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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Editor: Zhizhan Xu
  • Vol. 10, Iss. 10 — Oct. 1, 2012
  • pp: 101402–101402

Coherent beam combination of broad-area laser diode array using of f-axis external cavity with double feedback

Zhouping Su, Zhicheng Ji, Lizhi Que, and Zhuowei Zhu  »View Author Affiliations


Chinese Optics Letters, Vol. 10, Issue 10, pp. 101402-101402 (2012)


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Abstract

In this letter, we demonstrate coherent beam combination of laser diode array using the external Talbot cavity with double feedback. The double feedback elements consist of grating and high-reflection plane mirror. Compared with single high-reflection plane mirror feedback, the external Talbot cavity with double feedback reduce the number of interference strips in the far-field pattern and narrow spectral line-width of the laser diode array. The results indicate that the application of the external Talbot cavity with double feedback produces a clear far-field interference pattern. In addition, line-width is reduced to 0.15 nm full-width at half-maximum (FWHM).

© 2012 Chinese Optics Letters

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.2010) Lasers and laser optics : Diode laser arrays
(140.3410) Lasers and laser optics : Laser resonators
(140.3298) Lasers and laser optics : Laser beam combining

ToC Category:
Lasers and Laser Optics

Citation
Zhouping Su, Zhicheng Ji, Lizhi Que, and Zhuowei Zhu, "Coherent beam combination of broad-area laser diode array using of f-axis external cavity with double feedback," Chin. Opt. Lett. 10, 101402-101402 (2012)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-10-10-101402

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