Top KYW Crystal Secrets
Top KYW Crystal Secrets
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, when compared with its counterpart Yb:KGW, is a impressive content that performs an important job in laser technology. Its Main function would be to generate ultrashort pulses of sunshine, spanning just a couple hundred femtoseconds.
We current a dual-crystal Yb:KGW laserthat iscapable to operate like a Q-switched oscillator with output electricity as many as 24 W and pulse size of 20 ns,or for a regenerative amplifier with output electric power as many as 21 W and pulse length under 200 fs following compression of chirped pulses. Both lasers have excellent beam high-quality with beam parameter M2
The absorption and emission spectra of Yb:KYW Crystals Display screen robust peaks at 980 nm and 1030 nm, respectively, making certain productive Electricity conversion and higher functionality in laser programs.
This paper describes a femtosecond laser regenerative amplifier according to two Yb:KYW crystals with immediate longitudinal pumping by highly effective linear arrays of semiconductor injection lasers acquiring fiber output. To avoid spectral narrowing for the duration of amplification as well as the corresponding lengthening from the amplified pulse when it is compressed, a mix of two Yb:KYW crystals were being made use of, While using the spectral maxima with the amplification shifted relative to each other and with spectral profiling with the amplified radiation.
Adhesion Test Compliant with MIL-C-675C army expectations, an adhesion exam associated implementing a tape that satisfies LT-ninety technical specs on to the lens movie layer. The tape was affixed absolutely then removed vertically. This process was performed thrice, causing no blistering or peeling.
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Spatial composition with the beam plus the corresponding depth profiles I on the output from the laser.
For tungstates, the ytterbium doping focus can be very significant without having sizeable quenching because the replaced ions have an exceptionally similar ion radius, as well as the inter-ion length is pretty large.
However, after Nd3+:YAG turned commercially accessible, the curiosity in CaWO4 dropped sharply. In later on yrs, certain other tungstate crystals started to appeal to a great deal get more info of notice.
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Li2WO4-WO3 flux was productively used minimizing The expansion temperature beneath 900 oC. As outlined by one crystal x-ray measurements, the crystal corresponds to the P2/n Area group.
The polarized absorption spectra of Tm3+-doped potassium yttrium tungstate (Tm:KY(WO4)2) crystal at area temperature were being calculated. The emission spectrum and lifetime in the 3 F 4 energized point out were determined. Making use of common and modified Judd–Ofelt theories, the depth parameters plus the radiative lifetimes were being calculated and superior settlement with the experimental results was obtained for each theories.
Request RP Photonics for any information relating to tungstate lasers, which includes femtosecond lasers and superior-electricity lasers.