Detailed Notes on KYW Crystal
Detailed Notes on KYW Crystal
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We current a dual-crystal Yb:KGW laserthat iscapable to function for a Q-switched oscillator with output power as much as 24 W and pulse length of 20 ns,or as a regenerative amplifier with output electrical power approximately 21 W and pulse length below two hundred fs immediately after compression of chirped pulses. Both of those lasers have fantastic beam quality with beam parameter M2
Colour-coded reflectivity of the Bragg mirror to be a perform of wavelength and angle in the incident beam.
Ultrafast lasers, with pulse widths of some picoseconds (ten−12 s) or considerably less, permit time resolution necessary in laser-fired up fluorescence life span spectroscopy and imaging techniques.Moreover, they produce substantial pulse peak powers at large repetition prices and average regular output powers.
The monoclinic crystal buildings results in a pure birefringence, assisting to keep away from thermally induced polarization rotation and depolarization loss.
Raman, luminescence and transmission spectra expose optical capabilities owing into the existence of thulium ions, and therefore the supplies could possibly be even more analyzed from the scope of laser and luminescence purposes.
A more info superior brightnessQ-switched oscillator and regenerative amplifier based on a twin-crystal Yb:KGW laser
For tungstates, the ytterbium doping concentration can be extremely high devoid of considerable quenching because the changed ions have an exceedingly comparable ion radius, and the inter-ion distance is fairly huge.
By substituting yttrium with ytterbium while in the crystal lattice of Yb:KYW a result of the equivalent dimensions of those chemical elements as many as one hundred% of Yb-doping could be realized.
The thermal conductivity of widespread double tungstates is of the buy to three–4 W/(K m) �?which isn't negative as opposed with other laser crystals (Though quite a few instances a lot less than for YAG), and fairly huge in comparison While using the thermal conductivity of common glasses.
Li2WO4-WO3 flux was productively used lowering The expansion temperature down below 900 oC. In accordance with one crystal x-ray measurements, the crystal corresponds to the P2/n Area group.
The polarized absorption spectra of Tm3+-doped potassium yttrium tungstate (Tm:KY(WO4)two) crystal at room temperature have been calculated. The emission spectrum and life span from the 3 File four excited state have been identified. Using regular and modified Judd–Ofelt theories, the depth parameters and the radiative lifetimes had been calculated and excellent arrangement Along with the experimental effects was received for equally theories.
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