An Unbiased View of KYW Crystal
An Unbiased View of KYW Crystal
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The Yb:KYW crystal’s proficiency in light-weight absorption at all-around 981 nm tends to make the crystal like minded for diode pumping. It is actually further enhanced by its exceptional effectiveness in this process, coupled with its lower quantum defect.
FIG. 4. Autocorrelation functionality of the heartbeat 共a兲and spectrum 共b兲of the laser with an oblong Lively factor for an output energy 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 effective linear arrays of semiconductor injection lasers getting fiber output. To prevent spectral narrowing during amplification and also the corresponding lengthening of the amplified pulse when it is actually compressed, a combination of two Yb:KYW crystals were applied, With all the spectral maxima from the amplification shifted relative to each other and with spectral profiling of your amplified radiation.
Adhesion Take a look at Compliant with MIL-C-675C military services requirements, an adhesion examination included making use of a tape that fulfills LT-ninety requirements on to the lens movie layer. The tape was affixed thoroughly and then eliminated vertically. This method was carried out three times, causing no blistering or peeling.
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5 mm aside from the middle from the beam caustic. So as to Verify the mode matching simulation, we done the experiment with Ng-Minimize crystal oscillator, which was made previously As well as in a exact issue with simulation [eleven]. As revealed in Determine 3(b) with crimson dots and line, the CW output energy is highly depending on the position of laser crystal and also the experimental here outcome coincides effectively with simulation result. Being a Observe, multimode Procedure occurred in experiment when the dimensions in the pump beam is larger sized than TEM00 cavity mode and it results in greater CW output electric power within the displacement area underneath three.five mm.
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Significant-electrical power repetitively pulsed ytterbium lasers with supershort pulse width and direct diode pumping for technological and biomedical apps
The thermal conductivity of common double tungstates is of your get to 3–four W/(K m) �?which is not lousy when compared with other laser crystals (Though several moments lower than for YAG), and rather big when compared With all the thermal conductivity of regular glasses.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) as compared to its counterpart Yb:KGW, is a remarkable product that performs a significant position in laser technological innovation. Its Principal perform would be to generate ultrashort pulses of sunshine, spanning just a few hundred femtoseconds.
Question RP Photonics for any guidance about tungstate lasers, including femtosecond lasers and high-electrical power lasers.