Simplified optical correlation-domain reflectometry without reference path
We develop a simplified configuration for optical correlation-domain reflectometry (OCDR) without an explicit reference path. Instead, the Fresnel-reflected light generated at the distal open end of the sensing fiber is exploited as a reference light. After the fundamental demonstration, the optimal...
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Veröffentlicht in: | Applied Optics 2016-05, Vol.55 (15), p.3925-3928 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | We develop a simplified configuration for optical correlation-domain reflectometry (OCDR) without an explicit reference path. Instead, the Fresnel-reflected light generated at the distal open end of the sensing fiber is exploited as a reference light. After the fundamental demonstration, the optimal incident power is found to be approximately 8 dBm. We also show that the loss near the distal end should not be applied, unlike in the case of Brillouin-based OCDR. |
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ISSN: | 0003-6935 1559-128X 2155-3165 1539-4522 |
DOI: | 10.1364/AO.55.003925 |