KYW Crystal - An Overview
KYW Crystal - An Overview
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The comparison with Eyeglasses is appropriate since the substantial achieve bandwidth enables e.g. tungstate femtosecond lasers and tunable lasers to contend with glass lasers.
The Yb:KYW crystal’s proficiency in gentle absorption at all over 981 nm would make the crystal like minded for diode pumping. It really is even more Improved by its amazing effectiveness in this process, coupled with its minimal quantum defect.
The absorption and emission spectra of Yb:KYW Crystals Display screen potent peaks at 980 nm and 1030 nm, respectively, making sure productive Vitality conversion and large effectiveness in laser programs.
This paper describes a femtosecond laser regenerative amplifier dependant on two Yb:KYW crystals with direct longitudinal pumping by impressive linear arrays of semiconductor injection lasers obtaining fiber output. To prevent spectral narrowing through amplification as well as the corresponding lengthening of your amplified pulse when it really is compressed, a mix of two Yb:KYW crystals had been applied, Using the spectral maxima on the amplification shifted relative to one another and with spectral profiling from the amplified radiation.
Immediately after air drying and subsequent cleansing with a cotton cloth soaked in Alcoholic beverages, the film surface area showed no indications of peeling or scratches.
Raman, luminescence and transmission spectra reveal optical functions owing to the existence of thulium ions, and as a consequence the products can be even further researched within the scope of laser and luminescence applications.
Tungstates are likely to have high Raman coefficients (�?Raman check here scattering). Consequently, they're able to create considerable Raman obtain at moderate optical intensities. It is possible to use the laser crystal alone being a Raman converter.
... at fifty percent-top ended up created in a grasp oscillator with selfsynchronization with the axial modes, described within our before report. 21 The new version with the laser, not like that explained inside our earlier posting, utilised an Yb:KYW crystal with an N pcut (optical axis N p with the index ellipsoid was parallel towards the propagation course from the laser radiation), While using the polarization in the produced radiation directed together the N m axis.
Nonetheless, at the time Nd3+:YAG turned commercially accessible, the curiosity in CaWO4 dropped sharply. In later on yrs, sure other tungstate crystals began to attract loads of notice.
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