Готові списки джерел за темами / Photoconducting

Добірка наукової літератури з теми "Photoconducting"

Автор: Grafiati
Опубліковано: 6 вересня 2023

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Статті в журналах з теми "Photoconducting"

1

Phuong, Nguyen Mai, Nak-Jin Seong, Jun-Ku Ahn, Eui-Tae Kim, Ji-Hong Lee, Geun Hong Kim, and Soon-Gil Yoon. "Characterization of Photoconductive Amorphous Si:H Films for Photoconducting Sensor Applications." Electrochemical and Solid-State Letters 10, no. 9 (2007): H284. http://dx.doi.org/10.1149/1.2754243.

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2

Porada, Zbigniew, and Elzbieta Schabowska-Osiowska. "Optoelectronic Logical Gates “AND”, “OR” and “NOT”." Active and Passive Electronic Components 27, no. 2 (2004): 95–105. http://dx.doi.org/10.1080/0882751031000116197.

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Optoelectronic AND, OR and NOT logical gates were composed of thin film photoconducting and electroluminescent elements, made of cadmium sulphide and zinc sulphide, respectively, doped with copper, chlorine and manganese. The gates consisted of several photoconducting elements and one electroluminescent element suitably connected and supplied with a sinusoidal voltage. In such circuits the functions of product, sum and negation for input light signals illuminating the photoconducting elements were realized, and the output signal was the light emitted by the electroluminescent element.
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3

Galmiche, Laurent, François Guyon, Annig Pondaven, Jean-Yves Moisan, and Maurice L'Her. "Photogeneration of charges in poly(N-vinylcarbazole) doped with lutetium bisphthalocyanines and lutetium bisnaphthalocyanines." Journal of Porphyrins and Phthalocyanines 07, no. 05 (May 2003): 382–87. http://dx.doi.org/10.1142/s1088424603000495.

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Lutetium bisphthalocyanines and bisnaphthalocyanines, sandwich complexes having interesting electronic properties were studied as electron-acceptors associated with the donor polyvinylcarbazole ( PVCz ) in single-layer photoconductors. It is known, from their redox properties, that these lanthanide complexes are potential electron-acceptors as well as electron-donors; moreover, they strongly absorb light from the near-UV to the near-IR. The xerographic spectra recorded between 400 and 900 nm show that the polymeric phases doped with the lutetium bisphthalocyanines are photoconductive. These new photoconducting phases are active in the near IR domain which is promising with regard to their potential applications.
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4

Bushby, Richard J., and Owen R. Lozman. "Photoconducting liquid crystals." Current Opinion in Solid State and Materials Science 6, no. 6 (December 2002): 569–78. http://dx.doi.org/10.1016/s1359-0286(03)00007-x.

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5

Reucroft, P. J., H. Scott, and F. L. Serafin. "Photoconducting pyrrone polymers." Journal of Polymer Science Part C: Polymer Symposia 30, no. 1 (March 7, 2007): 261–69. http://dx.doi.org/10.1002/polc.5070300129.

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Verkhovskaya, K. A., V. M. Fridkin, A. V. Bune, and J. F. Legrand. "EoC21a. Photoconducting ferroelectric polymers." Ferroelectrics 134, no. 1 (September 1992): 7–15. http://dx.doi.org/10.1080/00150199208015557.

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7

Hu, B. B., J. T. Darrow, X. ‐C Zhang, D. H. Auston, and P. R. Smith. "Optically steerable photoconducting antennas." Applied Physics Letters 56, no. 10 (March 5, 1990): 886–88. http://dx.doi.org/10.1063/1.102618.

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Smith, P. R., D. H. Auston, and M. C. Nuss. "Subpicosecond photoconducting dipole antennas." IEEE Journal of Quantum Electronics 24, no. 2 (February 1988): 255–60. http://dx.doi.org/10.1109/3.121.

