Interferometric measurements of phase shift in the IR reflection-absorption spectroscopy
β Scribed by L.A. Kuzik; V.A. Yakovlev
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 238 KB
- Volume
- 64-65
- Category
- Article
- ISSN
- 0368-2048
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## Abstract A quadrature phaseβshifted whiteβlight interferometry is demonstrated to interrogate shortβcavity extrinsic FabryβPerot interferometric (EFPI) sensors. The absolute cavity length of an EFPI can be recovered by constructing two quadrature signals using the whiteβlight spectrum of the EFP