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Optics Letters

Optics Letters


  • Vol. 22, Iss. 6 — Mar. 15, 1997
  • pp: 375–377

Self-suppression of axial mode hopping by intracavity second-harmonic generation

K. I. Martin, W. A. Clarkson, and D. C. Hanna  »View Author Affiliations

Optics Letters, Vol. 22, Issue 6, pp. 375-377 (1997)

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Intracavity second-harmonic generation (SHG) in a single-frequency laser has an associated loss for adjacent nonlasing modes, from sum-frequency generation, that is greater than the loss from SHG for the lasing mode. Mode hopping is thereby suppressed, as the lasing mode dominates neighboring modes. We have investigated this behavior in a Nd:YAG laser with LBO intracavity frequency doubler, obtaining frequency tuning over more than 80 axial mode spacings, without mode hopping.

© 1997 Optical Society of America

K. I. Martin, W. A. Clarkson, and D. C. Hanna, "Self-suppression of axial mode hopping by intracavity second-harmonic generation," Opt. Lett. 22, 375-377 (1997)

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