KYW Crystal No Further a Mystery

KYW Crystal No Further a Mystery

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We current a dual-crystal Yb:KGW laserthat iscapable to operate like a Q-switched oscillator with output electric power as many as 24 W and pulse length of 20 ns,or as a regenerative amplifier with output power as much as 21 W and pulse period down below two hundred fs soon after compression of chirped pulses. Equally lasers have exceptional beam top quality with beam parameter M2

Coloration-coded reflectivity of the Bragg mirror as a perform of wavelength and angle in the incident beam.

This paper describes a femtosecond laser regenerative amplifier based on two Yb:KYW crystals with immediate longitudinal pumping by highly effective linear arrays of semiconductor injection lasers acquiring fiber output. To circumvent spectral narrowing all through amplification plus the corresponding lengthening on the amplified pulse when it's compressed, a mix of two Yb:KYW crystals have been used, While using the spectral maxima on the amplification shifted relative to one another and with spectral profiling on the amplified radiation.

Prior to the development of Nd:YAG, Nd3+:CaWO4 was a vital rare-earth-doped laser achieve medium. It absolutely was actually Utilized in the 1st continuously running crystal laser.

FIG. 1. Optical read more structure of a laser with immediate pumping Using the radiation of semiconductor injection lasers. LD is an IPG Photonics laser diode with fiber output

A large brightnessQ-switched oscillator and regenerative amplifier determined by a dual-crystal Yb:KGW laser

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Large-ability repetitively pulsed ytterbium lasers with supershort pulse width and immediate diode pumping for technological and biomedical applications

Whilst ytterbium-doped laser achieve media frequently show a little quantum defect, ytterbium-doped tungstates make it possible for for significantly modest values. By way of example, a 1030-nm Yb:YAG laser would Commonly be pumped all around 940 nm, While Yb:KGW or Yb:KYW could possibly be most effectively pumped around 981 nm.

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Check with RP Photonics for just about any advice relating to tungstate lasers, such as femtosecond lasers and significant-electrical power lasers.