KYW Crystal - An Overview
KYW Crystal - An Overview
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The comparison with Eyeglasses is suitable Because the big obtain bandwidth allows e.g. tungstate femtosecond lasers and tunable lasers to compete with glass lasers.
The Yb:KYW crystal’s proficiency in light-weight absorption at close to 981 nm will make the crystal well suited for diode pumping. It truly is further enhanced by its exceptional performance in this process, coupled with its lower quantum defect.
FIG. four. Autocorrelation purpose of the pulse 共a兲and spectrum 共b兲of the laser with a rectangular Energetic element for an output electric power of 700 mW. The width of
This paper describes a femtosecond laser regenerative amplifier based on two Yb:KYW crystals with immediate longitudinal pumping by highly effective linear arrays of semiconductor injection lasers acquiring fiber output. To avoid spectral narrowing in the course of amplification plus the corresponding lengthening with the amplified pulse when it really is compressed, a combination of two Yb:KYW crystals have been used, Using the spectral maxima of the amplification shifted relative to one another and with spectral profiling in the amplified radiation.
Right before the development of Nd:YAG, Nd3+:CaWO4 was an important scarce-earth-doped laser obtain medium. It had been in fact Utilized in the main continuously functioning crystal laser.
FIG. one. Optical format of the laser with direct pumping While using the radiation of semiconductor injection lasers. LD is really an IPG Photonics laser diode with fiber output
Tungstates are inclined to acquire superior Raman coefficients (�?Raman scattering). Consequently, they could make significant Raman gain at moderate optical intensities. It can be done to utilize the laser crystal by itself being a Raman converter.
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By substituting yttrium with ytterbium in the crystal lattice of Yb:KYW due to the identical measurements of these chemical features as many as 100% of Yb-doping may be attained.
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This tandem of attributes has significantly-reaching implications, significantly in the development of compact however powerfull lasers.
Yb:KYW crystal (Yb-doped potassium yttrium tungstate) more info in comparison to its counterpart Yb:KGW, is really a impressive content that performs a crucial function in laser technological know-how. Its Major purpose is to make ultrashort pulses of light, spanning just some hundred femtoseconds.
Inquire RP Photonics for almost any suggestions regarding tungstate lasers, including femtosecond lasers and high-electrical power lasers.