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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 53, Iss. 12 — Apr. 20, 2014
  • pp: 2611–2615

Robust cladding light stripper for high-power fiber lasers using soft metals

Amin Babazadeh, Reza Rezaei Nasirabad, Ahmad Norouzey, Kamran Hejaz, Reza Poozesh, Amir Heidariazar, Ali Hamedani Golshan, Ali Roohforouz, S. Naser Tabatabaei Jafari, and Majid Lafouti  »View Author Affiliations


Applied Optics, Vol. 53, Issue 12, pp. 2611-2615 (2014)
http://dx.doi.org/10.1364/AO.53.002611


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Abstract

In this paper we present a novel method to reliably strip the unwanted cladding light in high-power fiber lasers. Soft metals are utilized to fabricate a high-power cladding light stripper (CLS). The capability of indium (In), aluminum (Al), tin (Sn), and gold (Au) in extracting unwanted cladding light is examined. The experiments show that these metals have the right features for stripping the unwanted light out of the cladding. We also find that the metal–cladding contact area is of great importance because it determines the attenuation and the thermal load on the CLS. These metals are examined in different forms to optimize the contact area to have the highest possible attenuation and avoid localized heating. The results show that sheets of indium are very effective in stripping unwanted cladding light.

© 2014 Optical Society of America

OCIS Codes
(000.2190) General : Experimental physics
(140.3280) Lasers and laser optics : Laser amplifiers
(140.3460) Lasers and laser optics : Lasers
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3615) Lasers and laser optics : Lasers, ytterbium

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: December 18, 2013
Revised Manuscript: February 5, 2014
Manuscript Accepted: February 11, 2014
Published: April 15, 2014

Citation
Amin Babazadeh, Reza Rezaei Nasirabad, Ahmad Norouzey, Kamran Hejaz, Reza Poozesh, Amir Heidariazar, Ali Hamedani Golshan, Ali Roohforouz, S. Naser Tabatabaei Jafari, and Majid Lafouti, "Robust cladding light stripper for high-power fiber lasers using soft metals," Appl. Opt. 53, 2611-2615 (2014)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-53-12-2611

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