The KYW Crystal Diaries
The KYW Crystal Diaries
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This distinctive attribute of ultrafast pulses allows nonlinear optical conversation with tissue at very low All round publicity, and drives apps like deep-tissue multiphoton microscopy and superior-precision eye medical procedures
time. Crystals on the compound melts congruently at 1007 oC, even so soften crystallization of top of the range crystal is unachievable on account of section changeover at ~920 oC. The highest seeded solution process from
FIG. four. Autocorrelation perform of the heart beat 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 according to 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 along with the corresponding lengthening from the amplified pulse when it is compressed, a mix of two Yb:KYW crystals had been made use of, Along with the spectral maxima in the amplification shifted relative to one another and with spectral profiling on the amplified radiation.
The monoclinic crystal buildings brings about a pure birefringence, helping to stay away from thermally induced polarization rotation and depolarization loss.
Raman, luminescence and transmission spectra reveal optical characteristics owing to your existence of thulium ions, and as a consequence the products could be additional researched within the scope of laser and luminescence read more applications.
A substantial brightnessQ-switched oscillator and regenerative amplifier based upon a dual-crystal Yb:KGW laser
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Superior-ability repetitively pulsed ytterbium lasers with supershort pulse width and direct diode pumping for technological and biomedical apps
Whilst ytterbium-doped laser obtain media normally show a small quantum defect, ytterbium-doped tungstates permit for especially little values. For instance, a 1030-nm Yb:YAG laser would Usually be pumped about 940 nm, Whilst Yb:KGW or Yb:KYW might be most successfully pumped all over 981 nm.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) in comparison with its counterpart Yb:KGW, is actually a exceptional materials that performs a very important purpose in laser know-how. Its Principal functionality should be to make ultrashort pulses of light, spanning just a couple hundred femtoseconds.
Talk to RP Photonics for just about any advice relating to tungstate lasers, such as femtosecond lasers and superior-electrical power lasers.