient gratings are determined out of the energy-time trace observed by using a transient grating technique with 266-nm laser pulse inducing transient gratings in a LaCoO3 thin film. Second, the grating models aimed at studying two different thermal diffusion phenomena in contrast with the previous paper are described. The difference between both phenomena is attributable to the volume of photon scattering to characterize induced transient gratings. It is concluded that a reliable energy-time trace is observed when the transient gratings with a thickness smaller than a film are induced on the very surface of a thin film sample.
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Haynes, J. D., G. Roth, M. Stadler, and H. J. Heinze. "Neuromagnetic Correlates of Perceived Contrast in Primary Visual Cortex." Journal of Neurophysiology 89, no. 5 (May 1, 2003): 2655–66. http://dx.doi.org/10.1152/jn.00820.2002.

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When a target grating is flashed into a larger, surrounding grating, its contrast is perceived to be lower when both gratings are oriented collinearly rather than orthogonally. This effect can be used to dissociate the perceived contrast from the physical contrast of a target grating. We recorded the transient electric potentials and magnetic fields evoked by flashed target gratings and compared them with psychophysical judgments of perceived contrast. Both early (100 ms) and late (150 ms) transients were reduced in amplitude when targets were flashed into a collinear rather than orthogonal surround, thus paralleling the reduction in perceived contrast. Although targets in orthogonal backgrounds required 40% lower physical contrast to match the perceived contrast of collinear targets, the amplitudes of electrophysiological transients of matching stimuli were almost identical. Thus the responses correlated better with perceived than with physical target contrast. This holds especially for the late transient response. Source localization indicated that the transients in question may originate in primary visual cortex. Our results therefore identify the activity of primary visual cortex as one possible neural correlate of perceived contrast.
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Huang, Shubin, Zeyu Peng, Shi Rui, Renfu Zhang, Rui-Tao Wen, Xing Cheng, and Liang Guo. "Design and fabrication of diffraction grating with optimized efficiency for transient grating spectroscopy." Review of Scientific Instruments 93, no. 12 (December 1, 2022): 125112. http://dx.doi.org/10.1063/5.0116176.

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Transient grating spectroscopy (TGS) based on diffraction gratings is a powerful optical method for studying the transport of energy carriers such as phonons and electrons. The diffraction grating in a TGS system is a key component to form a large-area interference pattern, i.e., transient grating, and to study the mean free path distribution of energy carriers. In this work, a design method for polarization-insensitive diffraction gratings with periods in the range 2–50 µm for TGS by a combination of rigorous coupled wave analysis and genetic algorithm was discussed. The method was tested for pump/probe wavelength of 515/532 or 1030/808 nm. Each ±1st diffraction order carries 35%–40% of the incident energy and the diffraction efficiencies of the other orders are lower than 10%. The optimized diffraction gratings were fabricated by a combination of photolithography and inductively coupled plasma etching, with the processing parameters introduced in detail, and their optical characteristics were evaluated. Finally, as a demonstration, the diffraction gratings for 1030/808 nm were applied to TGS to study the thermal transport properties of Ge. This work provides a useful guide for future applications and the development of TGS.
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Ishihara, M. "Effect of Luminance Contrast on the Motion Aftereffect." Perception 26, no. 1_suppl (August 1997): 191. http://dx.doi.org/10.1068/v970311.

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The effects of luminance contrast and spatial frequency in the transient channel were investigated by making use of the motion aftereffect (MAE) caused by adaptation to a drifting sinusoidal grating. Two experiments were performed. The PSE of the velocity was measured as an index of the MAE. The adapting grating was made to drift at a velocity of 2.28 deg s−1 and its spatial frequency was 0.8, 1.6, or 3.2 cycles deg−1. In the first experiment, the MAE caused by a luminance contrast grating or an equiluminous chromatic grating was measured. In the second experiment, luminance contrast gratings were used to measure the effect of the contrast differences between adapting and test gratings. The largest MAE was observed when a low-luminance-contrast grating or an equiluminous chromatic grating was presented as test stimulus after adaptation to a high-luminance-contrast grating in the low-spatial-frequency condition. Generally, the MAE increased with increasing adapting contrast and with decreasing test contrast or spatial frequency. Little MAE was observed at high test contrasts. The results may be explained by assuming that activity in the sustained channel (or parvocellular pathway) inhibits activity in the transient channel (or magnocellular pathway) owing to the domination of sustained channel activity when the test is a static high-luminance-contrast grating providing much information about position and form.
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Sahu, Kalyanasis, and Mark A. Berg. "Thermal gratings and phase in high-order, transient-grating spectroscopy." Journal of Chemical Physics 134, no. 14 (April 14, 2011): 144502. http://dx.doi.org/10.1063/1.3572332.

