KYW Crystal Secrets
KYW Crystal Secrets
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, in comparison to its counterpart Yb:KGW, is actually a amazing product that performs a very important job in laser technology. Its Main function will be to deliver ultrashort pulses of sunshine, spanning just a couple hundred femtoseconds.
Femtosecond laser according to Yb:KYW crystals with suppression of spectral narrowing in a regenerative amplifier by spectral profiling of the heartbeat
FIG. four. Autocorrelation perform of the heart beat 共a兲and spectrum 共b兲of a laser with a rectangular Lively ingredient for an output ability of 700 mW. The width of
By substituting yttrium with ytterbium from the crystal lattice of Yb:KYW due to the equivalent dimensions of these chemical elements as much as 100% of Yb-doping could possibly be attained. This exclusive characteristic permits ytterbium to take the location of yttrium with just about no disruption to your crystal’s lattice.
Adhesion Exam Compliant with MIL-C-675C army expectations, an adhesion take a look at associated implementing a tape that satisfies LT-ninety technical specs onto the lens film layer. The tape was affixed completely and afterwards taken off vertically. This technique was done 3 times, leading to no blistering or peeling.
Raman, luminescence and transmission spectra expose optical options owing on the existence of thulium ions, and as a consequence the materials might be more researched within the scope of laser and luminescence programs.
A large brightnessQ-switched oscillator and regenerative amplifier depending on a dual-crystal Yb:KGW KYW Crystal laser
For tungstates, the ytterbium doping focus can be extremely higher without having major quenching since the replaced ions have an exceptionally identical ion radius, and the inter-ion length is pretty significant.
By substituting yttrium with ytterbium from the crystal lattice of Yb:KYW due to related sizes of such chemical things around 100% of Yb-doping may very well be obtained.
The thermal conductivity of prevalent double tungstates is in the get to 3–four W/(K m) �?which is not terrible in contrast with other laser crystals (although many times below for YAG), and reasonably large in comparison with the thermal conductivity of standard Eyeglasses.
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