Paper Title:
Analyzing Output Phase Properties of Confocal Positive-Branch Laser Resonators by Use of Hartmann-Shack Sensor
  Abstract

The effect of intracavity aberrated perturbation on output mode structure properties of passive confocal unstable resonator is been experimentally researched by adopting H-S wavefront sensor and Zernike modal wavefront reconstruction on the basis of numerical simulation. Results show that intracavity tilted perturbation notablely affects outcoupled intensity distribution, and will also increase some high-order aberrations of beam phase properties. However, low-order Zernike tilt aberration is the main component when phase-tilted perturbation is introduced into the resonator. Defocus, astigmatism and coma aberration will all be brought, and also such high-order aberration included in wavefront will directly degrade output beam quality. When correction device of adaptive optics adopted for intracavity aberration correction, correction of tilted aberration should be considered firstly.

  Info
Periodical
Advanced Materials Research (Volumes 282-283)
Chapter
Chapter 3: Material Science, Chemistry and Information Technology
Edited by
Helen Zhang and David Jin
Pages
561-564
DOI
10.4028/www.scientific.net/AMR.282-283.561
Citation
X. Zhang, "Analyzing Output Phase Properties of Confocal Positive-Branch Laser Resonators by Use of Hartmann-Shack Sensor", Advanced Materials Research, Vols. 282-283, pp. 561-564, 2011
Online since
July 2011
Authors
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Price
$32.00
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