The influence of smoothing by spectral dispersion on the beam characteristics in the near field

doi:10.1088/1674-1056/22/10/104210

中国物理B ›› 2013, Vol. 22 ›› Issue (10): 104210-104210.doi: 10.1088/1674-1056/22/10/104210

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

The influence of smoothing by spectral dispersion on the beam characteristics in the near field

樊心民, 吕志伟, 林殿阳, 王雨雷

National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology, Harbin 150080, China

收稿日期:2013-01-23 修回日期:2013-04-06 出版日期:2013-08-30 发布日期:2013-08-30
基金资助:
Project supported by the State Key Program of the National Natural Science Foundation of China (Grant No. 61138005) and the National Natural Science Foundation of China (Grant No. 61008005).

The influence of smoothing by spectral dispersion on the beam characteristics in the near field

Fan Xin-Min (樊心民), Lü Zhi-Wei (吕志伟), Lin Dian-Yang (林殿阳), Wang Yu-Lei (王雨雷)

National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology, Harbin 150080, China

Received:2013-01-23 Revised:2013-04-06 Online:2013-08-30 Published:2013-08-30
Contact: Lü Zhi-Wei E-mail:zw_lu@sohu.com
Supported by:
Project supported by the State Key Program of the National Natural Science Foundation of China (Grant No. 61138005) and the National Natural Science Foundation of China (Grant No. 61008005).

摘要/Abstract

摘要： The influences of SSD on the beam characteristics in the near field are investigated. Results show that if the SSD parameters are increased, the laser intensity modulation increases while fluence modulation decreases, which is attributed to the temporal and spatial variation of the SSD pulse phase. The variations of intensity and fluence modulations with the SSD parameters are given. The simulation results are presented along with a method for choosing appropriate SSD parameters according to the variations and the requirements of applications.

关键词: smoothing by spectral dispersion, intensity modulation degree, fluence modulation degree

Abstract: The influences of SSD on the beam characteristics in the near field are investigated. Results show that if the SSD parameters are increased, the laser intensity modulation increases while fluence modulation decreases, which is attributed to the temporal and spatial variation of the SSD pulse phase. The variations of intensity and fluence modulations with the SSD parameters are given. The simulation results are presented along with a method for choosing appropriate SSD parameters according to the variations and the requirements of applications.

Key words: smoothing by spectral dispersion, intensity modulation degree, fluence modulation degree

中图分类号: (Propagation, transmission, attenuation, and radiative transfer)

42.68.Ay

42.30.Kq (Fourier optics) 25.60.Pj (Fusion reactions)

樊心民, 吕志伟, 林殿阳, 王雨雷. The influence of smoothing by spectral dispersion on the beam characteristics in the near field[J]. 中国物理B, 2013, 22(10): 104210-104210.

Fan Xin-Min (樊心民), Lü Zhi-Wei (吕志伟), Lin Dian-Yang (林殿阳), Wang Yu-Lei (王雨雷). The influence of smoothing by spectral dispersion on the beam characteristics in the near field[J]. Chin. Phys. B, 2013, 22(10): 104210-104210.

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The influence of smoothing by spectral dispersion on the beam characteristics in the near field

The influence of smoothing by spectral dispersion on the beam characteristics in the near field

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