Compact phase-shifted Sagnac interferome
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P.A. Fomitchov; S. Krishnaswamy; J.D. Achenbach
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Article
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1997
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Elsevier Science
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English
⚖ 628 KB
A compact fibre, phase-shifted Sagnac interferometer for ultrasound detection has been developed. The interferometer is a truly path-matched device, and therefore requires no path stabilization or heterodyning. It is a less expensive and more robust alternative to the heterodyne or path-stabilized