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Dong, Guan-Ting, Chun-Ta Wang, and Yu-Ju Hung. "Spatially Broadband Coupled-Surface Plasmon Wave Assisted Transmission Effect in Azo-Dye-Doped Liquid Crystal Cell." Nanomaterials 10, no. 7 (July 11, 2020): 1357. http://dx.doi.org/10.3390/nano10071357.

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Active tuning on a plasmonic structure is discussed in this report. We examined the transient transmission effects of an azo-dye-doped liquid crystal cell on a metallic surface grating. The transition between isotropic and nematic phases in liquid crystal generated micro-domains was shown to induce the dynamic scattering of light from a He-Ne laser, thereby allowing transmission through a non-transparent aluminum film overlaying a dielectric grating. Various grating pitches were tested in terms of transmission effects. The patterned gratings include stripe ones and circular forms. Our results indicate that surface plasmon polariton waves are involved in the transmission process. We also demonstrated how momentum diagrams of gratings and Surface Plasmon Polariton (SPP) modes combined with Mie scattering effects could explain the broadband coupling phenomenon. This noteworthy transition process could be applied to the development of spatially broadband surface plasmon polariton coupling devices.
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DeMarco, Paul J., Jonathan D. Nussdorf, Douglas A. Brockman, and Maureen K. Powers. "APB Selectively Reduces Visual Responses in Goldfish to High Spatiotemporal Frequencies." Visual Neuroscience 2, no. 1 (January 1989): 15–18. http://dx.doi.org/10.1017/s0952523800004272.

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AbstractVisual responses of goldfish to rotating square-wave gratings were recorded before and after intraocular injection of 2-amino-4-phosphonobutyric acid (APB). High doses of APB reduced the rate of optokinetic nystagmus (OKN) to a relatively high spatial frequency grating moving at a high temporal frequency. Responses to a low spatial frequency grating were not altered, nor were responses to the higher spatial frequency when it rotated slowly. The effects of APB were transient and lasted no longer than 3 d. We conclude that APB reduces OKN to high spatiotemporal frequencies in goldfish.
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Guo, Xiao-Zheng, Chang Liu, Yi Zhou, and Duan-Bin Luo. "All-optical logical gates based on photoinduced molecules reorientation in amorphous polymer films." Journal of Nonlinear Optical Physics & Materials 25, no. 01 (March 2016): 1650004. http://dx.doi.org/10.1142/s0218863516500041.

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A type of all-optical logical gate based on two kinds of refractive index grating in azo-dye doped polymer film is studied in this paper. Using interference recording method with two 532[Formula: see text]nm laser beams, the transient refractive gratings can be formed in poly(methyl methacrylate) (PMMA) films containing azo-dye Disperse Red 13 (DR13). The characteristics of the transient gratings in films which are recorded by two 532[Formula: see text]nm laser beams with different polarization states are investigated by monitoring the first-order diffraction intensity of the readout He–Ne laser beam (632.8[Formula: see text]nm). It is found that the transient gratings in the polymeric films can be established and decayed in several seconds. Furthermore, we realize XOR and XNOR all-optical logical operation based on the relationship among the polarization states of the recording beams, the reading beam, and the diffraction beam.
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Wang, F., and R. Schwarz. "Electrically detected transient photocarrier grating method." Applied Physics Letters 65, no. 7 (August 15, 1994): 884–86. http://dx.doi.org/10.1063/1.112189.

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Bisht, Prem B. "Relaxation processes using transient grating technique." Research on Chemical Intermediates 27, no. 4-5 (July 2001): 539–47. http://dx.doi.org/10.1163/156856701104202192.

