Output characteristics of 579nm Raman laser for medical application

Yeong-Sik Kim; Woo-Jin Jeon; Yonghwa Do; Eun-Joo Hahn

doi:10.1117/12.874120

21 February 2011 Output characteristics of 579 nm Raman laser for medical application

Yeong-Sik Kim, Woo-Jin Jeon, Yonghwa Do, Eun-Joo Hahn

Proceedings Volume 7917, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications X; 79171O (2011) https://doi.org/10.1117/12.874120
Event: SPIE LASE, 2011, San Francisco, California, United States

Abstract

All-solid-state intracavity Raman laser using a ceramic Nd:YAG laser and a KGd(WO₄)₂ nonlinear crystal has been fabricated and its output characteristics has been investigated for the purpose of medical application. Yellow laser light at the wavelength of 579 nm could be obtained by second harmonic generation of LBO crystal from the first Stokes wavelength of 1159 nm which was converted by stimulated Raman scattering with the fundamental wavelength of Nd:YAG laser. In the case of using output coupler of reflectivity of 95%, the maximum peak power was 230 W/pulse with the pulse width of 9.3 ns under the condition of Q-switched mode operation. The maximum average power of about 30 mW was achieved at the pump power of 20 W.

Citation Download Citation

Yeong-Sik Kim, Woo-Jin Jeon, Yonghwa Do, and Eun-Joo Hahn "Output characteristics of 579 nm Raman laser for medical application", Proc. SPIE 7917, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications X, 79171O (21 February 2011); https://doi.org/10.1117/12.874120

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