DocumentCode :
1099938
Title :
Sensitivity of Pr+3: LaCl3infrared quantum counter
Author :
Porter, John F., Jr.
Author_Institution :
Carlyle Barton lab., The John Hopekins Univ., Baltimore, MD
Volume :
1
Issue :
3
fYear :
1965
fDate :
6/1/1965 12:00:00 AM
Firstpage :
113
Lastpage :
115
Abstract :
The NEPλand response time of the Pr3+:LaCl3Infra-red Quantum Counter have been measured for the wavelengths 1.48 μ, 1.58 μ, 2.03 μ and 2.33 μ at the nominal temperatures of 300°K, 77°K, and 4.2°K. The experimental arrangement is described and suggestions for improvement are made. The best results obtained are an NEP_{2.03_\\mu} = 2 \\times 10^{-5} watts (c/s)^{-1/2} and a temperature independent response time of 20-30 ms.
Keywords :
Counting circuits; Delay; Energy states; Filters; Glass; Lattices; Monitoring; Photomultipliers; Temperature; Time measurement;
fLanguage :
English
Journal_Title :
Quantum Electronics, IEEE Journal of
Publisher :
ieee
ISSN :
0018-9197
Type :
jour
DOI :
10.1109/JQE.1965.1072200
Filename :
1072200
Link To Document :
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