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Dissertations / Theses on the topic "Transient grating"

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Khan, Shahbaz Javaid. "Studies on conformational changes of transient intermediate species of PYP photoreaction by transient grating and transient lens methods." 京都大学 (Kyoto University), 2006. http://hdl.handle.net/2433/144212.

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Ferry, Sara Elizabeth. "Breaking the bottleneck in radiation materials science with transient grating spectroscopy." Thesis, Massachusetts Institute of Technology, 2018. http://hdl.handle.net/1721.1/119031.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Nuclear Science and Engineering, 2018.
This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Cataloged from student-submitted PDF version of thesis. "June 2018."
Includes bibliographical references (pages 286-303).
Nuclear power applications are characterized by harsh mechanical, chemical, thermal, and irradiation environments that present a challenge for the materials engineer. Nuclear materials research and development is a subject of managing constraints: a component must be proven to retain its integrity in the reactor environment for the entirety its operating lifetime, and the material must not impede the delicate neutronics balance that makes a reactor work. It is not surprising, then, that materials often represent the major engineering hurdle in moving a new reactor concept closer to reality, especially since many advanced reactor concepts utilize higher temperature regimes, larger radiation fluxes, and more corrosive coolants. However, if nuclear materials research is the bridge between academic concept and commercial reality, it is frequently a long and expensive bridge to cross. In order to validate a new material for use in a specific reactor environment, one must test the material in representative conditions, or test the material in a sucient number of conditions that the material's response to an arbitrary reactor environment can be accurately predicted. Transient grating spectroscopy (TGS), long used in the materials science field to characterize the properties of thin films, is adapted for use as a method of characterizing radiation-damaged samples. TGS has the ability to simultaneously measure elastic, thermal, and acoustic material properties. It is also non-contact and non-destructive, and relatively inexpensive to build and adapt for dierent uses. This means it is an ideal candidate for moving the field of nuclear materials closer to the goal of having the ability to fully characterize the radiation-induced property changes in samples in situ and in real-time while they are irradiated. This thesis demonstrates, via a TGS setup built in the MIT Mesoscale Nuclear Materials laboratory, that TGS will be a valid method for quantifying radiation damage by using it to characterize (1) cold-worked irradiated samples, (2) samples with high concentrations of constitutional vacancies, and (3) samples irradiated for 14 years in the EBR-II reactor. In (1), it is shown that TGS is a viable method for measuring thermal diffusivity changes due to radiation damage at low doses in cold-worked single crystal niobium. In particular, an initial decrease in thermal diffusivity at very low doses is measured, which is attributed to electron scattering by point defects, followed by an increase and saturation of thermal diffusivity as dose increases, which is attributed to less ecient electron scattering as point defects cluster into mesoscale defects. In (2), the impact of vacancies on the TGS signal is considered by using a material with a high concentration of constitutional vacancies that are stable at room temperature. Molecular dynamics simulations showed that increasing vacancies led to a softening material, but the opposite eect was observed in experiments. This study underlines the importance of having better methods of measuring radiation damage in situ, in real time, because ex situ experiments are not capable of capturing defect populations that are produced during irradiation but which anneal out when the irradiation source is removed. In (3), we observe a similar increase in thermal diffusivity with irradiation as was observed in (1), but in this case, the eect is due to radiation-induced segregation removing minor alloying elements. Study (3) also demonstrates the utility of using TGS on real nuclear materials, as the TGS results are consistent with the extensive characterization carried out on these samples by previous researchers. These three studies illustrate the utility of TGS for characterizing radiation damage in nuclear materials in a cost-eective, time-ecient manner.
by Sara Elizabeth Ferry.
Ph. D.
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Ma, Yunwei. "A Thermal Switch from Thermoresponsive Polymer Aqueous Solutions." Thesis, Virginia Tech, 2018. http://hdl.handle.net/10919/86837.

