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Optics Letters

Optics Letters


  • Vol. 21, Iss. 2 — Jan. 15, 1996
  • pp: 128–130

Alexandrite-pumped alexandrite regenerative amplifier for femtosecond pulse amplification

A. Hariharan, M. E. Fermann, M. L. Stock, D. J. Harter, and Jeff Squier  »View Author Affiliations

Optics Letters, Vol. 21, Issue 2, pp. 128-130 (1996)

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We demonstrate a regenerative amplifier incorporating alexandrite as the gain medium that is pumped by an alexandrite laser. Temperature-altered gain permitted the 728-nm alexandrite pump laser, operating at room temperature, to pump a 780–800-nm alexandrite laser that was maintained at elevated temperatures. 200-fs pulses from a Ti:sapphire oscillator were amplified to the millijoule level. This system also amplified femtosecond pulses from a frequency-doubled Er-doped fiber laser.

© 1996 Optical Society of America

Original Manuscript: September 7, 1995
Published: January 15, 1996

A. Hariharan, Jeff Squier, M. E. Fermann, M. L. Stock, and D. J. Harter, "Alexandrite-pumped alexandrite regenerative amplifier for femtosecond pulse amplification," Opt. Lett. 21, 128-130 (1996)

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