KYW Crystal Options

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This distinctive attribute of ultrafast pulses allows nonlinear optical conversation with tissue at low General exposure, and drives programs like deep-tissue multiphoton microscopy and significant-precision eye surgery

We existing a dual-crystal Yb:KGW laserthat iscapable to operate for a Q-switched oscillator with output ability as many as 24 W and pulse length of twenty ns,or for a regenerative amplifier with output electricity as many as 21 W and pulse duration down below two hundred fs immediately after compression of chirped pulses. Equally lasers have outstanding beam high quality with beam parameter M2

The absorption and emission spectra of Yb:KYW Crystals Display screen robust peaks at 980 nm and 1030 nm, respectively, making sure efficient Vitality conversion and higher effectiveness in laser devices.

By substituting yttrium with ytterbium while in the crystal lattice of Yb:KYW because of the related dimensions of those chemical elements nearly a hundred% of Yb-doping might be attained. This exclusive characteristic permits ytterbium to take the location of yttrium with virtually no disruption on the crystal’s lattice.

The monoclinic crystal structures ends in a natural birefringence, helping to avoid thermally induced polarization rotation and depolarization reduction.

FIG. 1. Optical layout of a laser with direct pumping While using the radiation of semiconductor injection lasers. LD is surely an IPG Photonics laser diode with fiber output

Tungstates tend to possess higher Raman coefficients (�?Raman scattering). Therefore, they're able to crank out substantial Raman get at moderate optical intensities. It is possible to make use of the laser crystal alone as a Raman converter.

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On the other hand, the moment Nd3+:YAG became commercially accessible, the desire in CaWO4 website dropped sharply. In later yrs, sure other tungstate crystals started to entice loads of awareness.

The thermal conductivity of popular double tungstates is of your order to three–four W/(K m) �?which isn't terrible as opposed with other laser crystals (Whilst several situations fewer than for YAG), and quite substantial when compared Along with the thermal conductivity of normal glasses.

Li2WO4-WO3 flux was correctly applied decreasing The expansion temperature down below 900 oC. In accordance with single crystal x-ray measurements, the crystal corresponds to the P2/n Area group.

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Request RP Photonics for any information regarding tungstate lasers, such as femtosecond lasers and significant-electrical power lasers.