KYW Crystal Secrets

KYW Crystal Secrets

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The obtain bandwidth e.g. of Yb:KGW and Yb:KYW may be very big in comparison with that of Yb:YAG. This permits for vast wavelength tunability and for Substantially shorter pulse durations from manner-locked lasers. Values nicely under 100 fs happen to be attained with passive method locking.

This exceptional characteristic of ultrafast pulses permits nonlinear optical conversation with tissue at lower Over-all publicity, and drives apps for instance deep-tissue multiphoton microscopy and large-precision eye surgery

The Yb:KYW crystal’s proficiency in mild absorption at about 981 nm can make the crystal well suited for diode pumping. It really is more enhanced by its exceptional effectiveness in this method, coupled with its low quantum defect.

FIG. 4. Autocorrelation functionality of the heartbeat 共a兲and spectrum 共b兲of the laser with an oblong active aspect for an output energy of seven-hundred mW. The width of

This paper describes a femtosecond laser regenerative amplifier determined by two Yb:KYW crystals with direct longitudinal pumping by effective linear arrays of semiconductor injection lasers getting fiber output. To prevent spectral narrowing throughout amplification and the corresponding lengthening of your amplified pulse when it truly is compressed, a combination of two Yb:KYW crystals were applied, Together with the spectral maxima from the amplification shifted relative to each other and with spectral profiling from the amplified radiation.

Just after air drying and subsequent cleaning which has a cotton cloth soaked in Liquor, the movie surface area confirmed no indications of peeling or scratches.

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Tungstates are likely to acquire high Raman coefficients (�?Raman scattering). As a result, they can generate considerable Raman acquire at average optical intensities. It is feasible to use the laser crystal alone for a Raman converter.

For tungstates, the ytterbium doping focus can be extremely superior without sizeable quenching as the changed ions have an exceedingly very similar ion radius, as well as inter-ion distance is pretty massive.

High-energy repetitively pulsed ytterbium lasers with supershort pulse width and direct diode pumping for technological and biomedical programs

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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) when compared to its counterpart Yb:KGW, can be a impressive materials that performs a vital function in laser technologies. Its Most important purpose is always to deliver ultrashort pulses of light, spanning just a couple hundred femtoseconds.

Check with RP Photonics for just about any advice relating to tungstate lasers, such as femtosecond lasers and superior-electricity lasers.