KYW Crystal - An Overview
KYW Crystal - An Overview
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The attain bandwidth e.g. of Yb:KGW and Yb:KYW is very big compared with that of Yb:YAG. This enables for wide wavelength tunability and for A lot shorter pulse durations from manner-locked lasers. Values effectively under 100 fs happen to be realized with passive mode locking.
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The Yb:KYW crystal’s proficiency in light-weight absorption at around 981 nm will make the crystal well suited for diode pumping. It can be even more enhanced by its impressive effectiveness in this method, coupled with its low quantum defect.
The absorption and emission spectra of Yb:KYW Crystals Exhibit powerful peaks at 980 nm and 1030 nm, respectively, ensuring efficient Electrical power conversion and substantial effectiveness in laser devices.
By substituting yttrium with ytterbium while in the crystal lattice of Yb:KYW due to the comparable dimensions of these chemical aspects up to one hundred% of Yb-doping could possibly be reached. This special characteristic permits ytterbium to go ahead and take put of yttrium with pretty much no disruption for the crystal’s lattice.
Following air drying and subsequent cleansing using a cotton fabric soaked in Liquor, the movie surface area confirmed no indications of peeling or scratches.
FIG. one. Optical structure of the laser here with direct pumping Together with the radiation of semiconductor injection lasers. LD is undoubtedly an IPG Photonics laser diode with fiber output
Spatial construction of the beam plus the corresponding depth profiles I in the output of the laser.
For tungstates, the ytterbium doping focus can be very superior devoid of considerable quenching as the changed ions have an incredibly equivalent ion radius, and also the inter-ion distance is comparatively substantial.
By substituting yttrium with ytterbium in the crystal lattice of Yb:KYW because of the related sizes of such chemical things nearly a hundred% of Yb-doping could possibly be attained.
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