Relationship between Gaussian beam quality and wavefront aberration

HE Yuanxing; MU Baili; LI Jian; LI Wei

doi:10.7510/jgjs.issn.1001-3806.2014.06.006

LASER TECHNOLOGY > 2014 > 38(6): 747-752. > DOI: 10.7510/jgjs.issn.1001-3806.2014.06.006

HE Yuanxing, MU Baili, LI Jian, LI Wei. Relationship between Gaussian beam quality and wavefront aberration[J]. LASER TECHNOLOGY, 2014, 38(6): 747-752. DOI: 10.7510/jgjs.issn.1001-3806.2014.06.006

Citation:

HE Yuanxing, MU Baili, LI Jian, LI Wei. Relationship between Gaussian beam quality and wavefront aberration[J]. LASER TECHNOLOGY, 2014, 38(6): 747-752. DOI: 10.7510/jgjs.issn.1001-3806.2014.06.006

Citation:

HE Yuanxing, MU Baili, LI Jian, LI Wei. Relationship between Gaussian beam quality and wavefront aberration[J]. LASER TECHNOLOGY, 2014, 38(6): 747-752. DOI: 10.7510/jgjs.issn.1001-3806.2014.06.006

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Relationship between Gaussian beam quality and wavefront aberration

95859 Unit, Chinese People's Liberation Army, Jiuquan 735018, China

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Received Date: December 22, 2013
Revised Date: January 07, 2014
Published Date: November 24, 2014

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Abstract

In order to investigate the relationship between the truncated Gaussian beam and wavefront aberration, the parameter of Gaussian beam factor was proposed to evaluate the beam quality of the truncated Gaussian laser. The influence of wavefront aberration of optical system on Gaussian beam quality was analyzed by using numerical simulation method and the fitting relationship between Gaussian beam quality factor and wavefront aberration was given. As an example, the relationship between Gaussian beam quality and atmospheric turbulence strength with Kolmogoroff spectral was discussed and their fitting formula was given. The calculating results show that the fitted curve is in good agreement with the corresponding simulated data in a relatively wide range of turbulence strength, which further validate the correctness of the fitting formula between Gaussian beam factor and wavefront aberration.
- laser optics,
- Gaussian beam quality,
- diffraction integral,
- wavefront aberration,
- atmospheric turbulence,
- Zernike polynomials

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