ACHROMATIC OPTOMECHANICAL MODULATOR

Authors
  1. Vincent, D.
Corporate Authors
Defence Research Establishment Valcartier, Valcartier QUE (CAN)
Abstract
Details of the construction and performance of an optomechanical amplitude modulator are presented. The heart of the modulator is an oscillating small mirror which makes it a low-power low-voltage device. The modulation frequency is fixed, but, in our model, it can be changed from 10 to 20 kHz by simple adjustments, and the modulator has high transmission. Because it is an all-reflective device, it is achromatic with respect to modulation depth. Calculations for uniform and Gaussian beams are compared to experimental results obtained with He-Ne and CO2 lasers. The results are similar to those achievable with other types of modulator.
Date of publication
15 Dec 1985
Number of Pages
10
Reprinted from
Applied Optics, vol 25, no 12, 1986, p 1982-1990
DSTKIM No
86-03704
CANDIS No
98380
Format(s):
Hardcopy;Originator's fiche received by DSIS

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