Everything about KYW Crystal
Everything about KYW Crystal
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The comparison with glasses is acceptable Considering that the massive achieve bandwidth permits e.g. tungstate femtosecond lasers and tunable lasers to compete with glass lasers.
The Yb:KYW crystal’s proficiency in light-weight absorption at about 981 nm would make the crystal well suited for diode pumping. It can be even further Increased by its exceptional performance in this process, coupled with its reduced quantum defect.
FIG. four. Autocorrelation function of the heartbeat 共a兲and spectrum 共b兲of the laser with a rectangular active ingredient for an output ability of 700 mW. The width of
This paper describes a femtosecond laser regenerative amplifier according to two Yb:KYW crystals with immediate longitudinal pumping by impressive linear arrays of semiconductor injection lasers having fiber output. To prevent spectral narrowing during amplification as well as corresponding lengthening on the amplified pulse when it truly is compressed, a combination of two Yb:KYW crystals ended up employed, Using the spectral maxima of your amplification shifted relative to each other and with spectral profiling of your amplified radiation.
Immediately after air drying and subsequent cleaning by using a cotton fabric soaked in alcohol, the movie area showed no indications of peeling or scratches.
PDF Yb:KGW and Yb:KYW crystals have wide emission bandwidths and therefore are utilized as lasing resources to create ultrashort (~ click here 100-two hundred fs) significant electricity pulses. Direct pump of Yb:KGW/KYW crystals with laser diodes running at 981 nm supports compact laser techniques.
Spatial structure in the beam as well as the corresponding intensity profiles I with the output of your laser.
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Higher-electric power repetitively pulsed ytterbium lasers with supershort pulse width and immediate diode pumping for technological and biomedical programs
Even though ytterbium-doped laser attain media generally exhibit a small quantum defect, ytterbium-doped tungstates enable for notably modest values. One example is, a 1030-nm Yb:YAG laser would Generally be pumped all around 940 nm, While Yb:KGW or Yb:KYW might be most effectively pumped around 981 nm.
This tandem of attributes has significantly-achieving implications, especially in the development of compact yet powerfull lasers.
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Request RP Photonics for virtually any suggestions about tungstate lasers, like femtosecond lasers and higher-electric power lasers.