Top KYW Crystal Secrets
Top KYW Crystal Secrets
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, in comparison with its counterpart Yb:KGW, is actually a impressive substance that plays a very important job in laser technological know-how. Its Most important purpose is usually to create ultrashort pulses of light, spanning only a few hundred femtoseconds.
Femtosecond laser based upon Yb:KYW crystals with suppression of spectral narrowing within a regenerative amplifier by spectral profiling of the heart beat
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Optical layout of the laser with direct pumping with the radiation of semiconductor injection lasers. LD is really an IPG Photonics laser diode with fiber output in the radiation, WP is a 50 percent-wave plate, CL is usually a collimating lens, FL can be a concentrating lens, AE is surely an Lively factor created from an Yb:KYW crystal, DM is a spherical dichroic mirror, M1-M6 tend to be the cavity mirrors, OC may be the output mirror, and SAM is usually a semiconductor saturable-absorber mirror.
The monoclinic crystal structures results in a natural birefringence, assisting to avoid thermally induced polarization rotation and depolarization loss.
Raman, luminescence and transmission spectra reveal optical features owing for the existence of thulium ions, and thus the resources can be further studied within the scope of laser and luminescence programs.
A substantial brightnessQ-switched oscillator and regenerative amplifier determined by a dual-crystal Yb:KGW laser
For tungstates, the ytterbium doping focus can be very higher with no substantial quenching as the replaced ions have an incredibly comparable ion radius, plus the inter-ion read more length is comparatively massive.
High-electric power repetitively pulsed ytterbium lasers with supershort pulse width and direct diode pumping for technological and biomedical programs
The thermal conductivity of common double tungstates is of your purchase to 3–four W/(K m) �?which isn't terrible in contrast with other laser crystals (although various periods below for YAG), and fairly substantial in contrast Along with the thermal conductivity of common Eyeglasses.
Li2WO4-WO3 flux was properly used cutting down the growth temperature underneath 900 oC. According to single crystal x-ray measurements, the crystal corresponds to your P2/n House group.
The polarized absorption spectra of Tm3+-doped potassium yttrium tungstate (Tm:KY(WO4)two) crystal at home temperature had been measured. The emission spectrum and life span of the 3 F 4 energized point out were being determined. Making use of typical and modified Judd–Ofelt theories, the depth parameters and the radiative lifetimes were calculated and excellent arrangement While using the experimental results was obtained for each theories.
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