New Step by Step Map For KYW Crystal
New Step by Step Map For KYW Crystal
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The comparison with glasses is acceptable For the reason that substantial get bandwidth will allow e.g. tungstate femtosecond lasers and tunable lasers to contend with glass lasers.
time. Crystals from the compound melts congruently at 1007 oC, however soften crystallization of top quality crystal is impossible due to period changeover at ~920 oC. The very best seeded solution process from
Colour-coded reflectivity of a Bragg mirror being a functionality of wavelength and angle of the incident beam.
Optical structure of a laser with immediate pumping Along with the radiation of semiconductor injection lasers. LD is undoubtedly an IPG Photonics laser diode with fiber output from the radiation, WP is usually a fifty percent-wave plate, CL is usually a collimating lens, FL is actually a concentrating lens, AE is definitely an Lively component constructed from an Yb:KYW crystal, DM is usually a spherical dichroic mirror, M1-M6 would be the cavity mirrors, OC is definitely the output mirror, and SAM is actually a semiconductor saturable-absorber mirror.
The monoclinic crystal structures leads to a natural birefringence, assisting to steer clear of thermally induced polarization rotation and depolarization reduction.
FIG. one. Optical layout of a laser with direct pumping Using the radiation of semiconductor injection lasers. LD is definitely an IPG Photonics laser diode with fiber output
A significant brightnessQ-switched oscillator and regenerative amplifier dependant on a twin-crystal Yb:KGW laser
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... Not just the situation of crystal within the cavity but in addition the amplification axis of crystal influences the laser Procedure enormously, as the absorption and emission cross sections of your crystal are quite different according to the orientation of the crystal.
While ytterbium-doped laser obtain media normally show a little quantum defect, ytterbium-doped tungstates allow for for especially little values. As an example, a 1030-nm Yb:YAG laser would Commonly be pumped all over 940 nm, While Yb:KGW or Yb:KYW may be most proficiently pumped close to 981 nm.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) when compared to its counterpart Yb:KGW, is often a extraordinary product that performs a very important part in laser technology. Its Most important purpose is usually to create ultrashort pulses of sunshine, spanning just a couple hundred femtoseconds.
Question RP Photonics for almost here any information about tungstate lasers, like femtosecond lasers and significant-electric power lasers.