Zobrazeno 1 - 10
of 33
pro vyhledávání: '"77"'
Autor:
Sergey I. Tarapov, Ilary M. Rarenko, Igor Ivanchenko, Nikolai N. Beletskii, I. N. Gorbatyuk, Nina Popenko, Alexey A. Vertiy
Publikováno v:
SPIE Proceedings.
Excitation of surface magnetoplasma waves in the CdHg1Te semiconductors has been effected by the method of disturbed total internal reflection following the Otto scheme at the wavelength of 2 mm, in the temperature range 0.3 KT
Autor:
Sam A. Keo, Sarath D. Gunapala, Arezou Khoshakhlagh, David Z. Ting, Alexander Soibel, Cory J. Hill, Linda Höglund
Publikováno v:
SPIE Proceedings.
In this paper, the relation between the photoluminescence (PL) intensity and the PL peak wavelength was studied. A linear decrease of the PL intensity with increasing cut-off wavelength of long wavelength infrared CBIRDs was observed at 77 K and the
Autor:
Eric A. DeCuir, Omar Manasreh, Euclydes Marega, Gregory J. Salamo, Jiang Wu, Vasyl P. Kunets, Petr M. Lytvyn, B. S. Passmore
Publikováno v:
SPIE Proceedings.
Interband and intersubband transitions in self-assembled InAs quantum dots embedded in an InGaAs graded well have been investigated for their use in visible to mid-infrared (0.4 - 20 μm) detection applications. The materials were grown by molecular
Publikováno v:
International Conference on Thin Film Physics and Applications.
We have performed millimeter-wave frequency (94 GHz) measurements on high quality YBa 2 Cu 3 O 7-x superconducting films on yttrium stabilized (100) ZrO 2 , MgO substrates. The 0.2 micrometers thin films fabricated by the magnetron sputtering in- sit
Autor:
Shengkun Zhang, Robert R. Alfano
Publikováno v:
Ultrafast Phenomena and Nanophotonics XXIV.
In this work, time-resolved microscopic photoluminescence (PL) spectra of self-assembled CdSe quantum dots (QDs) grown by Molecular Beam Epitaxy were investigated under excitation of femto-second laser. Interface-state-phonon (ISP) assisted carrier r
Autor:
Shekhar Guha
Publikováno v:
Nonlinear Frequency Generation and Conversion: Materials and Devices XVIII.
ZnGeP2 is one of the most useful nonlinear optical crystals for generation of high power and high energy infrared radiation in the 2 to 8 m spectral range because of its high nonlinear coefficient along with high thermal conductivity. Growth techn
Publikováno v:
SPIE Proceedings.
Thiogallate compounds represented by general formula MGa 2 S 4 [where M- Ca +2 , Ba +2 , Sr +2 , Pb +2 , Eu +2 , Eu +3 , ( Na +1 La +3 ) and ( Na +1 Ce +3 )] are highly effective electro-luminescence and laser materials. These materials were first sy
Publikováno v:
Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2015.
In this work, the temperature and frequency dependences of conductivity σ and Arrhenius plots of annealed nanocomposite films containing Fe45Co45Zr10 - based nanoparticles embedded in a doped PbZrTiO3 ferroelectric matrix were studied. The nanocompo
Publikováno v:
Quantum Sensing and Nanophotonic Devices XII.
In this work we investigate the high temperature performance of mid-wavelength infrared InAsSb-AlAsSb nBn detectors with cut-off wavelengths near 4.5μm. The quantum efficiency of these devices is 35% without antireflection coatings and does not chan
Autor:
Sergei F. Lyuksyutov, Jeffrey R. Mackey, Ujitha Abeywickrema, Bertram Floyd, Igor Fedin, Grigory Adamovsky
Publikováno v:
SPIE Proceedings.
Fiber Bragg gratings (FBGs) embedded in conventional fibers may serve as temperature sensors over a wide temperature range and withstand temperatures around 1200 K. A variety of linearly polarized (LP) modes for the wavelengths between 400 and 700 nm