Physics
Scientific paper
Dec 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003spie.5209..209c&link_type=abstract
Materials for Infrared Detectors III. Edited by Longshore, Randolph E.; Sivananthan, Sivalingam. Proceedings of the SPIE, Volum
Physics
6
Scientific paper
Spectral response curves of photoemission materials and spectral matching factors between detectors and reflecting spectrum of scenes are of importance in the study of detectors and imaging devices. For studying the two questions an automatic spectral recording system was developed and the schematic diagram of the system was demonstrated in this paper. A lot of experiments by use of the system were made to obtain spectral response curves and characteristic parameters of multi-alkali and GaAs:Cs-O photocathodes during activation procedure and these experimental results were given. It was found that electron affinity of Na2KSb, Na2KSb+Cs and [Na2KSb+Cs]+Sb+Cs multi-alkali photocathodes were 0.70-0.91eV, 0.35-0.41eV and 0.33eV respectively calculated from threshold wavelength of spectral response curves and quantum yield during preparation. On-line spectral response measurements of GaAs:Cs-O reflection-mode photocathodes during activation process and decay procedure were carried. The prepared GaAs:Cs-O reflection-mode photocathodes which used national p-type GaAs substrate can obtain 1025μA/lm sensitivity.
Chang BenKang
Du Xiaoqing
Fu RongGuo
Liu Lei
Qian YunSheng
No associations
LandOfFree
Automatic recording system of dynamic spectral response and its applications does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Automatic recording system of dynamic spectral response and its applications, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Automatic recording system of dynamic spectral response and its applications will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1731910