Not known Details About KYW Crystal

Not known Details About KYW Crystal

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This exceptional characteristic of ultrafast pulses allows nonlinear optical conversation with tissue at lower All round publicity, and drives applications which include deep-tissue multiphoton microscopy and substantial-precision eye surgical treatment

We existing a dual-crystal Yb:KGW laserthat iscapable to operate as a Q-switched oscillator with output energy nearly 24 W and pulse length of twenty ns,or like a regenerative amplifier with output power nearly 21 W and pulse duration down below 200 fs just after compression of chirped pulses. Both lasers have exceptional beam high-quality with beam parameter M2

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By substituting yttrium with ytterbium while in the crystal lattice of Yb:KYW a result of the related sizes of these chemical components as much as one hundred% of Yb-doping could be achieved. This one of a kind attribute permits ytterbium to take the place of yttrium with practically no disruption towards the crystal’s lattice.

Adhesion Examination Compliant with MIL-C-675C military services requirements, an adhesion take a look at associated applying a tape that meets LT-90 specs onto the lens film layer. The tape was affixed totally and then eradicated vertically. This method was executed 3 times, resulting in no blistering or peeling.

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Tungstates tend to get substantial Raman coefficients (�?Raman scattering). Therefore, they're able to make sizeable Raman attain at moderate optical intensities. It is feasible to make use of the laser crystal alone for a Raman converter.

For tungstates, the ytterbium doping concentration can be quite substantial without the need of important quenching because the replaced ions have a really equivalent ion radius, plus the inter-ion distance is comparatively large.

By substituting click here yttrium with ytterbium in the crystal lattice of Yb:KYW due to similar sizes of those chemical components up to one hundred% of Yb-doping may be obtained.

The thermal conductivity of frequent double tungstates is of the get to three–four W/(K m) �?which is not negative in comparison with other laser crystals (Whilst many times under for YAG), and reasonably substantial in contrast With all the thermal conductivity of standard Eyeglasses.

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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) when compared with its counterpart Yb:KGW, can be a exceptional product that performs a crucial function in laser engineering. Its primary functionality is usually to produce ultrashort pulses of sunshine, spanning just some hundred femtoseconds.

At the same time, a shorter laser wavelength can be received; it is feasible to operate having a quantum defect effectively beneath one%. Being a consequence, the heat generation can be so smaller this partly compensates the reduced thermal conductivity.