Zobrazeno 21 - 30
of 35
pro vyhledávání: '"77"'
Publikováno v:
SPIE Proceedings.
A Charge Injection Device Technologies 512 X 512 CID array has been tested at liquid nitrogen temperature to assess its suitability for use in low light applications. The CID-38 chip used was installed in a SICam dewar/electronics from CIDTEC. For th
Autor:
Si R. Teigland
Publikováno v:
SPIE Proceedings.
The use of FT-IR spectrometers for on-line monitoring and process control has recently been gaining in popularity. Many of these FT-IR systems use LN2 cooled detectors. This paper discusses the use of stirling cycle cryogenic coolers for the cooling
Publikováno v:
Physical Concepts and Materials for Novel Optoelectronic Device Applications II.
Using 45 degree(s) geometry or grating for optical coupling, three kinds of GaAs/AlxGa1-xAs multiquantum well (MQW) photodetectors having different response range, i.e., 7.50 - 8.85, 8.20 - 9.80, and 9.60 - 11.40 micrometers , have been fabricated an
Publikováno v:
SPIE Proceedings.
The p+-n homojunctions were formed by arsenic diffusion in the HgCdTe monocrystals and epilayers. Photodiode performance was established by measuring the current-voltage and spectral response characteristics. LWIR photodiodes are background limited a
Publikováno v:
SPIE Proceedings.
A 512 pixel truly linear infrared (IR) charge coupled device (CCD) with Schottky barrier sensors and buttable edges has been developed, incorporating three different silicides working in the front-side illumination mode. The main differences between
Autor:
Philip D. Henshaw, Norman R. Guivens
Publikováno v:
SPIE Proceedings.
Many impressive developments in image simulation technology have led to extensive use of synthetic images in the motion picture industry for special effects and animation, and also in applications such as aircraft flight simulators. Although these im
Autor:
Daniel Amingual
Publikováno v:
SPIE Proceedings.
This paper introduces briefly the status of existing focal plane arrays in the world. A more detailed description of the Laboratoire Infrarouge (LIR) - SOFRADIR Technology is given. Results concerning scanned linear arrays and staring arrays are give
Autor:
Randy W. Simon
Publikováno v:
SPIE Proceedings.
Superconductive electronics is well known to offer substantial performance advantages over conventional technologies with respect to high-speed, low-power dissipation and high- frequency operation. Before the discovery of high-temperature superconduc
Publikováno v:
Quantum Well and Superlattice Physics III.
The nearly lattice-matched InAs/GaSb/A1Sb system offers tremendous flexibility in designing novel heterostructures due to its wide range of band alignments. We have recently exploited this advantage to demonstrate a new class of negative differential
Autor:
D. R. Andrews, Ian M. Hutchings
Publikováno v:
SPIE Proceedings.
The use of GaAsP light emitting diodes as pulsed light sources for high-speed photography is discussed. Two applications are des-cribed: single-shot photography with pulses ca. 1 p,s long, and stroboscopic visualization of ultrasound with 50 ns flash