Zobrazeno 1 - 10
of 10
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
Publikováno v:
ICPS 2013: International Conference on Photonics Solutions.
A technique for the localization of 3-D refractive test objects is presented. It uses the statistical behavior of axially propagated wavefronts as a metric to determine object location. The wavefront is obtained using digital holography. The wavefron
Publikováno v:
SPIE Proceedings.
A near infrared (NIR) and long-wavelength infrared (LWIR) dual-band infrared photodetector, which can switch detection bands with light bias, is demonstrated at 77 K. The demonstrated scheme consists of series connected photodetectors for different b
Autor:
Elena Plis, Arezou Khoshakhlagh, Stephen Myers, M. N. Kutty, Brianna Klein, Scott M. Johnson, David R. Rhiger, Sanjay Krishna, Ha Sul Kim, Nutan Gautam, Edward P. Smith
Publikováno v:
SPIE Proceedings.
The development of InAsSb detectors based on the nBn design for the mid-wave infrared (MWIR) spectral region is discussed. Comparisons of optical and electrical properties of InAsSb photodetectors with two different barrier material, namely, AlAs 0.1
Publikováno v:
SPIE Proceedings.
Based on the mature and reproducible HgCdTe process developed by CEA-LETI-Infrared Laboratory and industrialized by Sofradir, two new detectors with a cut-off wavelength tuned between 9 μm and 12 μm have been developed. For compact LW cameras, Sofr
Autor:
Donald W. McCarthy, Roland J. Sarlot
Publikováno v:
Current Developments in Lens Design and Optical Engineering II.
A cryogenic mechanism has been built to correct for the blurring effects of atmospheric dispersion in adaptive-opticsimages from large aperture telescopes. Steward Observatory's 6.5m telescope features a deformable Cassegrainsecondary mirror compensa
Publikováno v:
SPIE Proceedings.
Neglecting the effect of generation-recombination (G-R) current, tunneling current, and surface leakage current, a loophole p-n junction current and R 0 A expression is developed in this paper. The R 0 A characteristic varying with temperature and lo
Autor:
Wen-Gang Wu, Zhibin Chen
Publikováno v:
SPIE Proceedings.
Photoelectronic characteristics of the fabricated In x Ga 1-x As/Al y Ga 1- y As/Al z Ga 1-z As asymmetric step quantum-well middle wavelength (3 to approximately 5 micrometers ) infrared detectors are studied. The components display photovoltaic-typ
Autor:
YionNi Liu, Horng Chang, Far-Wen Jih, Ya-Tung Cherng, ShuePing Yang, YauTang Gau, Li-Kuo Dai, Kaung-Shin Huang, Cheng-Der Chiang, Ping-Kuo Weng
Publikováno v:
Optoelectronic Materials and Devices II.
A 256x256 backside illuminated photovoltaic indium antimonide (InSb) focal plane arrays having spectral response in the medium wavelength infrared (3 to 5 (mu) m) was designed and developed at Chung Shang Institute of Science and Technology for use i
Publikováno v:
SPIE Proceedings.
GaAs/Al(0.31)Ga(0.69)As IR detector of multiquantum well structure with a single bound state in a GaAs well have been fabricated. The peak wavelength of spectral responsivity at 77 K was 8.3 microns. The measured responsivities were 20 V/W for A-type