Details, Fiction and KYW Crystal
Details, Fiction and KYW Crystal
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, in comparison with its counterpart Yb:KGW, is a exceptional product that performs an essential part in laser technological know-how. Its primary perform is usually to crank out ultrashort pulses of light, spanning only a few hundred femtoseconds.
We existing a dual-crystal Yb:KGW laserthat iscapable to operate being a Q-switched oscillator with output electrical power nearly 24 W and pulse duration of 20 ns,or as being a regenerative amplifier with output electrical power approximately 21 W and pulse length underneath two hundred fs immediately after compression of chirped pulses. Both of those lasers have fantastic beam quality with beam parameter M2
The absorption and emission spectra of Yb:KYW Crystals Screen strong peaks at 980 nm and 1030 nm, respectively, making certain effective Strength conversion and significant general performance in laser systems.
This paper describes a femtosecond laser regenerative amplifier according to two Yb:KYW crystals with immediate longitudinal pumping by impressive linear arrays of semiconductor injection lasers acquiring fiber output. To forestall spectral narrowing throughout amplification and also the corresponding lengthening from the amplified pulse when it can be compressed, a combination of two Yb:KYW crystals had been utilised, Along with the spectral maxima with the amplification shifted relative to each other and with spectral profiling from the amplified radiation.
Adhesion Examination Compliant with MIL-C-675C military services requirements, an adhesion examination included making use of a tape that fulfills LT-ninety technical specs on to the lens film layer. The tape was affixed entirely after which you can taken out vertically. This course of action was performed three times, resulting in no blistering or peeling.
Raman, luminescence and transmission spectra expose optical options owing to the presence of thulium ions, and so the elements may be even further examined during the scope of laser and luminescence purposes.
A high brightnessQ-switched oscillator and regenerative amplifier based on a dual-crystal Yb:KGW laser
... at 50 percent-peak had been created within a master oscillator with selfsynchronization of your axial modes, described inside our previously article. 21 The new edition in the laser, in contrast to that explained inside our previously posting, employed an Yb:KYW crystal having an N pcut (optical axis N p in the index ellipsoid was parallel into the propagation path of the laser radiation), Along with the polarization of the generated radiation directed alongside the N m axis.
By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW due to the very similar measurements of such chemical factors approximately a hundred% of Yb-doping may very well be attained.
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Ask RP Photonics for virtually any tips concerning tungstate lasers, together with femtosecond lasers and substantial-energy lasers.