Extension of the double-clad Yb/doped fiber laser oscillation range thanks to long-period fiber grating filters
Peterka, Pavan and Slavík, Radan (2009) Extension of the double-clad Yb/doped fiber laser oscillation range thanks to long-period fiber grating filters. In, CLEO/Europe-EQEC, Munich, Germany, 14 - 19 Jun 2009.
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Selection of operating wavelength of the Yb-doped fiber-ring lasers using long-period fiber gratings (LPFGs) is proposed. In the proposed method, customized LPFG that sustains high powers serves as a broad-band rejection filter. It modifies the net gain profile of the laser, enabling the peak gain to occur at a designed wavelength. Spectral range of oscillation between 1050-1110 nm was experimentally demonstrated. The spectral range can be extended to both shorter and longer wavelengths with proper design of the LPFG and length of the Yb-doped fiber. The gratings were inscribed by CO2 laser and the grating period down to 175 m was achieved being, to our best knowledge, the shortest reported LPFG period using this technique. (© 2009 by Astro Ltd., Published exclusively by WILEY-VCH Verlag GmbH & Co. KGaA)
|Item Type:||Conference or Workshop Item (Paper)|
|Keywords:||fiber laser, ring cavity, long-period fiber grating, cladding pumping, ytterbium|
|Subjects:||Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
|Divisions:||University Structure - Pre August 2011 > Optoelectronics Research Centre
|Date Deposited:||17 Mar 2010|
|Last Modified:||26 Aug 2012 16:35|
|Contributors:||Peterka, Pavan (Author)
Slavík, Radan (Author)
|Date:||14 June 2009|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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