Note: Broadly tunable all-fiber ytterbium laser with 0.05 nm spectral width based on multimode interference filter

A multimode interference filter with narrow transmission bandwidth and large self-imaging wavelength interval is constructed and implemented in an ytterbium doped fiber laser in all-fiber format for broad wavelength tunability as well as narrow spectral width of the output beam. The peak transmissio...

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Bibliographic Details
Published in:Review of scientific instruments 2014-05, Vol.85 (5), p.056101-056101
Main Authors: Mukhopadhyay, Pranab K, Gupta, Pradeep K, Singh, Amarjeet, Sharma, Sunil K, Bindra, Kushvinder S, Oak, Shrikant M
Format: Article
Language:English
Subjects:
BEAMS
Doped fibers
DOPED MATERIALS
Fiber lasers
FIBERS
FILTERS
FORMATES
INTERFERENCE
Laser beams
LASERS
MATERIALS SCIENCE
POLARIZATION
Scientific apparatus & instruments
TRANSMISSION
Tunable lasers
WAVELENGTHS
YTTERBIUM
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Description
Summary:A multimode interference filter with narrow transmission bandwidth and large self-imaging wavelength interval is constructed and implemented in an ytterbium doped fiber laser in all-fiber format for broad wavelength tunability as well as narrow spectral width of the output beam. The peak transmission wavelength of the multimode interference filter was tuned with the help of a standard in-fiber polarization controller. With this simple mechanism more than 30 nm (1038 nm-1070 nm) tuning range is demonstrated. The spectral width of the output beam from the laser was measured to be 0.05 nm.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.4874746