Rumored Buzz on KYW Crystal
Rumored Buzz on KYW Crystal
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The gain bandwidth e.g. of Yb:KGW and Yb:KYW is rather big when compared with that of Yb:YAG. This allows for extensive wavelength tunability and for A lot shorter pulse durations from method-locked lasers. Values well beneath one hundred fs have already been obtained with passive manner locking.
This exceptional characteristic of ultrafast pulses enables nonlinear optical conversation with tissue at very low Total exposure, and drives purposes for instance deep-tissue multiphoton microscopy and significant-precision eye operation
time. Crystals of your compound melts congruently at 1007 oC, however soften crystallization of top quality crystal is extremely hard on account of section changeover at ~920 oC. The top seeded Resolution process from
The absorption and emission spectra of Yb:KYW Crystals Show solid peaks at 980 nm and 1030 nm, respectively, making sure efficient energy conversion and significant efficiency in laser devices.
By substituting yttrium with ytterbium while in the crystal lattice of Yb:KYW due to the equivalent measurements of those chemical things nearly a hundred% of Yb-doping could be obtained. This one of a kind characteristic permits ytterbium to take the spot of yttrium with just about no disruption to your crystal’s lattice.
The monoclinic crystal constructions leads to a organic birefringence, helping to avoid thermally induced polarization rotation and depolarization decline.
PDF Yb:KGW and Yb:KYW crystals have broad emission bandwidths and therefore are utilized as lasing materials to deliver ultrashort (~ a hundred-200 fs) high ability pulses. Direct pump of Yb:KGW/KYW crystals with laser diodes operating at 981 nm supports compact laser devices.
Tungstates are inclined to have higher Raman coefficients (�?Raman scattering). For that reason, they might generate considerable Raman obtain at reasonable optical intensities. It is achievable to make use of the laser crystal check here alone to be a Raman converter.
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... Don't just the posture of crystal during the cavity but in addition the amplification axis of crystal affects the laser operation significantly, as the absorption and emission cross sections of your crystal are rather distinct based on the orientation of the crystal.
The thermal conductivity of prevalent double tungstates is with the buy to three–4 W/(K m) �?which is not undesirable when compared with other laser crystals (While various occasions less than for YAG), and pretty massive as opposed With all the thermal conductivity of standard glasses.
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