Bolotnikov, A. E. and Boggs, S. E. and Cook, W. R. and Harrison, F. A. and Schindler, S. M. (1999) Use of a pulsed laser to study properties of CdZnTe pixel detectors. In: Penetrating Radiation Systems and Applications. Proceedings of SPIE. No.3769. Society of Photo-Optical Instrumentation Engineers , Bellingham, WA, pp. 52-58. https://resolver.caltech.edu/CaltechAUTHORS:20180110-155845853
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Abstract
We have investigated the utility of employing a short (<4 ns) pulsed laser with wavelength tunable between 600 - 950 nm as a tool for studying and characterizing CdZnTe detectors. By using a single mode optical fiber and simple optics, we can focus the beam to a spot size of less than 10 micrometers and generate the number of the excess carriers equivalent to a several MeV gamma-ray either at the surface or deep inside the sample. The advantages of this technique over use of a collimated X-ray or alpha particle source are strong induced signal, precise pointing, and triggering capability. As examples of using this technique, we present the results of measurements of the drift velocity, electron lifetime, and electric field line distribution inside CZT pixel detectors.
| Item Type: | Book Section | |||||||||
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| Additional Information: | © 1999 Society of Photo-Optical Instrumentation Engineers (SPIE). | |||||||||
| Group: | Space Radiation Laboratory | |||||||||
| Subject Keywords: | CdZnTe detector characterization | |||||||||
| Series Name: | Proceedings of SPIE | |||||||||
| Issue or Number: | 3769 | |||||||||
| DOI: | 10.1117/12.363691 | |||||||||
| Record Number: | CaltechAUTHORS:20180110-155845853 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20180110-155845853 | |||||||||
| Official Citation: | Aleksey E. Bolotnikov, Steven E. Boggs, Walter R. Cook, Fiona A. Harrison, Steven M. Schindler, "Use of a pulsed laser to study properties of CdZnTe pixel detectors", Proc. SPIE 3769, Penetrating Radiation Systems and Applications, (1 October 1999); doi: 10.1117/12.363691; http://dx.doi.org/10.1117/12.363691 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 84240 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | George Porter | |||||||||
| Deposited On: | 11 Jan 2018 00:14 | |||||||||
| Last Modified: | 15 Nov 2021 20:18 |
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