The Definitive Guide to KYW Crystal
The Definitive Guide to KYW Crystal
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, compared to its counterpart Yb:KGW, is usually a outstanding material that plays a very important role in laser technology. Its Key operate will be to deliver ultrashort pulses of sunshine, spanning just some hundred femtoseconds.
We present a dual-crystal Yb:KGW laserthat iscapable to operate like a Q-switched oscillator with output electricity approximately 24 W and pulse length of twenty ns,or to be a regenerative amplifier with output ability approximately 21 W and pulse period below 200 fs immediately after compression of chirped pulses. Both equally lasers have outstanding beam high-quality with beam parameter M2
Shade-coded reflectivity of a Bragg mirror being a purpose of wavelength and angle of your incident beam.
Optical layout of a laser with direct pumping Along with the radiation of semiconductor injection lasers. LD is surely an IPG Photonics laser diode with fiber output in the radiation, WP can be a 50 percent-wave plate, CL is a collimating lens, FL is really a focusing lens, AE is undoubtedly an Lively aspect produced from an Yb:KYW crystal, DM is usually a spherical dichroic mirror, M1-M6 would be the cavity mirrors, OC would be the output mirror, and SAM is usually a semiconductor saturable-absorber mirror.
The monoclinic crystal constructions brings about a pure birefringence, helping to keep away from thermally induced polarization rotation and depolarization reduction.
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A significant brightnessQ-switched oscillator and regenerative amplifier based on a twin-crystal Yb:KGW laser
For tungstates, the ytterbium doping focus can be very high without significant quenching because the changed ions have an extremely equivalent ion radius, plus the inter-ion distance is pretty substantial.
Even so, as soon as Nd3+:YAG turned commercially readily available, the curiosity in CaWO4 dropped sharply. In afterwards many years, sure other tungstate crystals started to attract plenty of attention.
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The polarized absorption spectra of Tm3+-doped potassium yttrium tungstate (Tm:KY(WO4)2) crystal at room temperature had been calculated. The emission spectrum and life span on the 3 F 4 energized condition were more info established. Applying standard and modified Judd–Ofelt theories, the depth parameters as well as radiative lifetimes were calculated and great arrangement with the experimental outcomes was received for both theories.
Talk to RP Photonics for virtually any suggestions about tungstate lasers, which includes femtosecond lasers and higher-electrical power lasers.