Insertable monolithic ring cavity laser for high output power single-frequency operation

Hua-Yu Liu; Qi Bian; Yong Bo; Lei Yuan; Yang Kou; Yang Liu; Qin-Jun Peng

doi:10.1117/12.2644480

16 December 2022 Insertable monolithic ring cavity laser for high output power single-frequency operation

Hua-Yu Liu, Qi Bian, Yong Bo, Lei Yuan, Yang Kou, Yang Liu, Qin-Jun Peng

Proceedings Volume 12501, Seventeenth National Conference on Laser Technology and Optoelectronics; 1250104 (2022) https://doi.org/10.1117/12.2644480
Event: Seventeenth National Conference on Laser Technology and Optoelectronics, 2022, Shanghai, China

Abstract

A novel insertable monolithic ring laser based on a Nd:YAG-YAG bonded crystal was proposed for high output power single-frequency operation. In a proof-of-principle experiment, the unidirectional resonator pumped by an 808 nm diode laser was constructed with a half-wave plate and a TGG etalon, thus achieving both structural stability and functional tunability. A single-frequency laser with the output power of 4.1 W is obtained at 1064 nm, corresponding to the slope efficiency of 17.7 % and an optical-to-optical efficiency of 11.8 %. The power fluctuation is measured to be within ±1% over 20 min. The average beam quality factor M2 is measured to be 2.07.

Citation Download Citation

Hua-Yu Liu, Qi Bian, Yong Bo, Lei Yuan, Yang Kou, Yang Liu, and Qin-Jun Peng "Insertable monolithic ring cavity laser for high output power single-frequency operation", Proc. SPIE 12501, Seventeenth National Conference on Laser Technology and Optoelectronics, 1250104 (16 December 2022); https://doi.org/10.1117/12.2644480

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KEYWORDS

Nd:YAG lasers

Crystals

Continuous wave operation

Fabry–Perot interferometers

Laser applications

Laser crystals

Laser stabilization

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