Widely tunable ultraviolet C generation using wavelength selective external high-Q-cavity and a blue laser diode system

C. Tangtrongbenchasil; K. Nonaka

doi:10.1117/12.798952

3 April 2008 Widely tunable ultraviolet C generation using wavelength selective external high-Q-cavity and a blue laser diode system

C. Tangtrongbenchasil, K. Nonaka

Author Affiliations +

Proceedings Volume 6793, International Workshop and Conference on Photonics and Nanotechnology 2007; 679306 (2008) https://doi.org/10.1117/12.798952
Event: International Workshop and Conference on Photonics and Nanotechnology 2007, 2007, Pattaya, Thailand

Abstract

This paper presents a second harmonic generation scheme using a nonlinear optic crystal and a multimode Fabry-Perot blue laser diode that has potential to generate widely tunable coherent deep ultraviolet at approximately 225 nm. Using the Fabry-Perot multimode laser diode with the sum-frequency technique, a high second harmonic power is hardly observed due to low conversion efficiency. In this paper, an approximately 1 μW second harmonic ultraviolet power at around 225 nm ultraviolet wavelength and approximately 6 nm ultraviolet wavelength tunability can be obtained using a multi mode blue LD chip, a nonlinear optic crystal, and an external high-Q-cavity setup.

Citation Download Citation

C. Tangtrongbenchasil and K. Nonaka "Widely tunable ultraviolet C generation using wavelength selective external high-Q-cavity and a blue laser diode system", Proc. SPIE 6793, International Workshop and Conference on Photonics and Nanotechnology 2007, 679306 (3 April 2008); https://doi.org/10.1117/12.798952

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