An Unbiased View of KYW Crystal
An Unbiased View of 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 allows for huge wavelength tunability and for much shorter pulse durations from mode-locked lasers. Values effectively beneath 100 fs are already realized with passive manner locking.
This distinctive characteristic of ultrafast pulses permits nonlinear optical conversation with tissue at minimal General publicity, and drives apps like deep-tissue multiphoton microscopy and superior-precision eye operation
time. Crystals of the compound melts congruently at 1007 oC, having said that soften crystallization of high quality crystal is impossible as a consequence of stage changeover at ~920 oC. The very best seeded solution approach from
The absorption and emission spectra of Yb:KYW Crystals Display screen strong peaks at 980 nm and 1030 nm, respectively, ensuring effective Vitality conversion and significant overall performance in laser techniques.
By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW a result of the identical dimensions of such chemical elements as much as a hundred% of Yb-doping could be accomplished. This special characteristic permits ytterbium to go ahead and take position of yttrium with pretty much no disruption into the crystal’s lattice.
The monoclinic crystal structures brings about a purely natural birefringence, assisting to prevent thermally induced polarization rotation and depolarization reduction.
Raman, luminescence and transmission spectra expose optical attributes owing on the existence of thulium ions, and for that reason the materials might be additional researched inside the scope of laser and luminescence applications.
A high brightnessQ-switched oscillator and regenerative amplifier according to a twin-crystal Yb:KGW laser
For tungstates, the ytterbium doping concentration can be extremely higher devoid of substantial quenching because the replaced ions have an exceptionally equivalent ion radius, plus the inter-ion length is relatively huge.
By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW mainly because of the very similar measurements of these chemical features as many as 100% of Yb-doping could check here be realized.
The thermal conductivity of prevalent double tungstates is in the get to 3–four W/(K m) �?which is not lousy in comparison with other laser crystals (although various occasions below for YAG), and relatively substantial in contrast Using the thermal conductivity of normal Eyeglasses.
Li2WO4-WO3 flux was efficiently utilized lessening the growth temperature beneath 900 oC. As outlined by one crystal x-ray measurements, the crystal corresponds towards the P2/n Area group.
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Check with RP Photonics for just about any advice relating to tungstate lasers, which includes femtosecond lasers and high-electric power lasers.