The Ultimate Guide To KYW Crystal
The Ultimate Guide To KYW Crystal
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The achieve bandwidth e.g. of Yb:KGW and Yb:KYW is very huge when compared with that of Yb:YAG. This enables for large wavelength tunability and for A lot shorter pulse durations from method-locked lasers. Values very well down below a hundred fs have been accomplished with passive mode locking.
This special characteristic of ultrafast pulses allows nonlinear optical conversation with tissue at very low All round exposure, and drives programs including deep-tissue multiphoton microscopy and high-precision eye surgery
We present a dual-crystal Yb:KGW laserthat iscapable to work for a Q-switched oscillator with output electric power nearly 24 W and pulse size of twenty ns,or being a regenerative amplifier with output electrical power around 21 W and pulse duration down below two hundred fs soon after compression of chirped pulses. The two lasers have outstanding beam high quality with beam parameter M2
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This paper describes a femtosecond laser regenerative amplifier according to two Yb:KYW crystals with direct longitudinal pumping by impressive linear arrays of semiconductor injection lasers owning fiber output. To forestall spectral narrowing through amplification plus the corresponding lengthening of your amplified pulse when it is actually compressed, a combination of two Yb:KYW crystals were applied, Together with the spectral maxima of the amplification shifted relative to one another and with spectral profiling in the amplified radiation.
In advance of the event of Nd:YAG, Nd3+:CaWO4 was a vital uncommon-earth-doped laser get medium. It was in reality Employed in the initial repeatedly operating crystal laser.
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Spatial composition with the beam plus the corresponding intensity profiles I on the output from the laser.
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By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW due to the equivalent dimensions of these chemical things around a hundred% of Yb-doping might be realized.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) in comparison to its counterpart Yb:KGW, is really a outstanding material that performs a significant position in laser technological innovation. Its Principal operate is always to generate ultrashort pulses of sunshine, spanning just a couple hundred femtoseconds.
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