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Thermal switch is very important in today’s world and it has varies of applications including heat dissipation and engine efficiency improving. The commercial thermal switch based on mechanical design is very slow and the structure is too complicated to make them smaller. To enable fast thermal switch as well as to make thermal switch more compact, I try to use second-order phase transition material to enable our thermal switch. Noticing the transition properties of thermoresponsive polymer for drug delivery, its potential in thermal switch can be expected. I used Poly(N-isopropylacrylamide) (PNIPAM) as an example to show the abrupt thermal conductivity change of thermoresponsive polymer solutions below and above their phase transition temperature. A novel technique, transition grating method, is used to measure the thermal conductivity. The ratio of thermal switch up to 1.15 in transparent PNIPAM solutions after the transition is observed. This work will demonstrate the new design of using second-order phase transition material to enable fast and efficient thermal switch.
Master of Science
Controllable thermal conductivity (thermal switching) is very important to thermal management area and useful in a wide area of applications. Nowadays, mechanical thermal conductivity controller device suffers from large scale and slow transition speeds. To solve these problems, I tired the phase transition thermoresponsive polymers to create quick thermal switching because the thermal conductivity will change with the phase. Thermoresponsive polymers show sharp phase changes upon small changes in temperature. Such polymers are already widely used in biomedical-like applications, the thermal switch applications are not well-studied. In this work, I tested Poly(N-isopropylacrylamide) (the abbreviation is PNIPAM) as an example to show the quick thermal conductivity changing ability of thermoresponsive polymer when the transition was happened .I used a novel approach, called the TTG, transient thermal grating. It has easy setup and high sensitivity. The thermal conductivity switching ratio as high as 1.15 in transparent PNIPAM solutions after transition is observed. This work will give new opportunities to control thermal switches using the phase change of thermoresponsive material or abrupt other phase change material in general.
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Eliason, Jeffrey Kristian. "Optical transient grating measurements of micro/nanoscale thermal transport and mechanical properties." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/98819.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Chemistry, 2015.
Cataloged from PDF version of thesis.
Includes bibliographical references (pages 109-119).
The laser-based transient grating technique was used to study phonon mediated thermal transport in bulk and nanostructured semiconductors and surface wave propagation in a monolayer of micron sized spheres. In the transient grating technique two picosecond pulses are crossed to generate a spatially periodic intensity profile. The spatially periodic profile generates a material excitation with a well-defined wave vector. The time dependence of the spatially periodic material response is measured by monitoring the diffracted signal of an incident probe beam. Non-diffusive thermal transport was observed in thin Si membranes as well as bulk GaAs at relatively short (micron) transient grating periods. First-principles calculations of the phonon mean free paths in Si and GaAs were compared with experimental results and showed good agreement. Preliminary measurements on promising thermoelectric materials such as PbTe and Bi2Te3 are presented showing evidence of non-diffusive transport at short length scales. The transient grating technique was used to measure the thermal conductivity of Si membranes with thickness ranging from 15 nm to 1518 nm. Using the Fuchs-Sondheimer suppression function along with first-principles results, the thermal conductivity as a function of membrane thickness was calculated. The calculations showed excellent agreement with experimental measurements. A convex optimization algorithm was employed to reconstruct the phonon mean free path distribution from experimental measurements. This marks the first experimental determination of the mean free path distribution for a bulk material. Thermal conductivity measurements at low temperatures in a 200 nm Si membrane indicate the breakdown of the diffuse boundary scattering approximation. The transient grating technique was used to generate surface acoustic waves and measure their dispersion in a monolayer of 0.5 - 1 [mu]m diameter silica spheres. The measured dispersion curves show "avoided crossing" behavior due to the interaction between an axial contact resonance of the microspheres and the surface acoustic wave at a frequency of -200MHz for the 1 [mu]m spheres and -700 MHz for the 0.5 [m spheres. The experimental measurements were fit with an analytical model in which the contact stiffness was the only fitting parameter. Preliminary results of surface acoustic wave propagation in microsphere waveguides, transmission through a microsphere strip, and evidence of a nonlinear response in a 2D array of microspheres are presented.
by Jeffrey Kristian Eliason.
Ph. D.
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Choi, Jungkwon. "Studies on Photoreaction of Caged Compounds by Using the Transient Grating Method." 京都大学 (Kyoto University), 2003. http://hdl.handle.net/2433/149109.

