Optical Reflectometer Using Low Coherence Source

Tsuneo HORIGUCHI  Nori SHIBATA  Mitsuhiro TATEDA  

IEICE TRANSACTIONS (1976-1990)   Vol.E71   No.4   pp.348-349
Publication Date: 1988/04/25
Online ISSN: 
Print ISSN: 0000-0000
Type of Manuscript: Special Section LETTER (Special Issue: Papers from 1988 Spring Convention IEICE)
Category: Optical Measurement

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A heterodyne interferometer utilizing a light source with short coherence length has led to a significant improvement in distance resolution of an optical reflectometer. The resolution less than 1 cm along a fiber is easily achieved by a Fabry-Perot type diode as a short coherence length source.