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9

Joshi, N. V., J. C. Sanchez, and J. M. Martin. "Photoconducting properties of InP:Fe." Journal of Physics and Chemistry of Solids 50, no. 6 (January 1989): 629–32. http://dx.doi.org/10.1016/0022-3697(89)90458-7.

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10

Adinehnia, Morteza, Bryan Borders, Michael Ruf, Bhaskar Chilukuri, Ursula Mazur, and K. W. Hipps. "Structure-Function Correlation of Photoactive Ionic pi-Conjugated Binary Porphyrin Assemblies." MRS Advances 2, no. 42 (2017): 2267–73. http://dx.doi.org/10.1557/adv.2017.133.

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ABSTRACTWe present the first detailed structure-function study of a photoconducting ionic porphyrin supermolecular assembly, fabricated from tetra(N-methyl-4-pyridyl)porphyrin (TMPyP) and tetra(4-sulfonatophenyl)porphyrin (TSPP) in a 1:1 stoichiometric ratio. Rod like crystals large enough for single crystal diffraction studies were grown by utilizing a nucleation and growth model described in our previous work. The unit cell of the TMPyP:TSPP crystals is monoclinic P21/c and the cell constants are a = 8.3049(11) Å, b = 16.413(2) Å, c = 29.185(3) Å, β = 92.477(9)°. These crystals have smooth well defined facets and their internal structure consists of highly organized molecular columns of alternating porphyrin cations and anions that are stacked face to face. For the first time crystal morphology (habit) of an ionic porphyrin solid is predicted by using the crystal structure data and applying attachment energy (AE) model. The predicted habit is in good agreement with the experimental structural morphology observed in AFM and SEM images of the TMPyP:TSPP crystalline solid. The TMPyP:TSPP crystals are non-conducting in the dark and are photoconducting. The photoconductive response is significantly faster with excitation in the Q-band (Red) than with excitation in the Soret band (blue). DFT calculations were performed to determine their electronic band structure and density of states. The TMPyP:TSPP crystalline system is a useful model structure that combine the elements of molecular organization and morphology along with theory and correlate them with electronic and optical electronic properties.
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Дисертації з теми "Photoconducting"

1

Ferguson, John B. "Transport studies of conducting, semiconducting and photoconducting star polymers." The Ohio State University, 2002. http://rave.ohiolink.edu/etdc/view?acc_num=osu1343144440.

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2

林思敏 and Sze-man Lillian Lam. "Synthesis and photoconducting properties of molecular and polymeric rhenium diimine complexes." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2002. http://hub.hku.hk/bib/B31243241.

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Lam, Sze-man Lillian. "Synthesis and photoconducting properties of molecular and polymeric rhenium diimine complexes /." Hong Kong : University of Hong Kong, 2002. http://sunzi.lib.hku.hk/hkuto/record.jsp?B2521195x.

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4

Kasai, S., T. Katagiri, J. Takayanagi, K. Kawase, and T. Ouchi. "Reduction of phonon resonant terahertz wave absorption in photoconductive switches using epitaxial layer transfer." American Institite of Physics, 2009. http://hdl.handle.net/2237/12632.

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Mokrinskaya, E. V., L. S. Tonkopieva, S. L. Studzinsky, N. A. Davidenko, I. I. Davidenko, A. A. Ishchenko, and G. P. Grabchuk. "Internal Photoeffect in Films of Poly-N-Epoxypropylcarbazole with High Concentration of Anion Polymethine Dye." Thesis, Sumy State University, 2012. http://essuir.sumdu.edu.ua/handle/123456789/35274.

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Growth of concentration of the anion polymethine dye in the films of poly-N-epoxypropylcarbazole involves increase of quenching of photoluminescence in external electric field as well as appearance of longwave band of the photoluminescence and photoconductivity within visible spectral range. It was ascertained that associates of ionic pairs of the dye arise when the concentration increases. Anomalous for semiconductor materials kinetics of the photocurrent growth and relaxation was observed in the films of these composites: time of the photocurrent growth is much less than the time of its relaxation after the light is switched off. Effect of memory of preliminary illumination with light was observed in the films. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/35274
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6

Petty, David Matthew. "Transient photoconduction in phthalocyanines." Thesis, University of Nottingham, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.277939.

