New Step by Step Map For KYW Crystal
New Step by Step Map For KYW Crystal
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The achieve bandwidth e.g. of Yb:KGW and Yb:KYW is quite significant in comparison with that of Yb:YAG. This permits for large wavelength tunability and for A lot shorter pulse durations from mode-locked lasers. Values properly down below a hundred fs happen to be attained with passive mode locking.
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time. Crystals of the compound melts congruently at 1007 oC, having said that melt crystallization of top quality crystal is unachievable on account of section transition at ~920 oC. The top seeded Option technique from
The absorption and emission spectra of Yb:KYW Crystals Show robust peaks at 980 nm and 1030 nm, respectively, making sure efficient Power conversion and high efficiency in laser methods.
Optical format of the laser with immediate pumping With all the radiation of semiconductor injection lasers. LD can be an IPG Photonics laser diode with fiber output from the radiation, WP is often a 50 %-wave plate, CL is really a collimating lens, FL can be a concentrating lens, AE is surely an Energetic aspect comprised of an Yb:KYW crystal, DM is usually a spherical dichroic mirror, M1-M6 are the cavity mirrors, OC may be the output mirror, and SAM is really a semiconductor saturable-absorber mirror.
Adhesion Take a look at Compliant with MIL-C-675C military specifications, an adhesion take a look at included making use of a tape that fulfills LT-90 requirements onto the lens film layer. The tape was affixed completely then taken off vertically. This technique was executed 3 times, leading to no blistering or peeling.
Raman, luminescence and transmission spectra reveal optical attributes owing on the existence of thulium ions, and for that reason the materials might be even more analyzed while in the scope of laser and luminescence apps.
A significant brightnessQ-switched oscillator and regenerative amplifier dependant on a dual-crystal Yb:KGW laser
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... Not only the position of crystal in the cavity but additionally the amplification axis of crystal affects the laser Procedure enormously, as the absorption and emission cross sections with the crystal are rather diverse based on the orientation from the click here crystal.
The thermal conductivity of popular double tungstates is on the purchase to three–4 W/(K m) �?which isn't poor when compared with other laser crystals (Though quite a few occasions a lot less than for YAG), and pretty substantial compared Together with the thermal conductivity of usual glasses.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) when compared to its counterpart Yb:KGW, is usually a extraordinary substance that plays a crucial function in laser engineering. Its primary functionality will be to create ultrashort pulses of sunshine, spanning only a few hundred femtoseconds.
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