Rumored Buzz on KYW Crystal
Rumored Buzz on KYW Crystal
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The comparison with glasses is acceptable Considering that the massive gain bandwidth will allow e.g. tungstate femtosecond lasers and tunable lasers to contend with glass lasers.
Femtosecond laser according to Yb:KYW crystals with suppression of spectral narrowing inside of a regenerative amplifier by spectral profiling of the pulse
FIG. four. Autocorrelation function of the pulse 共a兲and spectrum 共b兲of the laser with a rectangular Energetic element for an output electrical power of seven-hundred mW. The width of
By substituting yttrium with ytterbium in the crystal lattice of Yb:KYW as a result of very similar dimensions of such chemical elements as much as 100% of Yb-doping may be realized. This exceptional attribute permits ytterbium to go ahead and take area of yttrium with almost no disruption for the crystal’s lattice.
Adhesion Exam Compliant with MIL-C-675C military benchmarks, an adhesion check included making use of a tape that satisfies LT-90 requirements on to the lens movie layer. The tape was affixed thoroughly and then removed vertically. This procedure was performed thrice, leading to no blistering or peeling.
Raman, luminescence and transmission spectra reveal optical characteristics owing into the existence of thulium ions, and thus the components may be even further examined during the scope of laser and luminescence purposes.
Tungstates are inclined to have large Raman coefficients (�?Raman scattering). Hence, they can make major Raman get at reasonable optical intensities. It is possible to utilize the laser crystal alone for a Raman converter.
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... Not only the place of crystal inside the cavity but in addition the amplification axis of crystal website influences the laser operation drastically, since the absorption and emission cross sections from the crystal are really various according to the orientation of the crystal.
The thermal conductivity of widespread double tungstates is from the purchase to three–4 W/(K m) �?which is not lousy in comparison with other laser crystals (although many times below for YAG), and fairly massive as opposed With all the thermal conductivity of regular Eyeglasses.
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Ask RP Photonics for almost any suggestions about tungstate lasers, like femtosecond lasers and high-electricity lasers.