An extended cavity femtosecond Cr:LiSAF laser pumped by low cost diode lasers

Rohit Prativadi Prasankumar; Y. Hirakawa; A. M. Kowalevicz; F. X. Kaertner; J. G. Fujimoto; W. H. Knox

doi:10.1364/OE.11.001265

An extended cavity femtosecond Cr:LiSAF laser pumped by low cost diode lasers

Rohit Prativadi Prasankumar
, Y. Hirakawa
, A. M. Kowalevicz
, F. X. Kaertner
, J. G. Fujimoto
, W. H. Knox

Los Alamos National Laboratory

Research output: Contribution to journal › Article › peer-review

22 Scopus citations

Abstract

We describe an extended cavity femtosecond Cr:LiSAF laser pumped by inexpensive single spatial mode diodes. Using a multi-pass cavity (MPC) to lower the repetition rate and a saturable Bragg reflector (SBR) for mode-locking, pulse energies of 0.75 nJ at a repetition rate of 8.6 MHz are achieved with durations of 39 fs and bandwidths of 20 nm in a prismless configuration. Pulse energies of 0.66 nJ at a repetition rate of 8.4 MHz with durations of 43 fs and bandwidths of 18.5 nm are generated using prisms for dispersion compensation. This laser offers performance approaching that of standard Ti:sapphire lasers at a fraction of the cost.

Original language	English
Pages (from-to)	1265-1269
Number of pages	5
Journal	Optics Express
Volume	11
Issue number	11
DOIs	https://doi.org/10.1364/OE.11.001265
State	Published - Jun 2003

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abstract = "We describe an extended cavity femtosecond Cr:LiSAF laser pumped by inexpensive single spatial mode diodes. Using a multi-pass cavity (MPC) to lower the repetition rate and a saturable Bragg reflector (SBR) for mode-locking, pulse energies of 0.75 nJ at a repetition rate of 8.6 MHz are achieved with durations of 39 fs and bandwidths of 20 nm in a prismless configuration. Pulse energies of 0.66 nJ at a repetition rate of 8.4 MHz with durations of 43 fs and bandwidths of 18.5 nm are generated using prisms for dispersion compensation. This laser offers performance approaching that of standard Ti:sapphire lasers at a fraction of the cost.",

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AU - Prasankumar, Rohit Prativadi

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AU - Kowalevicz, A. M.

AU - Kaertner, F. X.

AU - Fujimoto, J. G.

AU - Knox, W. H.

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N2 - We describe an extended cavity femtosecond Cr:LiSAF laser pumped by inexpensive single spatial mode diodes. Using a multi-pass cavity (MPC) to lower the repetition rate and a saturable Bragg reflector (SBR) for mode-locking, pulse energies of 0.75 nJ at a repetition rate of 8.6 MHz are achieved with durations of 39 fs and bandwidths of 20 nm in a prismless configuration. Pulse energies of 0.66 nJ at a repetition rate of 8.4 MHz with durations of 43 fs and bandwidths of 18.5 nm are generated using prisms for dispersion compensation. This laser offers performance approaching that of standard Ti:sapphire lasers at a fraction of the cost.

AB - We describe an extended cavity femtosecond Cr:LiSAF laser pumped by inexpensive single spatial mode diodes. Using a multi-pass cavity (MPC) to lower the repetition rate and a saturable Bragg reflector (SBR) for mode-locking, pulse energies of 0.75 nJ at a repetition rate of 8.6 MHz are achieved with durations of 39 fs and bandwidths of 20 nm in a prismless configuration. Pulse energies of 0.66 nJ at a repetition rate of 8.4 MHz with durations of 43 fs and bandwidths of 18.5 nm are generated using prisms for dispersion compensation. This laser offers performance approaching that of standard Ti:sapphire lasers at a fraction of the cost.

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An extended cavity femtosecond Cr:LiSAF laser pumped by low cost diode lasers

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