Linewidth analysis of KBe2BO3F2 crystal optical parametric oscillator

Jianguang Dai; Li Wang

doi:10.1117/12.754716

7 February 2008 Linewidth analysis of KBe₂BO₃F₂ crystal optical parametric oscillator

Jianguang Dai, Li Wang

Proceedings Volume 6839, Nonlinear Optics: Technologies and Applications; 683912 (2008) https://doi.org/10.1117/12.754716
Event: Photonics Asia 2007, 2007, Beijing, China

Abstract

The linewidth of KBe₂BO₃F₂ crystal optical parametric oscillator (KBBF-OPO) has investigated using theoretical analysis and simulation in type-I phase matching (PM). The Linwidth ranges of 81~250nm with the spontaneous parametric emission, 230~690nm with the divergence angle of pumping beam, and 19~96nm the linewidth of signal light are obtained, respectively. It is shown that the linewidth of signal is very narrow far away from the degeneracy point and the linewidth increased near the degeneracy point and given the results that KBBF-OPO has smaller linewidths than that of CLBO-OPO in type I. The divergence angle of pumping beam and the off-axis of pumping beam influenced the signal linewidth more seriously than other factors do. These results are important for compression the linewidth of OPO signal and useful for construction high power KBBF-OPO laser.

Citation Download Citation

Jianguang Dai and Li Wang "Linewidth analysis of KBe₂BO₃F₂ crystal optical parametric oscillator", Proc. SPIE 6839, Nonlinear Optics: Technologies and Applications, 683912 (7 February 2008); https://doi.org/10.1117/12.754716

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