Updated Sellmeier equations of β-BaB2O4

Kiyoshi Kato; Nobuhiro Umemura; Takayuki Okamoto; Kentaro Miyata

doi:10.1117/12.2576038

5 March 2021 Updated Sellmeier equations of β-BaB₂O₄

Kiyoshi Kato, Nobuhiro Umemura, Takayuki Okamoto, Kentaro Miyata

Proceedings Volume 11670, Nonlinear Frequency Generation and Conversion: Materials and Devices XX; 116701E (2021) https://doi.org/10.1117/12.2576038
Event: SPIE LASE, 2021, Online Only

Abstract

We present updated Sellmeier equations for β-BaB₂O₄ based on measurements of the phase-matching angles for second-harmonic (SHG) and sum-frequency generation (SFG) of a Nd:YAG laser-pumped 90° phase-matched RbTiOAsO₄ optical parametric oscillator (OPO) and a Nd:YAG laser in the 0.6407 - 3.1392 μm range. The phase-matching angles predicted by this index formula agree well with the recently published data points of SFG between a Ti:Al₂O₃ laser and Nd:YAG laser-pumped KTiOAsO₄ OPO in the 0.40 -5.3 μm range {G. Tamosauskas et al., Opt. Mater. Express 8, 1410 (2018)] as wellas those for SFG below 0.2048 μm thus far reported in the literature.

Conference Presentation

Citation Download Citation

Kiyoshi Kato, Nobuhiro Umemura, Takayuki Okamoto, and Kentaro Miyata "Updated Sellmeier equations of β-BaB₂O₄", Proc. SPIE 11670, Nonlinear Frequency Generation and Conversion: Materials and Devices XX, 116701E (5 March 2021); https://doi.org/10.1117/12.2576038

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