Top KYW Crystal Secrets
Top KYW Crystal Secrets
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The get bandwidth e.g. of Yb:KGW and Yb:KYW is extremely substantial in contrast with that of Yb:YAG. This permits for large wavelength tunability and for A great deal shorter pulse durations from method-locked lasers. Values perfectly under one hundred fs are achieved with passive mode locking.
This exceptional attribute of ultrafast pulses permits nonlinear optical interaction with tissue at very low overall exposure, and drives programs such as deep-tissue multiphoton microscopy and superior-precision eye surgery
The Yb:KYW crystal’s proficiency in gentle absorption at all-around 981 nm can make the crystal well matched for diode pumping. It is even further enhanced by its amazing efficiency in this method, coupled with its reduced quantum defect.
FIG. four. Autocorrelation function of the heart beat 共a兲and spectrum 共b兲of the laser with an oblong Energetic aspect for an output electric power of seven hundred mW. The width of
This paper describes a femtosecond laser regenerative amplifier based upon two Yb:KYW crystals with direct longitudinal pumping by impressive linear arrays of semiconductor injection lasers having fiber output. To stop spectral narrowing during amplification as well as corresponding lengthening from the amplified pulse when it really is compressed, a mix of two Yb:KYW crystals were utilized, Using the spectral maxima of the amplification shifted relative to one another and with spectral profiling on the amplified radiation.
Immediately after air drying and subsequent cleaning having a cotton cloth soaked in Liquor, the film floor confirmed no signs of peeling or scratches.
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Spatial construction from the beam along with the corresponding intensity profiles I within the output in the read more laser.
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By substituting yttrium with ytterbium from the crystal lattice of Yb:KYW a result of the very similar sizes of these chemical components around a hundred% of Yb-doping could possibly be achieved.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) when compared with its counterpart Yb:KGW, is a extraordinary materials that performs an important function in laser technology. Its Major functionality will be to deliver ultrashort pulses of sunshine, spanning just a few hundred femtoseconds.
Check with RP Photonics for just about any advice relating to tungstate lasers, such as femtosecond lasers and superior-electricity lasers.