How KYW Crystal can Save You Time, Stress, and Money.
How KYW Crystal can Save You Time, Stress, and Money.
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In useful phrases, the Yb:KYW crystal has uncovered its niche in large-electrical power laser apps because of its ability to create large Electricity ultrashort laser pulses whilst keeping a compact sizing. The interaction of its features �?seamless ytterbium substitution, powerful absorption qualities, ultrashort pulse technology and performance in Electrical power conversion �?positions the Yb:KYW crystal to be a cornerstone from the laser technological innovation, covering diverse fields starting from scientific investigation to industrial programs.
The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, when compared to its counterpart Yb:KGW, can be a extraordinary product that plays an essential part in laser technological know-how. Its Major function is usually to make ultrashort pulses of light, spanning just some hundred femtoseconds.
We present a dual-crystal Yb:KGW laserthat iscapable to function like a Q-switched oscillator with output ability as much as 24 W and pulse size of twenty ns,or being a regenerative amplifier with output electric power nearly 21 W and pulse duration beneath two hundred fs just after compression of chirped pulses. Each lasers have exceptional beam high-quality with beam parameter M2
FIG. 4. Autocorrelation function of the heart beat 共a兲and spectrum 共b兲of a laser with an oblong Energetic ingredient for an output electric power of 700 mW. The width of
Optical structure of the laser with direct pumping Together with the radiation of semiconductor injection lasers. LD is really an IPG Photonics laser diode with fiber output on the radiation, WP can be a fifty percent-wave plate, CL is usually a collimating lens, FL is often a concentrating lens, AE is surely an active factor comprised of an Yb:KYW crystal, DM is actually a spherical dichroic mirror, M1-M6 tend to be the cavity mirrors, OC will be the output mirror, and SAM can be a semiconductor saturable-absorber mirror.
Adhesion Check Compliant with MIL-C-675C military criteria, an adhesion test included implementing a tape that meets LT-90 requirements on to the lens film layer. The tape was affixed absolutely after which taken out vertically. This course of action was performed three times, resulting in no blistering or peeling.
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A high brightnessQ-switched oscillator and regenerative amplifier depending on a twin-crystal Yb:KGW laser
... at fifty percent-peak had been created inside a grasp oscillator with selfsynchronization of the axial modes, explained inside our before post. 21 The new edition on the laser, compared with that click here described in our previously post, utilized an Yb:KYW crystal by having an N pcut (optical axis N p of your index ellipsoid was parallel to your propagation way on the laser radiation), With all the polarization on the created radiation directed along the N m axis.
Nevertheless, as soon as Nd3+:YAG became commercially offered, the fascination in CaWO4 dropped sharply. In later on several years, specific other tungstate crystals began to bring in plenty of consideration.
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