Variable fiber optic attenuator using a bulk-micromachined deformable micromirror

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Variable fiber optic attenuator using a bulk-micromachined deformable micromirror

Mughal, M. Junaid; Riza, Nabeel A.
Date: 2004-10-01
Copyright: © 2004 Society of Photo-Optical Instrumentation Engineers (SPIE). One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Citation: Mughal, M. J. and Riza, N. A. (2004) 'Variable fiber optic attenuator using a bulk-micromachined deformable micromirror', Optical Engineering 43(10), pp. 2214-2215. doi: 10.1117/1.1786940
Published Version: 10.1117/1.1786940

Abstract:

A compact fiber variable optical attenuator (VOA) with <1-dB insertion loss and >25-dB dynamic range is proposed and demonstrated at the 1550-nm band using a fiber collimator lens and a bulk-micromachined deformable micromirror. Three versatile VOA designs are presented that exploit the principle of 3-D beam spoiling to achieve broadband polarization insensitive attenuation using simple single-drive controls.

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