KYW Crystal No Further a Mystery
KYW Crystal No Further a Mystery
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The acquire bandwidth e.g. of Yb:KGW and Yb:KYW is extremely significant when compared with that of Yb:YAG. This allows for extensive wavelength tunability and for Considerably shorter pulse durations from mode-locked lasers. Values perfectly underneath 100 fs are actually reached with passive mode locking.
The comparison with Eyeglasses is appropriate Considering that the significant achieve bandwidth will allow e.g. tungstate femtosecond lasers and tunable lasers to contend with glass lasers.
We current a twin-crystal Yb:KGW laserthat iscapable to function for a Q-switched oscillator with output power approximately 24 W and pulse duration of twenty ns,or being a regenerative amplifier with output electric power as much as 21 W and pulse period under 200 fs soon after compression of chirped pulses. Both lasers have superb beam good quality with beam parameter M2
The absorption and emission spectra of Yb:KYW Crystals Screen potent peaks at 980 nm and 1030 nm, respectively, making certain economical energy conversion and significant efficiency in laser programs.
This paper describes a femtosecond laser regenerative amplifier according to two Yb:KYW crystals with direct longitudinal pumping by potent linear arrays of semiconductor injection lasers acquiring fiber output. To prevent spectral narrowing during amplification and also the corresponding lengthening from the amplified pulse when it's compressed, a mix of two Yb:KYW crystals were being utilized, Using the spectral maxima of the amplification shifted relative to one another and with spectral profiling with the amplified radiation.
Prior to the event of Nd:YAG, Nd3+:CaWO4 was a very important exceptional-earth-doped laser achieve medium. It absolutely was in truth Employed in the 1st constantly running crystal laser.
PDF Yb:KGW and Yb:KYW crystals have broad emission bandwidths and therefore are used click here as lasing components to deliver ultrashort (~ a hundred-two hundred fs) high power pulses. Immediate pump of Yb:KGW/KYW crystals with laser diodes functioning at 981 nm supports compact laser programs.
A superior brightnessQ-switched oscillator and regenerative amplifier dependant on a dual-crystal Yb:KGW laser
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Substantial-energy repetitively pulsed ytterbium lasers with supershort pulse width and immediate diode pumping for technological and biomedical applications
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Li2WO4-WO3 flux was properly applied cutting down The expansion temperature underneath 900 oC. As outlined by one crystal x-ray measurements, the crystal corresponds towards the P2/n Room team.
Yb:KYW crystal (Yb-doped potassium yttrium tungstate) in comparison with its counterpart Yb:KGW, is actually a exceptional content that plays a crucial part in laser technological innovation. Its Principal operate is always to create ultrashort pulses of light, spanning only a few hundred femtoseconds.
Request RP Photonics for virtually any information regarding tungstate lasers, like femtosecond lasers and high-electrical power lasers.