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Efficient single-axial-mode operation of a Ho:YAG ring laser pumped by a Tm-doped silica fiber laser

Efficient single-axial-mode operation of a Ho:YAG ring laser pumped by a Tm-doped silica fiber laser
Efficient single-axial-mode operation of a Ho:YAG ring laser pumped by a Tm-doped silica fiber laser
Efficient single-frequency operation of a Ho:YAG ring laser at room temperature with a traveling-wave TeO2 acousto-optic modulator to enforce unidirectional operation is reported. By use of a 2-at.% Ho3+-doped 10-mm-long Ho:YAG rod, end pumped by a cladding-pumped tunable Tm-doped silica fiber operating at 1.9 µm, the Ho:YAG ring laser yielded 3.7 W of single-frequency output at 2.1 µm in a diffraction-limited TEM_00 beam with M2 < 1.1 for an incident pump power of 8.8 W. The rf power required for unidirectional operation was 0.3 W and corresponded to an increase in cavity loss for the lasing direction (due to diffraction) of only 0.5%. The prospects for further improvement in efficiency are discussed.
0146-9592
2396-2398
Shen, D.Y.
f9a1bd01-6f5c-428a-83fb-3a8b2dadbaad
Clarkson, W.A.
3b060f63-a303-4fa5-ad50-95f166df1ba2
Cooper, L.J.
249c1748-92f2-42aa-9cbc-0e4f5dcc3bf9
Williams, R.B.
1d172577-abdb-4589-8ded-153cf6732c20
Shen, D.Y.
f9a1bd01-6f5c-428a-83fb-3a8b2dadbaad
Clarkson, W.A.
3b060f63-a303-4fa5-ad50-95f166df1ba2
Cooper, L.J.
249c1748-92f2-42aa-9cbc-0e4f5dcc3bf9
Williams, R.B.
1d172577-abdb-4589-8ded-153cf6732c20

Shen, D.Y., Clarkson, W.A., Cooper, L.J. and Williams, R.B. (2004) Efficient single-axial-mode operation of a Ho:YAG ring laser pumped by a Tm-doped silica fiber laser. Optics Letters, 29 (20), 2396-2398. (doi:10.1364/OL.29.002396).

Record type: Article

Abstract

Efficient single-frequency operation of a Ho:YAG ring laser at room temperature with a traveling-wave TeO2 acousto-optic modulator to enforce unidirectional operation is reported. By use of a 2-at.% Ho3+-doped 10-mm-long Ho:YAG rod, end pumped by a cladding-pumped tunable Tm-doped silica fiber operating at 1.9 µm, the Ho:YAG ring laser yielded 3.7 W of single-frequency output at 2.1 µm in a diffraction-limited TEM_00 beam with M2 < 1.1 for an incident pump power of 8.8 W. The rf power required for unidirectional operation was 0.3 W and corresponded to an increase in cavity loss for the lasing direction (due to diffraction) of only 0.5%. The prospects for further improvement in efficiency are discussed.

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Published date: 2004

Identifiers

Local EPrints ID: 16074
URI: https://eprints.soton.ac.uk/id/eprint/16074
ISSN: 0146-9592
PURE UUID: cabce950-98a6-4f41-bf3c-fd34bd23cf16

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Date deposited: 20 Jun 2005
Last modified: 15 Jul 2019 19:31

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Contributors

Author: D.Y. Shen
Author: W.A. Clarkson
Author: L.J. Cooper
Author: R.B. Williams

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