Top KYW Crystal Secrets
Top KYW Crystal Secrets
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The achieve bandwidth e.g. of Yb:KGW and Yb:KYW is rather significant when compared with that of Yb:YAG. This allows for large wavelength tunability and for Significantly shorter pulse durations from mode-locked lasers. Values nicely under 100 fs are actually achieved with passive mode locking.
This special characteristic of ultrafast pulses allows nonlinear optical interaction with tissue at low In general exposure, and drives purposes for example deep-tissue multiphoton microscopy and higher-precision eye surgery
We present a twin-crystal Yb:KGW laserthat iscapable to work as being a Q-switched oscillator with output ability as many as 24 W and pulse size of 20 ns,or like a regenerative amplifier with output electricity approximately 21 W and pulse length beneath 200 fs after compression of chirped pulses. Both lasers have fantastic beam excellent with beam parameter M2
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Optical structure of a laser with immediate pumping Along with the radiation of semiconductor injection lasers. LD is surely an IPG Photonics laser diode with fiber output of the radiation, WP is often a half-wave plate, CL can be a collimating lens, FL is a concentrating 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 a semiconductor saturable-absorber mirror.
Right check here before the development of Nd:YAG, Nd3+:CaWO4 was an important scarce-earth-doped laser acquire medium. It was actually Employed in the first repeatedly running crystal laser.
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Spatial construction from the beam and also the corresponding depth profiles I within the output with the laser.
For tungstates, the ytterbium doping focus can be very significant with out major quenching as the replaced ions have an incredibly similar ion radius, as well as the inter-ion distance is fairly significant.
By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW mainly because of the very similar measurements of these chemical features as many as one hundred% of Yb-doping might be obtained.
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Li2WO4-WO3 flux was productively used reducing the growth temperature under 900 oC. In keeping with single crystal x-ray measurements, the crystal corresponds towards the P2/n Room group.
The polarized absorption spectra of Tm3+-doped potassium yttrium tungstate (Tm:KY(WO4)two) crystal at home temperature had been measured. The emission spectrum and life time with the three File four psyched state were determined. Making use of common and modified Judd–Ofelt theories, the depth parameters plus the radiative lifetimes ended up calculated and superior settlement With all the experimental final results was acquired for each theories.
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