KYW Crystal - An Overview
KYW Crystal - An Overview
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The comparison with glasses is appropriate Considering that the significant get bandwidth makes it possible for e.g. tungstate femtosecond lasers and tunable lasers to compete with glass lasers.
We existing a twin-crystal Yb:KGW laserthat iscapable to work to be a Q-switched oscillator with output power around 24 W and pulse length of 20 ns,or being a regenerative amplifier with output electric power as many as 21 W and pulse length under 200 fs following compression of chirped pulses. Each lasers have excellent beam quality with beam parameter M2
Colour-coded reflectivity of the Bragg mirror as a perform of wavelength and angle of your incident beam.
Optical layout of a laser with immediate pumping with the radiation of semiconductor injection lasers. LD can be an IPG Photonics laser diode with fiber output with the radiation, WP is actually a fifty percent-wave plate, CL is really a collimating lens, FL is actually a concentrating lens, AE is surely an active component constructed from an Yb:KYW crystal, DM is a spherical dichroic mirror, M1-M6 will be the cavity mirrors, OC could be the output mirror, and SAM is a semiconductor saturable-absorber mirror.
Adhesion Test Compliant with MIL-C-675C armed forces benchmarks, an adhesion test concerned making use of a tape that meets LT-ninety technical specs on to the lens movie layer. The tape was affixed absolutely and then eliminated vertically. This method was carried out thrice, leading to no blistering or peeling.
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A high brightnessQ-switched oscillator and regenerative amplifier according to a dual-crystal Yb:KGW laser
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... Don't just the place of crystal while in the cavity but will also the amplification axis of crystal influences the laser Procedure considerably, because the absorption and emission cross sections in the crystal are quite unique in accordance with the orientation with the crystal.
Although ytterbium-doped laser get media normally show a little quantum defect, ytterbium-doped tungstates permit for particularly compact values. By way of example, a 1030-nm Yb:YAG laser would Usually be pumped around 940 nm, whereas Yb:KGW or Yb:KYW may be most effectively pumped all-around 981 nm.
This tandem of attributes has considerably-achieving implications, significantly in the development of compact yet powerfull lasers.
The polarized absorption spectra of Tm3+-doped potassium yttrium tungstate (Tm:KY(WO4)2) crystal at place temperature were being measured. The emission spectrum and lifetime with the three File four thrilled state ended up identified. Utilizing normal and modified Judd–Ofelt theories, the intensity parameters along with the radiative lifetimes ended up calculated and superior settlement While using the experimental results was obtained for both of those theories.
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