Satapathy, S. ; Soni, Puja ; Gupta, P. K. ; Dubey, V. K. ; Varma, K. B. R. (2008) Design and fabrication of dual mode pyroelectric sensor: high sensitive energymeter for Nd:YAG laser and detector for chopped He-Ne laser Sensors & Transducers Journal, 92 (5). pp. 61-68. ISSN 1726-5479
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Official URL: http://www.sensorsportal.com/HTML/DIGEST/P_275.htm
Abstract
Pyroelectric sensor using TGS has been designed and fabricated which can be operated in laser energy meter mode as well as pyroelectric detector mode. The amplifying circuit configuration has very good signal to noise ratio, very high input impedance and low drift. The pyroelectric sensor has been tested using Q-switched Nd: YAG laser and chopped He-Ne laser. The sensitivity of pyroelectric sensor in energymeter mode is 421.7V/J and the voltage responsivity of the pyroelectric sensor is 3.27 V/W in detector mode.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to International Frequency Sensor Association. |
| Keywords: | Pyroelectric; Laser Energy Meter; Pyroelectric Detector; Thermal Time Constant |
| ID Code: | 83694 |
| Deposited On: | 22 Feb 2012 12:51 |
| Last Modified: | 22 Feb 2012 12:51 |
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