Widely tunable continuous-wave solid state red laser source using periodically poled lithium niobate

Michael L. Sundheimer; Alphan Sennaroglu

doi:10.1117/12.347941

28 April 1999 Widely tunable continuous-wave solid state red laser source using periodically poled lithium niobate

Michael L. Sundheimer, Alphan Sennaroglu

Proceedings Volume 3666, International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '98; (1999) https://doi.org/10.1117/12.347941
Event: International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '98, 1998, New Delhi, India

Abstract

In this work we have generated widely-tunable continuous-wave (CW) red light by second-harmonic generation (SHG) of the output of a Cr⁴⁺:forsterite laser, tunable from 1.206 to 1.320 micrometer, using quasi-phasematching (QPM) in periodically-poled lithium niobate (PPLN). For a given grating period in the PPLN, a combination of Cr⁴⁺:forsterite pump wavelength tuning and PPLN temperature tuning up to 200 degrees Celsius provided continuous SHG tuning over a wavelength range of approximately 14 nm in the red. By translating the PPLN crystal to other periods, we have demonstrated SHG over the entire tuning range of the pump laser, yielding tunable CW output from 603 to 660 nm with maximum output powers of approximately 5 mW for a typical Cr⁴⁺:forsterite pump power of 500 mW.

Citation Download Citation

Michael L. Sundheimer and Alphan Sennaroglu "Widely tunable continuous-wave solid state red laser source using periodically poled lithium niobate", Proc. SPIE 3666, International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '98, (28 April 1999); https://doi.org/10.1117/12.347941

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KEYWORDS

Continuous wave operation

Crystals

Second-harmonic generation

Laser crystals

Lithium niobate

Solid state lasers

Laser sources

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