Paper
2 March 2020 Tunable, CW visible laser sources by frequency doubling of broadly tunable Raman fiber lasers
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Abstract
We have demonstrated a simple technique to make continuous wave (CW), tunable visible lasers. In this experiment, the output from a CW, tunable Raman fiber laser (RFL) is frequency doubled using LBO crystal in a single pass configuration. By tuning the output wavelength of RFL from 1.1-1.3um visible light in green to red wavelengths are generated. The efficiency and output power can be substantially improved by placing the crystal within a resonator cavity and pumping using a polarized RFL with narrower linewidth. Also, by tuning the operating wavelength of Yb laser (1060-1100 nm) broadband visible wavelength tunability can be achieved.
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S. Arun, Vatsal Gehlot, Santosh Aparanji, and V. R. Supradeepa "Tunable, CW visible laser sources by frequency doubling of broadly tunable Raman fiber lasers", Proc. SPIE 11264, Nonlinear Frequency Generation and Conversion: Materials and Devices XIX, 1126425 (2 March 2020); https://doi.org/10.1117/12.2547235
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KEYWORDS
Fiber lasers

Continuous wave operation

Second-harmonic generation

Ytterbium

Laser sources

Tunable lasers

Nonlinear optics

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