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Proceedings Paper

Research on power spectral density after nonlinear propagation in high-power solid state laser
Author(s): Wan-Qing Huang; Ying Zhang; Wen-Yi Wang; Yuan-Chao Geng; Lan-Qin Liu
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Paper Abstract

The Power Spectral Density (PSD) is the specification of mid-spatial-frequency phase error in high power solid-state laser facilities. Its evolution during propagation and connection with laser performance have not been fully discussed due to the complexity of nonlinear propagation. We present in this paper the analytic forms of PSD of output phase and intensity modulation, which could be obtained from the input phase PSD introduced by imperfect optics. Moreover, we connect the PSD with the important laser performance parameters: the relative intensity of wings on the focal spot and the contrast ratio of the near-field.

Paper Details

Date Published: 3 February 2015
PDF: 7 pages
Proc. SPIE 9255, XX International Symposium on High-Power Laser Systems and Applications 2014, 92551F (3 February 2015); doi: 10.1117/12.2064414
Show Author Affiliations
Wan-Qing Huang, China Academy of Engineering Physics (China)
Ying Zhang, China Academy of Engineering Physics (China)
Wen-Yi Wang, China Academy of Engineering Physics (China)
Yuan-Chao Geng, China Academy of Engineering Physics (China)
Lan-Qin Liu, China Academy of Engineering Physics (China)


Published in SPIE Proceedings Vol. 9255:
XX International Symposium on High-Power Laser Systems and Applications 2014
Chun Tang; Shu Chen; Xiaolin Tang, Editor(s)

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