New Step by Step Map For KYW Crystal
New Step by Step Map For KYW Crystal
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In functional terms, the Yb:KYW crystal has uncovered its area of interest in substantial-electrical power laser applications as a consequence of its capacity to produce significant Power ultrashort laser pulses when sustaining a compact size. The interaction of its functions �?seamless ytterbium substitution, robust absorption properties, ultrashort pulse generation and efficiency in Strength conversion �?positions the Yb:KYW crystal to be a cornerstone during the laser technological innovation, masking diverse fields ranging from scientific investigation to industrial purposes.
This distinctive characteristic of ultrafast pulses enables nonlinear optical conversation with tissue at reduced Over-all exposure, and drives programs which include deep-tissue multiphoton microscopy and large-precision eye surgery
Femtosecond laser according to Yb:KYW crystals with suppression of spectral narrowing inside a regenerative amplifier by spectral profiling of the pulse
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This paper describes a femtosecond laser regenerative amplifier determined by two Yb:KYW crystals with direct longitudinal pumping by highly effective linear arrays of semiconductor injection lasers possessing fiber output. To circumvent spectral narrowing for the duration of amplification and the corresponding lengthening from the amplified pulse when it truly is compressed, a mix of two Yb:KYW crystals had been applied, Using the spectral maxima on the amplification shifted relative to one another and with spectral profiling of the amplified radiation.
The monoclinic crystal structures brings about a organic birefringence, assisting to keep away from thermally induced polarization rotation and depolarization reduction.
FIG. 1. Optical format of the laser with direct pumping Along with the radiation of semiconductor injection lasers. LD is definitely an IPG Photonics laser diode with fiber output
Tungstates are inclined to obtain superior Raman coefficients (�?Raman scattering). Hence, they can deliver sizeable Raman get at reasonable optical intensities. It is feasible to utilize the laser crystal by itself like a Raman converter.
For tungstates, the ytterbium doping focus can be extremely high without having sizeable quenching since the replaced ions have an extremely very similar ion radius, as well as the inter-ion length is comparatively huge.
Large-electric power repetitively pulsed ytterbium lasers with supershort pulse width and immediate diode pumping for technological and biomedical apps
Though ytterbium-doped laser obtain media normally show a little quantum defect, ytterbium-doped tungstates allow for especially small values. One example is, a 1030-nm Yb:YAG laser would Generally be pumped around 940 nm, Whilst Yb:KGW or Yb:KYW might be most successfully pumped all over 981 nm.
This tandem of characteristics has much-reaching implications, specially in the development of compact but powerfull lasers.
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