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A Viable Commercial Alternative to the Ti:Sapphire Laser?

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Chromium-doped colquiriites can be pumped with inexpensive diodes.

Breck Hitz

The venerable Ti:sapphire laser has always been the workhorse of ultrafast technology, but it is an expensive beast, partly because it requires expensive green pump lasers. Cr3+-doped colquiriites (Cr:LiSAF, Cr:LiSGaF and Cr:LiCAF) also can be mode-locked to produce femtosecond pulses in the ∼800-nm region, and these lasers can be pumped with relatively inexpensive red diode lasers. Most of the work to date has been done with Cr:LiSAF, but that material’s low thermal conductivity has limited its output, in most cases to less than 100 mW. Using an unusual resonator design and a very thin...Read full article

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    Published: February 2008
    Cr:LiSAF laserdiode lasersgreen pump lasersResearch & TechnologyTi:sapphire laserLasers

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