Affiliation:
1. University of Chinese Academy of Sciences
Abstract
A novel, to the best of our knowledge, structure for spectral beam combining (SBC) is proposed, utilizing a polarization-separated feedback (PSF). A polarization separation element is introduced to separate the laser beam into a TE-polarized light and a TM-polarized light. The lower-power light is selected as the external feedback to adjust the resonant wavelength, while the other light is combined spectrally. Compared to the conventional SBC source with a similar feedback, the power and efficiency of the PSFSBC are improved by approximately 20%. Additionally, the beam quality in the non-SBC direction is optimized by 10%, and the power on the output coupler is reduced to nearly one-third. This provides an effective method for achieving an optimized SBC performance.
Funder
CAS Project for Young Scientists in Basic Research
Strategic Priority Research Program of CAS
National Natural Science Foundation of China
National Science and Technology Major Project of China
Equipment pre research
R&D Program of Jilin Province
Subject
Atomic and Molecular Physics, and Optics