Widely tunable eye-safe optical parametric oscillation in an x-cut KTP crystal with noncollinear confocal pumping

Fangjie Li; Kai Zhong; Hongzhan Qiao; Xianzhong Zhang; Degang Xu; Jianquan Yao

doi:10.1117/12.2600686

9 October 2021 Widely tunable eye-safe optical parametric oscillation in an x-cut KTP crystal with noncollinear confocal pumping

Fangjie Li, Kai Zhong, Hongzhan Qiao, Xianzhong Zhang, Degang Xu, Jianquan Yao

Author Affiliations +

Proceedings Volume 11905, Quantum and Nonlinear Optics VIII; 1190510 (2021) https://doi.org/10.1117/12.2600686
Event: SPIE/COS Photonics Asia, 2021, Nantong, JS, China

Conference Poster

Abstract

A widely tunable eye-safe noncollinear phase-matched (PM) KTP optical parametric oscillator (OPO) with fixed output direction was proposed. Based on a novel confocal optics system, the input pump beam from a pulsed 1064 nm Nd:YAG laser could be deflected into the OPO with a tunable and agile noncollinear angle while maintaining the resonator unaffected. As a result, stable OPO operation with a wide tuning range of 124 nm was achieved easily with a beam scanner. The pump threshold, output energy, linewidth and temporal pulse shapes during wavelength tuning were also measured and discussed.

Citation Download Citation

Fangjie Li, Kai Zhong, Hongzhan Qiao, Xianzhong Zhang, Degang Xu, and Jianquan Yao "Widely tunable eye-safe optical parametric oscillation in an x-cut KTP crystal with noncollinear confocal pumping", Proc. SPIE 11905, Quantum and Nonlinear Optics VIII, 1190510 (9 October 2021); https://doi.org/10.1117/12.2600686

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