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Applied Optics

Applied Optics


  • Vol. 36, Iss. 30 — Oct. 20, 1997
  • pp: 8051–8055

Control of the thermal lensing effect with different pump light distributions

Jie Song, Anping Liu, Kazunori Okino, and Ken-ichi Ueda  »View Author Affiliations

Applied Optics, Vol. 36, Issue 30, pp. 8051-8055 (1997)

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We built a 32-laser-diode-formed virtual point source pumping system and achieved different pump light distributions from central intense to central uniform and central depressed. Continuous wave TEM00 operations of a Nd:YAG laser were performed under these pump light distributions and their thermal lensing effects were estimated. Results show that the operation under central depressed pump light distribution has the lowest thermal lensing effect and can provide the highest output power, which agrees with the results derived from the theoretical calculation with the heat conduction equation.

© 1997 Optical Society of America

Original Manuscript: December 12, 1996
Revised Manuscript: March 24, 1997
Published: October 20, 1997

Jie Song, Anping Liu, Kazunori Okino, and Ken-ichi Ueda, "Control of the thermal lensing effect with different pump light distributions," Appl. Opt. 36, 8051-8055 (1997)

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