Not known Details About KYW Crystal
Not known Details About KYW Crystal
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The comparison with glasses is suitable For the reason that large gain bandwidth allows e.g. tungstate femtosecond lasers and tunable lasers to contend with glass lasers.
Femtosecond laser according to Yb:KYW crystals with suppression of spectral narrowing inside of a regenerative amplifier by spectral profiling of the pulse
Shade-coded reflectivity of the Bragg mirror like a function of wavelength and angle on the incident beam.
This paper describes a femtosecond laser regenerative amplifier depending on two Yb:KYW crystals with direct longitudinal pumping by strong linear arrays of semiconductor injection lasers getting fiber output. To prevent spectral narrowing in the course of amplification as well as the corresponding lengthening with the amplified pulse when it is compressed, a combination of two Yb:KYW crystals were being made use of, Along with the spectral maxima from the amplification shifted relative to each other and with spectral profiling from the amplified radiation.
The monoclinic crystal constructions brings about a normal birefringence, assisting to stay away from thermally induced polarization rotation and depolarization reduction.
Raman, luminescence and transmission spectra expose optical capabilities owing to your presence of thulium ions, and as a consequence the resources may very well be further researched inside the scope of laser and luminescence apps.
Tungstates are likely to own substantial Raman coefficients (�?Raman scattering). Therefore, they are able to produce considerable Raman attain at reasonable optical intensities. It is possible to make use of the laser crystal itself like a Raman converter.
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Higher-energy repetitively pulsed ytterbium lasers with supershort pulse width and immediate diode pumping for technological and biomedical applications
Though ytterbium-doped laser obtain media commonly show a little quantum defect, ytterbium-doped tungstates allow for for specifically little values. As an example, a 1030-nm Yb:YAG laser would Typically be pumped close to 940 nm, Whilst Yb:KGW or Yb:KYW may be most competently pumped around 981 nm.
Li2WO4-WO3 flux check here was efficiently used minimizing the growth temperature below 900 oC. According to single crystal x-ray measurements, the crystal corresponds on the P2/n space group.
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