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7

Kim, Joong Hyun. "Efficient terahertz photoconductive source." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/26608.

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Thesis (Ph.D)--Electrical and Computer Engineering, Georgia Institute of Technology, 2009.
Committee Chair: Ralph, Stephen; Committee Member: Citrin, David; Committee Member: Cressler, John; Committee Member: Denison, Douglas; Committee Member: Mukhopadhyay,Saibal. Part of the SMARTech Electronic Thesis and Dissertation Collection.
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8

Halls, Jonathan James Michael. "Photoconductive properties of conjugated polymers." Thesis, University of Cambridge, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.368812.

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9

Li, Di. "Investigation of Terahertz photoconductive antennas." Thesis, University of Liverpool, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.526799.

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Terahertz (THz) frequency range usually refers to the electromagnetic spectrum between 100 GHz and 10 THz, which is between the millimetre and infrared regions. THz research has received a lot of attention because of its wide potential applications for such as high-speed wireless communications, medical imaging, remote sensing and security scanning. Photoconductive antenna is the most popular device used to generate and detect THz waves. However, there are still many challenges in this area, for example, how to improve its radiation efficiency and how to increase its directivity to the desired direction. In this dissertation, firstly four methods are proposed to improve the generation efficiency of photoconductive antennas. The first method is to adjust the gap of the photoconductive antenna to an optimum value which is dependent on the input laser power and the material properties of the substrate. The second method is to focus the laser beam on a very small area rather than the whole gap and the generated power can be increased by more than 5 times. The third method is to increase the bias voltage, which can strengthen the photo-induced current. The final method discussed is to use the indentation configuration instead of the conventional dipole shape to enhance the electric field in the gap which can result in about two times stronger power radiation. Secondly a THz hom structure is introduced to improve the directivity and the radiation efficiency of the photoconductive antenna. The conventional photoconductive antenna cannot provide high directivity, but this horn antenna can if it is designed and constructed properly. It consists of two main parts: a photoconductive emitter and a THz conical horn. A computer aided design approach has been adopted, and the simulation results show that the THz conical horn antenna with the proposed feeding structure can radiate more THz power in desired directions than conventional antenna. The directivity of this structure is proved to be 10 dB greater than the conventional photoconductive antennas. It should be pointed out that the THz horn antennas are not the same as the conventional microwave horn antennas. The major difference is on the feeding structure. In addition, the effects of the substrate on THz photoconductive antennas are also investigated theoretically and numerically, some very interesting results are obtained.
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10

Berkin, J. "Transient photoconduction in amphorous materials." Thesis, University of Abertay Dundee, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.328002.

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Книги з теми "Photoconducting"

1

M, Biswas, Mukherjee A, and Mylnikov V, eds. Photoconducting polymers/metal-containing polymers. Berlin: Springer-Verlag, 1994.

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2

Sengupta, Suranjana. Characterization of Terahertz Emission from High Resistivity Fe-doped Bulk Ga0.69In0.31As Based Photoconducting Antennas. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-8198-1.

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service), SpringerLink (Online, ed. Characterization of Terahertz Emission from High Resistivity Fe-doped Bulk Ga0.69In0.31As Based Photoconducting Antennas. New York, NY: Springer Science+Business Media, LLC, 2011.

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4

Anderson, Nicolas Charles. Photoconductive switch research for British Aerospace: Executive summary. [s.l.]: typescript, 1998.

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5

Junichi, Yamazaki, ed. New apparatus for measuring photoconductive characteristics linked to vacuum evaporation equipment. Tokyo, Japan: NHK Science and Technical Research Laboratories, 1986.

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6

Johnston, Steven Wade. Quality characterization of silicon bricks using photoluminescence imaging and photoconductive decay: Preprint. Golden, CO]: National Renewable Energy Laboratory, 2012.

