Referenced Items are not available for this document.
A fiber Bragg grating (FBG) was inscribed in the inner cladding of a double-clad fiber, in order to reflect, and thus, double-pass, the pump radiation in a cladding-pumped fiber laser. The effective pump reflectivity of the inner-cladding FBG was ∼46.4%. This increased the slope efficiency of a Yb-doped cladding-pumped fiber laser by up to 8.5%, and the output power increased by 45% with a 3-W pump source. The FBG provides stable and robust pump reflection, while leaving the fiber end free, for example, so that a signal transmission fiber can be spliced to the double-clad fiber.
Published in:
Photonics Technology Letters, IEEE
(Volume:16
,
Issue:
2
)
Date of Publication: Feb. 2004
- Page(s):
- 407 - 409
- ISSN :
- 1041-1135
- INSPEC Accession Number:
- 7968303
- Digital Object Identifier :
- 10.1109/LPT.2003.823135
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 19 February 2004
- Issue Date :
- Feb. 2004
- Sponsored by :
- IEEE Photonics Society
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