KYW Crystal - An Overview
KYW Crystal - An Overview
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The comparison with glasses is acceptable For the reason that massive obtain bandwidth enables e.g. tungstate femtosecond lasers and tunable lasers to contend with glass lasers.
The Yb:KYW crystal’s proficiency in light-weight absorption at around 981 nm helps make the crystal compatible for diode pumping. It is actually additional enhanced by its impressive effectiveness in this method, coupled with its low quantum defect.
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This paper describes a femtosecond laser regenerative amplifier depending on two Yb:KYW crystals with immediate longitudinal pumping by powerful linear arrays of semiconductor injection lasers owning fiber output. To circumvent spectral narrowing through amplification plus the corresponding lengthening on the amplified pulse when it's compressed, a mix of two Yb:KYW crystals have been utilized, with the spectral maxima with the amplification shifted relative to each other and with spectral profiling with the amplified radiation.
Adhesion Examination Compliant with MIL-C-675C armed forces criteria, an adhesion test involved applying a tape that meets LT-ninety specifications on to the lens movie layer. The tape was affixed thoroughly after which you can removed vertically. This procedure was performed thrice, causing no blistering or peeling.
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Tungstates have a tendency to acquire superior Raman coefficients (�?Raman scattering). Consequently, they are able to produce substantial Raman obtain at moderate optical intensities. It is feasible to use the laser crystal alone to be a Raman converter.
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Even so, at the time Nd3+:YAG became commercially offered, the fascination in CaWO4 dropped sharply. In later a long time, selected other tungstate crystals began to catch the attention of lots of focus.
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Ask RP Photonics get more info for almost any advice relating to tungstate lasers, which include femtosecond lasers and substantial-electrical power lasers.