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Proceedings Paper

Calibration of angular motion of a scanning mirror mechanism using a lateral-effect position-sensitive photodetector
Author(s): T. Santhanakrishnan; Alkondan Ramalingam; P. K. Palanisamy; S. Paulpandian; S. K. Banerjee; Rajaram Nayak; Philip C. Thomas; P. P. Ouseph
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Paper Abstract

This paper describes a noncontact and computer compatible test setup to calibrate the angular motion of a life test model of a scanning mirror mechanism using a lateral-effect position sensitive photodetector (LPSD). Laser based measurements of its movements using the LPSD adds up the suitability of this mechanism to very high resolution radiometer effectively. The description of the scan mirror mechanism and the existing calibration test methods are briefed. The characteristic properties of the LPSD are discussed. Experimental details and the results obtained are presented.

Paper Details

Date Published: 26 September 1995
PDF: 6 pages
Proc. SPIE 2550, Photodetectors and Power Meters II, (26 September 1995); doi: 10.1117/12.221421
Show Author Affiliations
T. Santhanakrishnan, Anna Univ. (India)
Alkondan Ramalingam, Anna Univ. (India)
P. K. Palanisamy, Anna Univ. (India)
S. Paulpandian, Vikram Sarabhai Space Ctr. (India)
S. K. Banerjee, Vikram Sarabhai Space Ctr. (India)
Rajaram Nayak, Vikram Sarabhai Space Ctr. (India)
Philip C. Thomas, Vikram Sarabhai Space Ctr. (India)
P. P. Ouseph, Vikram Sarabhai Space Ctr. (India)

Published in SPIE Proceedings Vol. 2550:
Photodetectors and Power Meters II
Kathleen Muray; Kenneth J. Kaufmann, Editor(s)

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