The modified SRRS threshold criteria for high peak power laser pulses in long air-path transmission considering the near-field beam quality

C. Y. Zhu; D. Y. Lin; Z. W. Lu; Y. X. Wang; Z. Wang; L. X. Liang; D. X. Ba

doi:10.1007/s00340-016-6544-3

The modified SRRS threshold criteria for high peak power laser pulses in long air-path transmission considering the near-field beam quality

C. Y. Zhu, D. Y. Lin, Z. W. Lu, Y. X. Wang, Z. Wang, L. X. Liang, D. X. Ba

Harbin Institute of Technology

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

This paper demonstrates that the stimulated rotational Raman scattering (SRRS) threshold for high peak power laser pulses propagating through a long air path can be influenced strongly by the near-field quality of the laser beams, and the relationship between the SRRS threshold and the near-field beam quality (i.e., spatial intensity modulation index and contrast ratio) can be evaluated quantitatively. By using our three-dimensional numerical model, which can describe the spatial–temporal evolution behaviors of SRRS and is verified by previously published SRRS experimental data, the criteria of the safe transmission distance for high peak power nanosecond laser pulses are obtained, and the modified SRRS threshold criterion formulas considering the near-field beam conditions are presented.

Original language	English
Article number	272
Journal	Applied Physics B: Lasers and Optics
Volume	122
Issue number	11
DOIs	https://doi.org/10.1007/s00340-016-6544-3
State	Published - 1 Nov 2016
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2016, Springer-Verlag Berlin Heidelberg.

Funding

This work is supported by the National Natural Science Foundation of China (Grant No. 61008004) and China Postdoctoral Science Foundation funded project (Grant No. 201104397).

Funders	Funder number
National Natural Science Foundation of China	61008004
China Postdoctoral Science Foundation	201104397

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title = "The modified SRRS threshold criteria for high peak power laser pulses in long air-path transmission considering the near-field beam quality",

abstract = "This paper demonstrates that the stimulated rotational Raman scattering (SRRS) threshold for high peak power laser pulses propagating through a long air path can be influenced strongly by the near-field quality of the laser beams, and the relationship between the SRRS threshold and the near-field beam quality (i.e., spatial intensity modulation index and contrast ratio) can be evaluated quantitatively. By using our three-dimensional numerical model, which can describe the spatial–temporal evolution behaviors of SRRS and is verified by previously published SRRS experimental data, the criteria of the safe transmission distance for high peak power nanosecond laser pulses are obtained, and the modified SRRS threshold criterion formulas considering the near-field beam conditions are presented.",

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AU - Zhu, C. Y.

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AU - Wang, Y. X.

AU - Wang, Z.

AU - Liang, L. X.

AU - Ba, D. X.

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AB - This paper demonstrates that the stimulated rotational Raman scattering (SRRS) threshold for high peak power laser pulses propagating through a long air path can be influenced strongly by the near-field quality of the laser beams, and the relationship between the SRRS threshold and the near-field beam quality (i.e., spatial intensity modulation index and contrast ratio) can be evaluated quantitatively. By using our three-dimensional numerical model, which can describe the spatial–temporal evolution behaviors of SRRS and is verified by previously published SRRS experimental data, the criteria of the safe transmission distance for high peak power nanosecond laser pulses are obtained, and the modified SRRS threshold criterion formulas considering the near-field beam conditions are presented.

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The modified SRRS threshold criteria for high peak power laser pulses in long air-path transmission considering the near-field beam quality

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