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Proceedings Paper

An improved method for stripping cladding light in high power fiber lasers
Author(s): Tenglong Li; Juan Wu; Yinghong Sun; Yanshan Wang; Yi Ma
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Paper Abstract

In order to ensure the high power all-fiber laser reliability and excellent beam quality, it is necessary to strip the unwanted cladding light. The common method for stripping cladding light is to recoat the double cladding fiber with a high index gel, but localized heating and low thermal conductivity of the recoating gel are the prime factors limiting the power-handling capability of the cladding power stripper(CPS). An improved fabrication technique to manufacture the CPS is presented. Light stripping section of the fiber is fused with a transparent quartz tube, by applying different amount of etchant along the quartz tube, frosted surface is created and uniformly removal of the cladding light is achieved. The quartz tube is joined to water-cooled thermal enclosure tightly without the gel to avoid heat aggregation. The power-handling capability of the device is tested under 200W of cladding light, and attenuation of 20 dB is achieved.

Paper Details

Date Published: 3 February 2015
PDF: 6 pages
Proc. SPIE 9255, XX International Symposium on High-Power Laser Systems and Applications 2014, 92550M (3 February 2015); doi: 10.1117/12.2065357
Show Author Affiliations
Tenglong Li, China Academy of Engineering Physics (China)
Juan Wu, China Academy of Engineering Physics (China)
Yinghong Sun, China Academy of Engineering Physics (China)
Yanshan Wang, China Academy of Engineering Physics (China)
Yi Ma, China Academy of Engineering Physics (China)


Published in SPIE Proceedings Vol. 9255:
XX International Symposium on High-Power Laser Systems and Applications 2014
Chun Tang; Shu Chen; Xiaolin Tang, Editor(s)

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