A Simple Key For KYW Crystal Unveiled
A Simple Key For KYW Crystal Unveiled
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time. Crystals of your compound melts congruently at 1007 oC, however melt crystallization of high quality crystal is not possible as a result of period transition at ~920 oC. The very best seeded solution process from
Shade-coded reflectivity of a Bragg mirror as being a purpose of wavelength and angle of the incident beam.
This paper describes a femtosecond laser regenerative amplifier according to two Yb:KYW crystals with direct longitudinal pumping by strong linear arrays of semiconductor injection lasers owning fiber output. To circumvent spectral narrowing during amplification and the corresponding lengthening on the amplified pulse when it really is compressed, a combination of two Yb:KYW crystals were being utilised, With all the spectral maxima of your amplification shifted relative to each other and with spectral profiling on the amplified radiation.
Soon after air drying and subsequent cleaning which has a cotton fabric soaked in alcohol, the movie area confirmed no indications of peeling or scratches.
PDF Yb:KGW and Yb:KYW crystals have broad emission bandwidths and so are applied as lasing elements to make ultrashort (~ 100-200 fs) significant electrical power pulses. Direct pump of Yb:KGW/KYW crystals with laser diodes functioning at 981 nm supports compact laser techniques.
Spatial construction on the beam plus the corresponding depth profiles I within the output in the laser.
For tungstates, the ytterbium doping concentration can be extremely higher with out significant quenching as the replaced ions have an exceptionally very similar ion radius, along with the inter-ion length is relatively substantial.
... Don't just the get more info position of crystal in the cavity but in addition the amplification axis of crystal influences the laser Procedure enormously, because the absorption and emission cross sections with the crystal are pretty distinct according to the orientation from the crystal.
When ytterbium-doped laser get media frequently exhibit a small quantum defect, ytterbium-doped tungstates allow for notably small values. For example, a 1030-nm Yb:YAG laser would normally be pumped all-around 940 nm, Whilst Yb:KGW or Yb:KYW may be most effectively pumped all around 981 nm.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) in comparison with its counterpart Yb:KGW, is a amazing product that plays an important position in laser technological innovation. Its Main functionality will be to create ultrashort pulses of light, spanning only a few hundred femtoseconds.
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