KYW Crystal No Further a Mystery
KYW Crystal No Further a Mystery
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The achieve bandwidth e.g. of Yb:KGW and Yb:KYW is very big in comparison with that of Yb:YAG. This enables for wide wavelength tunability and for Considerably shorter pulse durations from mode-locked lasers. Values effectively beneath a hundred fs are attained with passive mode locking.
This unique attribute of ultrafast pulses permits nonlinear optical interaction with tissue at low Over-all exposure, and drives purposes for instance deep-tissue multiphoton microscopy and large-precision eye surgical procedure
The Yb:KYW crystal’s proficiency in gentle absorption at all-around 981 nm helps make the crystal compatible for diode pumping. It is actually further more Increased by its outstanding effectiveness in this process, coupled with its minimal quantum defect.
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This paper describes a femtosecond laser regenerative amplifier according to two Yb:KYW crystals with direct longitudinal pumping by powerful linear arrays of semiconductor injection lasers having fiber output. To circumvent spectral narrowing all through amplification plus the corresponding lengthening on the amplified pulse when it really is compressed, a combination of two Yb:KYW crystals ended up utilised, With all the spectral maxima in the amplification shifted relative to one another and with spectral profiling on the amplified radiation.
Soon after air drying and subsequent cleaning that has a cotton cloth soaked in Liquor, the movie surface showed no indications of peeling or scratches.
PDF Yb:KGW and Yb:KYW crystals have broad emission bandwidths and therefore are applied as lasing resources to crank out ultrashort (~ 100-two hundred fs) higher electrical power pulses. Immediate pump of Yb:KGW/KYW crystals with laser diodes operating at 981 nm supports compact laser methods.
A substantial brightnessQ-switched oscillator and regenerative amplifier determined by a dual-crystal Yb:KGW laser
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... Not merely the position of crystal during the cavity but also the amplification axis of crystal affects the laser operation significantly, because the absorption and emission cross sections of the crystal are quite various according to the orientation of the crystal.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) as compared to its counterpart Yb:KGW, is a remarkable material that performs a very important job in laser click here know-how. Its Principal perform is to generate ultrashort pulses of light, spanning only a few hundred femtoseconds.
Check with RP Photonics for just about any assistance concerning tungstate lasers, which include femtosecond lasers and higher-ability lasers.