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Huang, Yishi. "New measurement system for studying thermal diffusivity using the transient surface grating technique." Thesis, London South Bank University, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.298026.

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Fujiwara, Hiroki. "Solvent-side observation on vibrational energy transfer by transient grating spectroscopy: Azulene derivatives." 京都大学 (Kyoto University), 2008. http://hdl.handle.net/2433/124369.

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Malinauskas, Tadas. "Investigation of carrier dynamics in wide bandgap semiconductors by light-induced transient grating technique." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2009. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2009~D_20091215_091652-19632.

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III-nitrides, diamonds are extremely promising wide band gap semiconductor materials for optoelectronics and high temperature, high power electronics. Therefore, there is huge scientific interest in investigation electrical and optical properties of these materials. The light induced transient grating technique (LITG) is very suitable for exploration of carrier dynamics which governed by fundamental and defect related properties of materials. The main goals of the thesis were gain a new knowledge on carrier dynamics in wide bandgap semiconductors (namely GaN, InGaN, and diamonds) by using and developing light induced transient grating technique. The experimental studies on numerous samples, grown at different conditions, combined with extensive measurements in a wide range of carrier densities (1016-1020 cm-3) and temperature (9-300K) was targeted to identify the interplay of radiative an nonradiative recombination mechanisms, to determine carrier lifetime dependence on the excess carrier density, to explain the carrier diffusion coefficient dependence on excitation intensity, to find the optimal materials growth conditions. A novel heterodyne detection scheme for LITG technique was presented. The heterodyning was achieved by coherently mixing the picosecond pulses of diffracted and scattered light. A phase difference between theses fields was controlled by moving holographic beam splitter (HBS) along its grating vector. LITG signal decay kinetics, recorded at two HBS... [to full text]
III grupės nitridai bei deimantai tai platų draustinės energijos tarpą turintys puslaidininkiai, pasižymintys unikaliomis medžiagos savybėmis ir turintys didelį potencialą aukštų temperatūrų, didelių galių, opto/elektroniniams taikymams. Todėl šių medžiagų elektrinės bei optinės savybės pastaruoju metu yra intensyviai tiriamos. Šviesa indukuotų dinaminių gardelių (ŠIDG) metodas labai tinka tyrinėti krūvininkų dinamiką, kuri yra nulemta fundamentinių bei defektinių medžiagos savybių. Pagrindiniai darbo tikslai buvo gauti naujų žinių apie krūvininkų dinamiką plačiatarpiuose puslaidininkiuose (GaN, InGaN bei deimantuose) naudojat bei plėtojant šviesa indukuotų gardelių metodiką. Ištirti didelio nepusiausvirųjų krūvininkų tankio rekombinacijos ir difuzijos ypatumus skirtingo defektiškumo GaN, InGaN sluoksniuose bei sintetiniuose deimantuose. Skaitmeniškai modeliuojant krūvininkų dinamiką nustatyti dominuojančius krūvininkų rekombinacijos mechanizmus bei krūvininkų gyvavimo trukmes, difuzijos koeficientus ir nuotolius. Darbe pristatoma nauja ŠIDG eksperimento schema su holografiniu pluoštelio dalikliu, leidžianti supaprastinti eksperimentą. Ši schema taip pat įgalino heterodininį difrakcijos signalo detektavimą. Parodoma, kad fazės skirtumas tarp signalo ir foninės šviesos gali būti kontroliuojamas keičiant holografinio daliklio padėtį išilgai jo gardelės vektoriaus krypties. Ištyrus didelį kiekį GaN sluoksnių, užaugintų skirtingomis technologijomis bei pasižyminčiu skirtingu... [toliau žr. visą tekstą]
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Norwood, David P. "Short-Period Transient Grating Measurement of Perpendicular Transport in GaAs/AlGaAs Multiple Quantum Wells." Thesis, University of North Texas, 1994. https://digital.library.unt.edu/ark:/67531/metadc277907/.

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Lee, Dongjoo. "Ultra-broadband phase-matching ultrashort-laser-pulse measurement techniques." Diss., Available online, Georgia Institute of Technology, 2007, 2007. http://etd.gatech.edu/theses/available/etd-07032007-113912/.

