Design of spectral beam combining based on reflecting volume Bragg grating

zhan shengbao; zhao shanghong; ni shouchun; wang yuanyi; shi lei; zhang di

Volume 23 Issue 04

Apr. 2011

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zhan shengbao, zhao shanghong, ni shouchun, et al. Design of spectral beam combining based on reflecting volume Bragg grating[J]. High Power Laser and Particle Beams, 2011, 23.

Citation:

zhan shengbao, zhao shanghong, ni shouchun, et al. Design of spectral beam combining based on reflecting volume Bragg grating[J]. High Power Laser and Particle Beams, 2011, 23.

zhan shengbao, zhao shanghong, ni shouchun, et al. Design of spectral beam combining based on reflecting volume Bragg grating[J]. High Power Laser and Particle Beams, 2011, 23.

Citation:

zhan shengbao, zhao shanghong, ni shouchun, et al. Design of spectral beam combining based on reflecting volume Bragg grating[J]. High Power Laser and Particle Beams, 2011, 23.

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Design of spectral beam combining based on reflecting volume Bragg grating

1.
Chuzhou Institute,Chuzhou 239000,China;
2.
Telecommunication Engineering Institute,Air Force Engineering University,Xi’an 710077,China

Publish Date: 2011-04-14

Abstract

Abstract

For the lack of precise control tools in spectral beam combining using reflecting volume Bragg grating, a simple experimental setup was designed using lenses as control elements of beam incident angle and collimation. The optimal grating parameters were derived based on the formula of diffraction efficiency, and the optimal lens parameters were derived based on the formula of aberrations. For the designed combining system, the influencing factors of combining results were analyzed, and the combining results for two laser beams with wavelengths of 1 553 nm and 1 559 nm were calculated. The results show that the combining efficiency of more than 90% can be achieved when the spectral widths of the two beams are less than 1.5 nm, and the combining efficiency of more than 88.7% can also be reac
- spectral beam combining,
- reflecting volume bragg grating,
- lens,
- system design,
- combining result

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