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7

B, Bhasin K., Simons Rainee 1949-, Wojtczuk S, Society of Photo-optical Instrumentation Engineers., and Lewis Research Center, eds. Detection of radio-frequency modulated optical signals by two and three terminal microwave devices. Cleveland, Ohio: Leiws Research Center, 1987.

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8

B, Bhasin K., Simons Rainee 1949-, Wojtczuk S, Society of Photo-optical Instrumentation Engineers., and Lewis Research Center, eds. Detection of radio-frequency modulated optical signals by two and three terminal microwave devices. Cleveland, Ohio: Leiws Research Center, 1987.

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9

Photoconducting Polymers/Metal-Containing Polymers. Berlin/Heidelberg: Springer-Verlag, 1994. http://dx.doi.org/10.1007/bfb0026086.

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10

Mylnikov, V., A. Mukherjee, and M. Biswas. Photoconducting Polymers/Metal-Containing Polymers. Springer Berlin / Heidelberg, 2013.

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Частини книг з теми "Photoconducting"

1

Liu, David W., and Paul H. Carr. "Optically-Excited Photoconducting Antennas for Generating Ultra-Wideband Pulses." In Ultra-Wideband, Short-Pulse Electromagnetics 3, 9–16. Boston, MA: Springer US, 1997. http://dx.doi.org/10.1007/978-1-4757-6896-1_2.

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2

Weling, A. S., D. H. Auston, and T. F. Heinz. "Tunable Photoconducting Emitters and Detectors of Free Space Terahertz Radiation." In Springer Series in Chemical Physics, 62–63. Berlin, Heidelberg: Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/978-3-642-80314-7_26.

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3

Park, Ji Hwan, Chae Ho Hwang, Dae Hee Son, Seong Soo Hong, Hong Chae Park, and Seong Soo Park. "Nanocrystalline Structure of Organic Photoconducting Materials Derived by Microwave Recrystallization Method." In Materials Science Forum, 198–201. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-995-4.198.

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4

Vankhade, Dhaval, and Tapas K. Chaudhuri. "Photothermoelectric and Photoconducting Properties of Layer-by-Layer Deposited Nanocrystalline PbS Films." In Springer Proceedings in Physics, 427–32. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-29096-6_55.

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5

Sengupta, Suranjana. "Introduction." In Characterization of Terahertz Emission from High Resistivity Fe-doped Bulk Ga0.69In0.31As Based Photoconducting Antennas, 1–7. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-8198-1_1.

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Sengupta, Suranjana. "Generation of Sub-Picosecond Terahertz Pulses." In Characterization of Terahertz Emission from High Resistivity Fe-doped Bulk Ga0.69In0.31As Based Photoconducting Antennas, 9–30. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-8198-1_2.

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Sengupta, Suranjana. "Ultrafast Spectroscopy." In Characterization of Terahertz Emission from High Resistivity Fe-doped Bulk Ga0.69In0.31As Based Photoconducting Antennas, 31–34. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-8198-1_3.

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Sengupta, Suranjana. "Experimental Techniques." In Characterization of Terahertz Emission from High Resistivity Fe-doped Bulk Ga0.69In0.31As Based Photoconducting Antennas, 35–44. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-8198-1_4.

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Sengupta, Suranjana. "Experimental Results." In Characterization of Terahertz Emission from High Resistivity Fe-doped Bulk Ga0.69In0.31As Based Photoconducting Antennas, 45–68. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-8198-1_5.

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Sengupta, Suranjana. "Conclusions and Future Outlook." In Characterization of Terahertz Emission from High Resistivity Fe-doped Bulk Ga0.69In0.31As Based Photoconducting Antennas, 69–71. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-8198-1_6.

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Тези доповідей конференцій з теми "Photoconducting"

1

Auston, D. H., M. C. Nuss, and P. R. Smith. "Photoconducting antennas." In International Laser Science Conference. Washington, D.C.: Optica Publishing Group, 1986. http://dx.doi.org/10.1364/ils.1986.tuk1.