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Thesis (Ph. D.)--Physics, Georgia Institute of Technology, 2008.
First, Phillip, Committee Member ; Adibi, Ali, Committee Member ; Raman, Chandra, Committee Member ; Buck, John, Committee Member ; Trebino, Rick, Committee Chair.
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Books on the topic "Transient grating"

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Kerachian, Yaser. Coherent control of charge currents, spin currents and carrier density in bulk GaAs using non-degenerate transient grating techniques. 2007.

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Nagy, Andrea Marika. Developing the tools for molecular interferometry: Ultrafast pulse shaping and characterization using an acousto-optic programmable dispersive filter and transient grating frequency resolved optical gating. 2002, 2002.

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Book chapters on the topic "Transient grating"

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Deeg, F. W. "Transient Grating Spectroscopy." In Dynamics During Spectroscopic Transitions, 456–505. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-79407-0_12.

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Knoester, J. "Polariton Effects in Transient Grating Experiments." In Springer Series in Chemical Physics, 136–38. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-84269-6_42.

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Terazima, Masahide. "Transient Grating Spectroscopy: Dynamics of Photoreceptors." In Encyclopedia of Biophysics, 2634–38. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-16712-6_798.

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Leo, K., E. O. Göbel, T. C. Damen, J. Shah, S. Schmitt-Rink, W. Schäfer, J. F. Müller, K. Köhler, and P. Ganser. "Femtosecond Transient-Grating Experiments in Quantum Wells." In Springer Series in Chemical Physics, 250–52. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-84269-6_75.

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Noll, G., E. Göbel, and U. Siegner. "Subpicosecond Transient Grating Experiments in Amorphous Semiconductors." In Ultrafast Phenomena VI, 240–42. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-83644-2_67.

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Bartolini, Paolo, Andrea Taschin, Roberto Eramo, and Renato Torre. "Transient Grating Experiments in Glass-Former Liquids." In Time-Resolved Spectroscopy in Complex Liquids, 129–84. Boston, MA: Springer US, 2008. http://dx.doi.org/10.1007/978-0-387-25558-3_3.

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Fainberg, B. D., S. Y. Goldberg, and D. Huppert. "Resonance Transient-Population-Grating Spectroscopy of Ultrafast-Solvation Dynamics." In Springer Series in Chemical Physics, 507–9. Berlin, Heidelberg: Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-642-85176-6_195.

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Göbel, E. O., and H. Saito. "Detection of Higher Order Fourier Components of Index Gratings in Picosecond Transient Grating Experiments." In Springer Series in Chemical Physics, 254–56. Berlin, Heidelberg: Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-642-82918-5_69.

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Comstock, Matthew, Igor Pastirk, and Marcos Dantus. "Ultrafast transient-grating study of molecules after high intensity excitation." In Ultrafast Phenomena XII, 317–19. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56546-5_93.

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Lee, Dongjoo, Selcuk Akturk, Pablo Gabolde, and Rick Trebino. "Ultrasimple extremely broadband transient-grating frequency-resolved-optical-gating device." In Ultrafast Phenomena XV, 214–16. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-68781-8_69.

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Conference papers on the topic "Transient grating"

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Loukianov, Anton, Jie Pan, Daniel E. Wilcox, and Jennifer P. Ogilvie. "Transient-grating Stark Spectroscopy." In International Conference on Ultrafast Phenomena. Washington, D.C.: OSA, 2014. http://dx.doi.org/10.1364/up.2014.09.wed.p3.48.

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Ducharme, Stephen. "Pyro-electro-optic transient phase gratings." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1991. http://dx.doi.org/10.1364/oam.1991.mj1.

