Rumored Buzz on KYW Crystal
Rumored Buzz on KYW Crystal
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The obtain bandwidth e.g. of Yb:KGW and Yb:KYW is very massive compared with that of Yb:YAG. This allows for broad wavelength tunability and for much shorter pulse durations from method-locked lasers. Values nicely underneath 100 fs are accomplished with passive method locking.
The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, in comparison with its counterpart Yb:KGW, is usually a exceptional substance that performs an essential purpose in laser technology. Its Major perform is to produce ultrashort pulses of light, spanning just some hundred femtoseconds.
The Yb:KYW crystal’s proficiency in gentle absorption at about 981 nm helps make the crystal like minded for diode pumping. It's even further Increased by its remarkable effectiveness in this process, coupled with its small quantum defect.
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Optical format of the laser with immediate pumping Using the radiation of semiconductor injection lasers. LD is really an IPG Photonics laser diode with fiber output from the radiation, WP is usually a half-wave plate, CL can be a collimating lens, FL is usually a focusing lens, AE is really an Energetic ingredient created from an Yb:KYW crystal, DM is often a spherical dichroic mirror, M1-M6 would be the cavity mirrors, OC could be the output mirror, and SAM is really a semiconductor saturable-absorber mirror.
The monoclinic crystal structures leads to a normal birefringence, helping to avoid thermally induced polarization rotation and depolarization loss.
Raman, luminescence and transmission spectra expose optical functions owing to the presence of thulium ions, and for that reason the elements might be even more analyzed in the scope of laser and luminescence purposes.
A large brightnessQ-switched oscillator and regenerative amplifier according to a dual-crystal Yb:KGW laser
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Having said that, as soon as Nd3+:YAG became commercially accessible, the curiosity in CaWO4 dropped sharply. In afterwards a long time, specific other tungstate crystals started to draw in lots of awareness.
The thermal conductivity of typical double tungstates is in the purchase to three–four W/(K m) �?which is not undesirable when compared with other laser crystals (While various periods a lot less than for YAG), and reasonably large in comparison Together with the thermal conductivity of standard Eyeglasses.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) in comparison with its counterpart Yb:KGW, is often a extraordinary material that plays an important function in laser technological innovation. Its Main operate will be to generate ultrashort pulses of sunshine, spanning just a couple hundred femtoseconds.
Inquire RP Photonics for any advice relating to tungstate lasers, such as femtosecond lasers and high-electric power lasers.