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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 7, Iss. 6 — Jun. 1, 2009
  • pp: 458–461

Influence of laser mode on splitting beam illumination effect of Dammann grating

Liping Liu, Ye Tian, Xiudong Sun, Yuan Zhao, Yong Zhang, and Chenfei Jin  »View Author Affiliations


Chinese Optics Letters, Vol. 7, Issue 6, pp. 458-461 (2009)


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Abstract

The influences of various laser modes on the splitting beam effect of Dammann grating are studied in theory and by numerical simulation. The results show that fundamental mode laser resembles plane wave while high order mode laser differs from plane wave in the splitting beam effect by Dammann grating. Therefore, the fundamental mode laser is more suitable to be the light source to improve the energy efficiency in far-distance image detecting systems, such as laser image ladar, which use Dammann grating in the illumination system.

© 2009 Chinese Optics Letters

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(050.1970) Diffraction and gratings : Diffractive optics
(140.3300) Lasers and laser optics : Laser beam shaping

Citation
Liping Liu, Ye Tian, Xiudong Sun, Yuan Zhao, Yong Zhang, and Chenfei Jin, "Influence of laser mode on splitting beam illumination effect of Dammann grating," Chin. Opt. Lett. 7, 458-461 (2009)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-7-6-458

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