How KYW Crystal can Save You Time, Stress, and Money.
How KYW Crystal can Save You Time, Stress, and Money.
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The comparison with glasses is suitable Because the big obtain bandwidth permits e.g. tungstate femtosecond lasers and tunable lasers to compete with glass lasers.
Femtosecond laser dependant on Yb:KYW crystals with suppression of spectral narrowing within a regenerative amplifier by spectral profiling of the heartbeat
The absorption and emission spectra of Yb:KYW Crystals Display screen powerful peaks at 980 nm and 1030 nm, respectively, making sure productive Power conversion and substantial efficiency in laser units.
By substituting yttrium with ytterbium from the crystal lattice of Yb:KYW because of the equivalent measurements of those chemical features as much as 100% of Yb-doping could possibly be reached. This exclusive characteristic permits ytterbium to go ahead and take position of yttrium with pretty much no disruption to the crystal’s lattice.
The monoclinic crystal constructions leads to a all-natural birefringence, helping to stay clear of thermally induced polarization rotation and depolarization decline.
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Tungstates tend to get substantial Raman coefficients (�?Raman scattering). Therefore, they are able to create sizeable Raman achieve at moderate optical intensities. It can be done to utilize the laser crystal alone to be a Raman converter.
For tungstates, the ytterbium doping concentration can be extremely higher with no significant quenching since the changed ions have an exceedingly equivalent ion radius, plus the inter-ion length is relatively huge.
By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW due to the similar dimensions of these chemical things approximately one hundred% of Yb-doping may be achieved.
The thermal conductivity of widespread double tungstates is on the get to three–four W/(K m) �?which isn't lousy compared with other laser crystals (Though numerous moments a lot less than for YAG), and rather massive in comparison With all the thermal conductivity of regular glasses.
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