Not known Details About KYW Crystal
Not known Details About KYW Crystal
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In sensible terms, the Yb:KYW crystal has discovered its market in higher-electric power laser apps as a consequence of its power to crank out higher Electrical power ultrashort laser pulses although maintaining a compact measurement. The interaction of its functions �?seamless ytterbium substitution, potent absorption qualities, ultrashort pulse technology and efficiency in energy conversion �?positions the Yb:KYW crystal like a cornerstone during the laser engineering, covering assorted fields starting from scientific investigate to industrial programs.
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time. Crystals from the compound melts congruently at 1007 oC, nevertheless soften crystallization of top quality crystal is not possible due to section transition at ~920 oC. The best seeded Resolution technique from
FIG. four. Autocorrelation perform of the heart beat 共a兲and spectrum 共b兲of a laser with a rectangular Energetic ingredient for an output electricity of seven-hundred mW. The width of
By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW mainly because of the similar sizes of these chemical factors as many as a hundred% of Yb-doping may be obtained. This one of a kind attribute permits ytterbium to go ahead and take position of yttrium with just about no disruption to your crystal’s lattice.
Adhesion Check Compliant with MIL-C-675C armed service benchmarks, an adhesion test concerned applying a tape that meets LT-90 specifications onto the lens movie layer. The tape was affixed absolutely and after that eliminated vertically. This method was carried out three times, resulting in no blistering or peeling.
Raman, luminescence and transmission spectra expose optical characteristics owing for the presence of thulium ions, and thus the products could possibly be additional studied during the scope of laser and more info luminescence apps.
A large brightnessQ-switched oscillator and regenerative amplifier based on a twin-crystal Yb:KGW laser
... at 50 percent-height ended up generated inside of a grasp oscillator with selfsynchronization on the axial modes, described within our before write-up. 21 The new edition in the laser, unlike that described inside our earlier report, made use of an Yb:KYW crystal using an N pcut (optical axis N p of your index ellipsoid was parallel towards the propagation course of the laser radiation), With all the polarization with the created radiation directed along the N m axis.
... Not simply the situation of crystal while in the cavity but in addition the amplification axis of crystal impacts the laser operation enormously, since the absorption and emission cross sections in the crystal are fairly distinctive based on the orientation with the crystal.
The thermal conductivity of typical double tungstates is with the order to 3–four W/(K m) �?which isn't bad in comparison with other laser crystals (Whilst numerous periods less than for YAG), and pretty massive as opposed with the thermal conductivity of common glasses.
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Talk to RP Photonics for just about any advice relating to tungstate lasers, including femtosecond lasers and substantial-power lasers.