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Q-switched Nd-doped depressed clad hollow optical fiber laser operating at 927nm and its frequency doubling to blue light

Q-switched Nd-doped depressed clad hollow optical fiber laser operating at 927nm and its frequency doubling to blue light
Q-switched Nd-doped depressed clad hollow optical fiber laser operating at 927nm and its frequency doubling to blue light
Cladding-pumping has enabled unsurpassed scaling of the average output power of fiber lasers. However, the relatively low pump absorption compared to core-pumped fibers creates problems for three-level fiber laser at several wavelengths. One example is Nd-doped fiber lasers at ~ 930 nm. Nonlinear degradation is another problem which can even limit the pulse energies and peak powers of pulsed fibers to lower values with cladding-pumping than with core-pumping. This can be a concern for frequency-doubling in crystals such as BiB. A large core facilitates three-level operation of cladding-pumped fibers and also mitigates nonlinear degradation such as spectral broadening. In addition, it improves the energy storage as well as the damage threshold.
Sahu, J.K.
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Kim, J.
611401fb-38dd-4c8a-a240-d8b21ca969a6
Jeong, Y.
85777b88-d35d-4e46-addb-1894fde2385d
Nilsson, J.
f41d0948-4ca9-4b93-b44d-680ca0bf157b
Sahu, J.K.
009f5fb3-6555-411a-9a0c-9a1b5a29ceb2
Kim, J.
611401fb-38dd-4c8a-a240-d8b21ca969a6
Jeong, Y.
85777b88-d35d-4e46-addb-1894fde2385d
Nilsson, J.
f41d0948-4ca9-4b93-b44d-680ca0bf157b

Sahu, J.K., Kim, J., Jeong, Y. and Nilsson, J. (2007) Q-switched Nd-doped depressed clad hollow optical fiber laser operating at 927nm and its frequency doubling to blue light. CLEO/Europe-IQEC 2007: Conference on Lasers and Electro-Optics: International Quantum Electronics Conference, Munich, Germany. 16 - 21 Jun 2007.

Record type: Conference or Workshop Item (Paper)

Abstract

Cladding-pumping has enabled unsurpassed scaling of the average output power of fiber lasers. However, the relatively low pump absorption compared to core-pumped fibers creates problems for three-level fiber laser at several wavelengths. One example is Nd-doped fiber lasers at ~ 930 nm. Nonlinear degradation is another problem which can even limit the pulse energies and peak powers of pulsed fibers to lower values with cladding-pumping than with core-pumping. This can be a concern for frequency-doubling in crystals such as BiB. A large core facilitates three-level operation of cladding-pumped fibers and also mitigates nonlinear degradation such as spectral broadening. In addition, it improves the energy storage as well as the damage threshold.

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Published date: June 2007
Venue - Dates: CLEO/Europe-IQEC 2007: Conference on Lasers and Electro-Optics: International Quantum Electronics Conference, Munich, Germany, 2007-06-16 - 2007-06-21

Identifiers

Local EPrints ID: 50185
URI: http://eprints.soton.ac.uk/id/eprint/50185
PURE UUID: 72912e0f-196e-416a-86e3-14b38a15c828
ORCID for J.K. Sahu: ORCID iD orcid.org/0000-0003-3560-6152
ORCID for J. Nilsson: ORCID iD orcid.org/0000-0003-1691-7959

Catalogue record

Date deposited: 31 Jan 2008
Last modified: 16 Dec 2021 02:35

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Contributors

Author: J.K. Sahu ORCID iD
Author: J. Kim
Author: Y. Jeong
Author: J. Nilsson ORCID iD

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