Short-coherence-length and high-coupling-efficiency pulsed diode laser for fiber-optic sensors

Wei-Kuo Chen, Pao Lo Liu

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Light sources with low coherence and high coupling efficiency are needed for certain types of fiber-optic interferometric sensors. By driving a 1.3-μm diode laser with picosecond electrical pulses, we have reduced its coherence length to 44 μm. Coupling with an efficiency of 38% into a single-mode fiber has been measured.

Original languageEnglish
Pages (from-to)628-630
Number of pages3
JournalOptics Letters
Volume13
Issue number8
DOIs
StatePublished - 1 Jan 1988

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