The Greatest Guide To KYW Crystal
The Greatest Guide To KYW Crystal
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, in comparison with its counterpart Yb:KGW, is actually a extraordinary materials that performs an essential position in laser technologies. Its primary functionality would be to make ultrashort pulses of light, spanning only a few hundred femtoseconds.
The Yb:KYW crystal’s proficiency in light-weight absorption at all-around 981 nm helps make the crystal compatible for diode pumping. It is actually additional Improved by its amazing performance in this method, coupled with its low quantum defect.
Coloration-coded reflectivity of the Bragg mirror as being a operate of wavelength and angle with the incident beam.
Ultrafast lasers, with pulse widths of a few picoseconds (ten−twelve s) or a lot less, empower enough time resolution expected in laser-energized fluorescence life time spectroscopy and imaging tactics.Also, they provide substantial pulse peak powers at significant repetition fees and average regular output powers.
Adhesion Take a look at Compliant with MIL-C-675C military specifications, an adhesion take a look at associated implementing a tape that meets LT-ninety specifications onto the lens movie layer. The tape was affixed totally after which taken out vertically. This course of action was executed 3 times, leading to no blistering or peeling.
Raman, luminescence and transmission spectra reveal optical capabilities owing towards the presence of thulium ions, and for that reason the resources could possibly be even more studied during the scope of laser and luminescence apps.
A large brightnessQ-switched oscillator and regenerative amplifier based upon a dual-crystal Yb:KGW laser
... at half-height have been created inside of a learn oscillator with selfsynchronization of the axial modes, described within our before article. 21 The new version on the laser, compared with that described in our earlier post, employed an Yb:KYW crystal using an N pcut (optical axis N p from the index ellipsoid was parallel into the propagation direction of your laser radiation), While using the polarization in the created radiation directed along the N m axis.
By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW as a result of comparable sizes of these chemical features nearly one hundred% of Yb-doping could be obtained.
The thermal conductivity of popular double tungstates is with the purchase to three–4 W/(K m) �?which isn't undesirable in contrast with other laser crystals (although various instances less than for YAG), and reasonably large when compared Using the thermal conductivity of regular glasses.
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Talk to RP Photonics for almost any guidance about tungstate lasers, which include femtosecond lasers and higher-power lasers.