The smart Trick of KYW Crystal That Nobody is Discussing
The smart Trick of KYW Crystal That Nobody is Discussing
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, as compared to its counterpart Yb:KGW, can be a exceptional substance that performs an important function in laser know-how. Its Most important functionality is to produce ultrashort pulses of light, spanning just some hundred femtoseconds.
We present a twin-crystal Yb:KGW laserthat iscapable to function like a Q-switched oscillator with output ability as much as 24 W and pulse size of 20 ns,or as being a regenerative amplifier with output energy around 21 W and pulse length underneath two hundred fs following compression of chirped pulses. The two lasers have excellent beam quality with beam parameter M2
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Optical structure of a laser with immediate pumping With all the radiation of semiconductor injection lasers. LD can be an IPG Photonics laser diode with fiber output on the radiation, WP is really a 50 %-wave plate, CL is usually a collimating lens, FL can be a concentrating lens, AE is undoubtedly an active factor produced from an Yb:KYW crystal, DM is often a spherical dichroic mirror, M1-M6 will be the cavity mirrors, OC is definitely the output mirror, and SAM is really a semiconductor saturable-absorber mirror.
The monoclinic crystal constructions leads to a organic birefringence, helping to steer clear of thermally induced polarization rotation and depolarization loss.
Raman, luminescence and transmission spectra reveal optical characteristics owing into the existence of thulium ions, and therefore the components could be more analyzed from the scope of laser get more info and luminescence programs.
A large brightnessQ-switched oscillator and regenerative amplifier determined by a dual-crystal Yb:KGW laser
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Nonetheless, after Nd3+:YAG turned commercially available, the interest in CaWO4 dropped sharply. In later several years, selected other tungstate crystals began to attract a lot of attention.
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This tandem of attributes has significantly-reaching implications, notably in the development of compact but powerfull lasers.
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Check with RP Photonics for just about any suggestions about tungstate lasers, like femtosecond lasers and high-electric power lasers.