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There are many mechanisms for generating transient optical phase gratings. Though particular advantage can be taken of semipermanent mechanisms such as photorefractive and photochromic effects, there are also uses for purely transient mechanisms such as those based on the third-order nonlinear susceptibility (c(3) or n2), population changes, or thermal (dn/dT) mechanisms. Transient grating mechanisms have the virtue of allowing real-time interaction of interfering waves as in phase conjugation, image amplification and manipulation, optical switching and modulation, nonlinear resonators, or neural networks. A new mechanism of transient optical phase grating formation, called the pyro-electro-optic effect, is proposed which combines the pyroelectric and electro-optic effects to convert spatial intensity variations into transient phase gratings. The pyro-electro-optic mechanism has a figure-of-merit that is proportional to the pyroelectric, electro-optic and absorption coefficients and inversely proportional to the specific heat. The grating response time is proportional to the specific heat and inversely proportional to the thermal conductivity. Diffraction efficiencies approaching unity are predicted in several readily available inorganic and organic electro-optic materials with modest pulse energies from Q-switched Nd:YAG lasers. Pyro-electro-optic gratings are also compared with third-order thermal (dn/dT), and photorefractive mechanisms.
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Kippelen, Bernard, Roland Levy, Bernd Honerlage, and Jean B. Grun. "Transient Grating Spectroscopy In CuCl." In 1989 Intl Congress on Optical Science and Engineering, edited by Jean-Bernard Grun. SPIE, 1989. http://dx.doi.org/10.1117/12.961397.

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Lindle, J. R., F. J. Bartoli, J. R. Meyer, and C. A. Hoffman. "Transient optical grating in HgCdTe." In AIP Conference Proceedings Volume 146. AIP, 1986. http://dx.doi.org/10.1063/1.35759.

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Bencivenga, F., R. Cucini, F. Capotondi, A. Battistoni, R. Mincigrucci, E. Giangrisostomi, A. Gessini, et al. "FEL-based transient grating spectroscopy." In SPIE Optics + Optoelectronics, edited by Sandra G. Biedron. SPIE, 2015. http://dx.doi.org/10.1117/12.2186121.

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Farrell, J. P., L. S. Spector, B. K. McFarland, P. H. Bucksbaum, and M. Gühr. "High Harmonic Transient Grating Spectroscopy." In Conference on Lasers and Electro-Optics. Washington, D.C.: OSA, 2010. http://dx.doi.org/10.1364/cleo.2010.cthq5.

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Baynard, Elsa, Stephane Faure, and Valerie Blanchet. "Achromatic transient-grating for FROG characterization." In 12th European Quantum Electronics Conference CLEO EUROPE/EQEC. IEEE, 2011. http://dx.doi.org/10.1109/cleoe.2011.5942769.

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Dey, Pritha, C. Vijayan, and Sivarama Krishnan. "Femtosecond transient grating studies in CS2." In 2019 Workshop on Recent Advances in Photonics (WRAP). IEEE, 2019. http://dx.doi.org/10.1109/wrap47485.2019.9013845.

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Peters, William, Travis Jones, Sanghoon Song, Matthieu Chollet, Joseph Robinson, Laura Foglia, Filippo Bencivenga, Ryan Coffee, and Pamela Bowlan. "Hard X-ray–Optical Transient Grating." In CLEO: QELS_Fundamental Science. Washington, D.C.: OSA, 2021. http://dx.doi.org/10.1364/cleo_qels.2021.ftu1k.6.

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Liu, Huimin, Felix E. Fernandez, Weiyi Jia, and Lynn A. Boatner. "Transient grating in KNbO3/KTaO3 superlattice." In SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, edited by Raju V. Datla and Leonard M. Hanssen. SPIE, 1998. http://dx.doi.org/10.1117/12.326664.

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Reports on the topic "Transient grating"

1

Liu, H., F. Fernandez, W. Jia, and L. A. Boatner. Transient grating in a KNbO{sub 3}/KTaO{sub 3} superlattice. Office of Scientific and Technical Information (OSTI), June 1998. http://dx.doi.org/10.2172/658429.

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Weber, Christopher Phillip. Optical Transient-Grating Measurements of Spin Diffusion andRelaxation in a Two-Dimensional Electron Gas. Office of Scientific and Technical Information (OSTI), January 2005. http://dx.doi.org/10.2172/877338.

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Knoester, Jasper, and Shaul Mukamel. Transient Gratings, Four-Wave Mixing and Polariton Effects in Nonlinear Optics. Fort Belvoir, VA: Defense Technical Information Center, June 1991. http://dx.doi.org/10.21236/ada251947.

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You might also be interested in the extended bibliographies on the topic 'Transient grating' for particular source types:
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