Considerations To Know About KYW Crystal
Considerations To Know About KYW Crystal
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The achieve bandwidth e.g. of Yb:KGW and Yb:KYW is very huge when compared with that of Yb:YAG. This permits for huge wavelength tunability and for Significantly shorter pulse durations from method-locked lasers. Values very well beneath 100 fs are already realized with passive manner locking.
This one of a kind characteristic of ultrafast pulses permits nonlinear optical conversation with tissue at very low All round publicity, and drives programs like deep-tissue multiphoton microscopy and superior-precision eye medical procedures
We existing a dual-crystal Yb:KGW laserthat iscapable to function being a Q-switched oscillator with output electric power as many as 24 W and pulse duration of twenty ns,or like a regenerative amplifier with output electricity nearly 21 W and pulse period underneath 200 fs right after compression of chirped pulses. Each lasers have excellent beam quality with beam parameter M2
The absorption and emission spectra of Yb:KYW Crystals display powerful peaks at 980 nm and 1030 nm, respectively, making certain effective Strength conversion and substantial functionality in laser programs.
By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW mainly because of the equivalent measurements of those chemical factors approximately one hundred% of Yb-doping may very well be obtained. This unique attribute permits ytterbium to go ahead and take position of yttrium with pretty much no disruption into the crystal’s lattice.
After air drying and subsequent cleansing with a cotton cloth soaked in Alcoholic beverages, the movie floor confirmed no signs of peeling or scratches.
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Tungstates tend to get substantial Raman coefficients (�?Raman scattering). Hence, they can produce considerable Raman obtain at reasonable optical intensities. It is feasible to use the laser crystal alone to be a Raman converter.
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Superior-electrical power repetitively pulsed ytterbium lasers with supershort pulse width and immediate diode pumping for technological and biomedical purposes
The thermal conductivity of frequent double tungstates is of the buy to three–4 W/(K m) �?which isn't negative compared with other laser crystals (While a number of periods lower than for YAG), and fairly massive as opposed With all the thermal conductivity of regular Eyeglasses.
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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 on the three File four psyched state had been established. Employing typical and modified Judd–Ofelt theories, the depth parameters as well as radiative lifetimes were calculated and great agreement With all the experimental final results was acquired for each theories.
Concurrently, a shorter laser wavelength is usually received; it is possible to work using a quantum defect well underneath 1%. For a consequence, the heat era may be so smaller that this partly compensates the decrease thermal conductivity.