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Photoconductors have proved to be extremely effective sources of very short electrical pulses.1 When illuminated by ultrafast optical pulses they have been used to generate electrical transients as fast as 0.5 ps. The frequency spectrum of these pulses extends from dc up to terahertz frequencies, making them potentially useful sources of microwave, millimeter-wave and far-infrared radiation.
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2

Auston, D. H., M. C. Nuss, and P. R. Smith. "Photoconducting antennas." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1986. http://dx.doi.org/10.1364/oam.1986.tuk1.

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Анотація:
Photoconductors have proved to be extremely effective sources of very short electrical pulses.1 When illuminated by ultrafast optical pulses they have been used to generate electrical transients as fast as 0.5 ps. The frequency spectrum of these pulses extends from dc up to terahertz frequencies, making them potentially useful sources of microwave, millimeter-wave and far-infrared radiation.
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3

Gupta, S., J. Pamulapati, J. Chwalek, P. K. Bhattacharya, and G. Mourou. "Sub-picosecond Photoconductivity in III-V compound semiconductors using Low Temperature MBE growth techniques." In International Conference on Ultrafast Phenomena. Washington, D.C.: Optica Publishing Group, 1990. http://dx.doi.org/10.1364/up.1990.thc9.

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Low temperature molecular beam epitaxial (LT-MBE) growth of III-V compound semiconductors offers a unique approach for obtaining sub-picosecond photoconductive response in these materials. We report the results on both InP based and GaAs based material systems. Picosecond electrical pulses have been generated mostly using amorphous or damaged photoconducting materials like GaAs, SOS, InP etc. Sub-picosecond response has been demonstrated in a few of these materials with fairly good responsivity1,2. Integration of these photoconductive switches with other high speed III-V compound semiconductor devices for high speed testing applications, is not easy. LT-MBE epitaxial layers included as buffer layers to enhance device performance3 also make direct integration of photoconductive switches very straightforward.
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4

Mylnikov, Vladimir. "Photoconducting polymers in photonics." In Optics Quebec, edited by Roger A. Lessard. SPIE, 1994. http://dx.doi.org/10.1117/12.166301.

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5

Li, Lian, Ru J. Jeng, J. Y. Lee, Jayant Kumar, and Sukant K. Tripathy. "Photoconducting nonlinear optical polymers." In San Diego, '91, San Diego, CA, edited by Kenneth D. Singer. SPIE, 1991. http://dx.doi.org/10.1117/12.50722.

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6

Bushby, Richard J., Owen R. Lozman, Jason C. Bunning, Kevin J. Donovan, Theo Kreouzis, and Ken Scott. "Photoconducting discotic liquid crystals." In Integrated Optoelectronics Devices, edited by James G. Grote and Toshikuni Kaino. SPIE, 2003. http://dx.doi.org/10.1117/12.478360.

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7

Auston, D. H., X. C. Zhang, N. Froberg, B. B. Hu, and J. Darrow. "Large Aperture Photoconducting Antennas." In Picosecond Electronics and Optoelectronics. Washington, D.C.: Optica Publishing Group, 1991. http://dx.doi.org/10.1364/peo.1991.wa1.

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We describe a novel optoelectronic technique to generate and detect THz electromagnetic waves by using large-aperture planar photoconducting antennas and antenna arrays. This appoach is an effective method of producing directional and steerable sub-millimeter wave pulses.
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8

Froberg, N. M., M. Mack, B. B. Hu, X. C. Zhang, and D. H. Auston. "Electrically Steerable Photoconducting Antenna Array." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1990. http://dx.doi.org/10.1364/oam.1990.pdp23.

