KYW Crystal - An Overview
KYW Crystal - An Overview
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, when compared with its counterpart Yb:KGW, is actually a extraordinary content that performs an essential job in laser technological innovation. Its primary operate should be to create ultrashort pulses of sunshine, spanning just some hundred femtoseconds.
The Yb:KYW crystal’s proficiency in gentle absorption at all around 981 nm would make the crystal like minded for diode pumping. It is actually more Increased by its exceptional performance in this process, coupled with its minimal quantum defect.
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Ultrafast lasers, with pulse widths of some picoseconds (10−12 s) or a lot less, permit time resolution essential in laser-psyched fluorescence life time spectroscopy and imaging tactics.In addition, they produce substantial pulse peak powers at substantial repetition rates and average regular output powers.
Adhesion Test Compliant with MIL-C-675C armed forces requirements, an adhesion take a look at included implementing a tape that meets LT-ninety specifications onto the lens film layer. The tape was affixed entirely after which eliminated vertically. This procedure was done three times, leading to no blistering or peeling.
PDF Yb:KGW and Yb:KYW crystals have wide emission bandwidths and so are utilised as lasing products to generate ultrashort (~ a hundred-200 fs) superior ability pulses. Direct pump of Yb:KGW/KYW crystals with laser diodes operating at 981 nm supports compact laser systems.
A significant brightnessQ-switched oscillator and regenerative amplifier based upon a twin-crystal Yb:KGW laser
... at fifty percent-peak have been generated inside a grasp oscillator with selfsynchronization of your axial modes, described in our previously report. 21 The new version on the laser, unlike that explained inside our before article, used an Yb:KYW crystal using an N pcut (optical axis N p of your index ellipsoid was parallel towards the propagation course with the laser radiation), Together with the polarization of your created radiation directed along the N m axis.
By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW because of the equivalent sizes of these chemical click here elements as many as one hundred% of Yb-doping could possibly be attained.
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