Top KYW Crystal Secrets
Top KYW Crystal Secrets
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The achieve bandwidth e.g. of Yb:KGW and Yb:KYW may be very large compared with that of Yb:YAG. This allows for extensive wavelength tunability and for A great deal shorter pulse durations from manner-locked lasers. Values nicely beneath one hundred fs are reached with passive method locking.
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We present a twin-crystal Yb:KGW laserthat iscapable to work as a Q-switched oscillator with output electrical power around 24 W and pulse duration of 20 ns,or for a regenerative amplifier with output energy as many as 21 W and pulse duration under two hundred fs soon after compression of chirped pulses. Equally lasers have excellent beam quality with beam parameter M2
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This paper describes a femtosecond laser regenerative amplifier determined by two Yb:KYW crystals with direct longitudinal pumping by potent linear arrays of semiconductor injection lasers getting fiber output. To prevent spectral narrowing during amplification and the corresponding lengthening with the amplified pulse when it truly is compressed, a combination of two Yb:KYW crystals were being used, While using the spectral maxima on the amplification shifted relative to each other and with spectral profiling of the amplified radiation.
Ahead of the event of Nd:YAG, Nd3+:CaWO4 was an important scarce-earth-doped laser obtain medium. It was actually Utilized in the main constantly working crystal laser.
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A significant brightnessQ-switched oscillator and regenerative amplifier based on a dual-crystal Yb:KGW laser
... at fifty percent-peak were being generated in a very master oscillator with selfsynchronization of your axial modes, described in our earlier report. 21 The new version with the laser, not like that described within our previously post, applied an Yb:KYW crystal with the N pcut (optical axis N p with the index ellipsoid was parallel on the propagation direction on the laser radiation), Using the polarization click here on the created radiation directed along the N m axis.
... Don't just the position of crystal from the cavity but additionally the amplification axis of crystal impacts the laser operation significantly, because the absorption and emission cross sections from the crystal are fairly various according to the orientation of your crystal.
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Request RP Photonics for any assistance concerning tungstate lasers, together with femtosecond lasers and substantial-power lasers.