New Step by Step Map For KYW Crystal
New Step by Step Map For KYW Crystal
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We current a dual-crystal Yb:KGW laserthat iscapable to operate being a Q-switched oscillator with output electricity as many as 24 W and pulse duration of twenty ns,or being a regenerative amplifier with output electricity approximately 21 W and pulse length under 200 fs right after compression of chirped pulses. Both of those lasers have fantastic beam high-quality with beam parameter M2
Colour-coded reflectivity of a Bragg mirror like a operate of wavelength and angle from the incident beam.
By substituting yttrium with ytterbium from the crystal lattice of Yb:KYW due to the related measurements of those chemical things nearly 100% of Yb-doping may be reached. This exceptional attribute permits ytterbium to take the spot of yttrium with nearly no disruption for the crystal’s lattice.
The monoclinic crystal constructions leads to a all-natural birefringence, assisting to stay clear of thermally induced polarization rotation and depolarization loss.
Raman, luminescence and transmission spectra expose optical options owing towards the presence of thulium ions, and so the elements can be further studied in the scope of laser and luminescence applications.
A high brightnessQ-switched oscillator and regenerative amplifier according to a twin-crystal Yb:KGW laser
For tungstates, the ytterbium doping focus can be extremely substantial without important quenching as the replaced ions have an incredibly similar ion radius, as well as the inter-ion length is pretty massive.
By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW due to the identical measurements of these chemical things approximately 100% of Yb-doping can be realized.
The thermal conductivity of widespread double tungstates is from the get to 3–four W/(K m) �?which is not terrible in contrast with other laser crystals (Whilst many times under for YAG), and quite huge as opposed With all the thermal conductivity of regular Eyeglasses.
Li2WO4-WO3 flux was efficiently used reducing the growth temperature under 900 oC. In keeping with one crystal x-ray measurements, the crystal corresponds towards the P2/n Place team.
The polarized absorption spectra of Tm3+-doped potassium yttrium tungstate (Tm:KY(WO4)two) crystal at home temperature were measured. The emission spectrum and life time of your three File four thrilled state have been decided. Working with standard and modified Judd–Ofelt theories, the depth parameters along with the radiative lifetimes ended up calculated and superior settlement While using the experimental results was obtained for both theories.
At the same time, a shorter laser wavelength is usually obtained; it can be done to function having a quantum defect perfectly underneath 1%. For a consequence, the heat era can be so smaller that this check here partly compensates the decreased thermal conductivity.