26 March 1993 Optical phase modulator utilizing a transparent piezofilm for use with the extrinsic fiber interferometer
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Abstract
A piezoelectric polyvinylidene fluoride (PVF2) film with transparent indium tin oxide electrode metallization is placed directly in the path of a single mode fiber output to form an extrinsic optical interferometer. This device can be used concurrently with another extrinsic interferometer on a fiber directional coupler to generate a carrier phase modulation on which the signal phase shift is superimposed. Experimental results of the induced phase shifting coefficient are presented for two arrangements of the piezofilm differing in their boundary clamping conditions.
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Venkatapura S. Sudarshanam, Richard O. Claus, "Optical phase modulator utilizing a transparent piezofilm for use with the extrinsic fiber interferometer", Proc. SPIE 1798, Fiber Optic Smart Structures and Skins V, (26 March 1993); doi: 10.1117/12.141328; https://doi.org/10.1117/12.141328
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