High power continuous laser at 461 nm based on a frequency-doubling linear cavity

S. Vidal; C.-H. Feng; B. Desruelle; G. Santarelli; P. Bouyer; A. Bertoldi; J. Boullet

doi:10.1117/12.2580403

5 March 2021 High power continuous laser at 461 nm based on a frequency-doubling linear cavity

S. Vidal, C.-H. Feng, B. Desruelle, G. Santarelli, P. Bouyer, A. Bertoldi, J. Boullet

Proceedings Volume 11670, Nonlinear Frequency Generation and Conversion: Materials and Devices XX; 116701D (2021) https://doi.org/10.1117/12.2580403
Event: SPIE LASE, 2021, Online Only

Abstract

A single-frequency blue laser at 461 nm is generated by frequency doubling an amplified diode laser operating at 922 nm via a LBO crystal placed in an ultra-compact resonant linear cavity. The best optical conversion efficiency achieved by the setup is 87% which gives more than 1 W of power in the blue. The frequency-converted beam is characterized in terms of long-term power stability, residual intensity noise, hysteresis induced by the input power stability, and geometrical shape. The generated 461 nm radiation can be used to obtain a magneto-optical trap on strontium 5s² ¹S₀ – 5p¹ P₁ transition.

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Citation Download Citation

S. Vidal, C.-H. Feng, B. Desruelle, G. Santarelli, P. Bouyer, A. Bertoldi, and J. Boullet "High power continuous laser at 461 nm based on a frequency-doubling linear cavity", Proc. SPIE 11670, Nonlinear Frequency Generation and Conversion: Materials and Devices XX, 116701D (5 March 2021); https://doi.org/10.1117/12.2580403

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