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We describe a photoconducting antenna array, a novel optoelectronic device for optically generating and electrically steering a sub-millimeter wave. An array of 32 photoconducting antennas, formed by a pattern of parallel electrodes, was deposited on semi-insulating GaAs. The voltage applied to the electrodes varied sinusoidally across the 3.2 mm array. Under optical illumination, the strengths of the photocurrent elements between adjacent electrodes also had a sinusoidal distribution and the array radiated a sub-millimeter wave. To produce directional radiation, the array was illuminated with a train of four optical pulses spaced 2 picoseconds apart. The array emitted a burst of radiation at 500 GHz which could be electrically steered in free space by varying the period of the sinusoidal bias on the electrodes. For the array used, the estimated radiation width was 10 degrees. When the array was illuminated with a single optical pulse, it generated broadband radiation. In this case the spatial bias pattern on the electrodes was mapped into the temporal waveform of the radiated field. When a sinusoidal bias pattern was applied to the electrodes, the wavelength of the radiation detected in the far field could be scanned from millimeter-wave to microwave frequencies by changing the bias period.
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9

Mason, R. J., V. A. Thomas, and M. E. Jones. "3D FDTD simulation of photoconducting switches." In International Conference on Plasma Sciences (ICOPS). IEEE, 1993. http://dx.doi.org/10.1109/plasma.1993.593534.

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10

Reineix, A., M. Ariaudo, O. Besse, Bernard Jecko, Nicolas Breuil, and Alain Barthelemy. "Theoretical analysis of photoconducting microdipole antennas." In SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, edited by Mohammed N. Afsar. SPIE, 1998. http://dx.doi.org/10.1117/12.331193.

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Звіти організацій з теми "Photoconducting"

1

Sullivan, James S. Wide Bandgap Extrinsic Photoconductive Switches. Office of Scientific and Technical Information (OSTI), July 2013. http://dx.doi.org/10.2172/1088462.

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2

Williamson, Steven. 5-Picosecond Photoconductive Sampling Oscilloscope. Fort Belvoir, VA: Defense Technical Information Center, April 1995. http://dx.doi.org/10.21236/ada294709.

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3

Sullivan, James S. Wide Bandgap Extrinsic Photoconductive Switches. Office of Scientific and Technical Information (OSTI), January 2012. http://dx.doi.org/10.2172/1034509.

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4

Grondin, Robert O. Hot Carrier in Subpicosecond Photoconductive Experiments. Fort Belvoir, VA: Defense Technical Information Center, February 1990. http://dx.doi.org/10.21236/ada219874.

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5

Donaldson, William R. Investigation of the Performance of Photoconductive Switches. Fort Belvoir, VA: Defense Technical Information Center, September 1988. http://dx.doi.org/10.21236/ada201425.

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6

Persans, Peter D. Optical and Photoconductive Characterization of Black Silicon. Fort Belvoir, VA: Defense Technical Information Center, December 2012. http://dx.doi.org/10.21236/ada585405.

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7

Mar, Alan, Fred J. Zutavern, Gregory A. Vawter, Harold P. Hjalmarson, Richard Joseph Gallegos, and Verle Howard Bigman. Electrical Breakdown Physics in Photoconductive Semiconductor Switches (PCSS). Office of Scientific and Technical Information (OSTI), January 2016. http://dx.doi.org/10.2172/1234568.

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8

Baca, A. G., H. P. Hjalmarson, G. M. Loubriel, D. L. McLaughlin, and F. J. Zutavern. High current density contacts for photoconductive semiconductor switches. Office of Scientific and Technical Information (OSTI), August 1993. http://dx.doi.org/10.2172/10181185.

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9

Pollack, Steven K. Development of Novel Photoconductive Liquid Crystals for Large Area Photodetectors. Fort Belvoir, VA: Defense Technical Information Center, April 1998. http://dx.doi.org/10.21236/ada387113.

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10

Schamiloglu, Edl, Naz Islam, and Ravi Joshi. Optimization of GaAs Photoconductive Switch Technology for Ultra Wideband Applications. Fort Belvoir, VA: Defense Technical Information Center, August 2000. http://dx.doi.org/10.21236/ada381446.

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