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1 June 1992 Laser diode coherence length variation with drive current: a tool for dispersion measurements
James R. Rotge, Douglas A. Christensen, Andrew T. Klemas, Gary C. Loos, David Merriman
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Proceedings Volume 1625, Design, Modeling, and Control of Laser Beam Optics; (1992) https://doi.org/10.1117/12.58962
Event: OE/LASE '92, 1992, Los Angeles, CA, United States
Abstract
A visible light (670 nm) laser diode was used as a variable coherence length source to measure dispersion characteristics in single-mode fibers. The diode's spectral width, measured against increasing drive current, was found to change from about 16 nanometers to less than 0.2 nanometer. The corresponding change in coherence length is from about 25 micrometers to 2.5 mm.
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James R. Rotge, Douglas A. Christensen, Andrew T. Klemas, Gary C. Loos, and David Merriman "Laser diode coherence length variation with drive current: a tool for dispersion measurements", Proc. SPIE 1625, Design, Modeling, and Control of Laser Beam Optics, (1 June 1992); https://doi.org/10.1117/12.58962
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KEYWORDS
Semiconductor lasers
Single mode fibers
Visible radiation
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