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Applied Optics

Applied Optics


  • Vol. 40, Iss. 12 — Apr. 20, 2001
  • pp: 1957–1960

Intracavity frequency-doubled femtosecond Cr4+:forsterite laser

Tzu-Ming Liu, Shi-Peng Tai, and Chi-Kuang Sun  »View Author Affiliations

Applied Optics, Vol. 40, Issue 12, pp. 1957-1960 (2001)

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The generation of femtosecond optical pulses centered at ∼620 nm directly from an all-solid-state laser oscillator is reported. Red pulses with pulse widths of the order of 170 fs were obtained with 24-mW average power at an 81-MHz repetition rate. They were achieved by intracavity frequency doubling of a mode-locked Cr4+:forsterite laser with a 1-mm-thick β-BaB2O4 crystal. The process of laser mode locking was modified by surface coating the doubling crystal.

© 2001 Optical Society of America

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.4050) Lasers and laser optics : Mode-locked lasers
(140.5680) Lasers and laser optics : Rare earth and transition metal solid-state lasers
(190.2620) Nonlinear optics : Harmonic generation and mixing
(320.2250) Ultrafast optics : Femtosecond phenomena

Original Manuscript: June 9, 2000
Revised Manuscript: January 3, 2001
Published: April 20, 2001

Tzu-Ming Liu, Shi-Peng Tai, and Chi-Kuang Sun, "Intracavity frequency-doubled femtosecond Cr4+:forsterite laser," Appl. Opt. 40, 1957-1960 (2001)

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