KYW Crystal - An Overview
KYW Crystal - An Overview
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In useful terms, the Yb:KYW crystal has observed its niche in high-energy laser applications because of its capacity to crank out substantial Electrical power ultrashort laser pulses even though protecting a compact measurement. The interplay of its options �?seamless ytterbium substitution, potent absorption characteristics, ultrashort pulse era and performance in Vitality conversion �?positions the Yb:KYW crystal like a cornerstone from the laser engineering, masking numerous fields ranging from scientific analysis to industrial programs.
The comparison with glasses is appropriate Considering that the substantial obtain bandwidth lets e.g. tungstate femtosecond lasers and tunable lasers to compete with glass lasers.
The Yb:KYW crystal’s proficiency in light absorption at all over 981 nm would make the crystal well matched for diode pumping. It is more Increased by its remarkable efficiency in this process, coupled with its minimal quantum defect.
Color-coded reflectivity of the Bragg mirror like a functionality of wavelength and angle from the incident beam.
Optical layout of a laser with direct pumping Together with the radiation of semiconductor injection lasers. LD is surely an IPG Photonics laser diode with fiber output of the radiation, WP is a 50 percent-wave plate, CL is a collimating lens, FL is actually a focusing lens, AE is an Lively factor produced from an Yb:KYW crystal, DM is a spherical dichroic mirror, M1-M6 are definitely the cavity mirrors, OC is the output mirror, and SAM is actually a semiconductor saturable-absorber mirror.
The monoclinic crystal structures ends in a natural birefringence, assisting to keep away from thermally induced polarization rotation and depolarization loss.
Raman, luminescence and transmission spectra reveal optical more info characteristics owing on the existence of thulium ions, and thus the resources could possibly be even further studied inside the scope of laser and luminescence programs.
Spatial framework on the beam along with the corresponding intensity profiles I within the output with the laser.
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Significant-electrical power repetitively pulsed ytterbium lasers with supershort pulse width and immediate diode pumping for technological and biomedical programs
Even though ytterbium-doped laser get media commonly show a little quantum defect, ytterbium-doped tungstates permit for specifically modest values. For example, a 1030-nm Yb:YAG laser would Typically be pumped about 940 nm, While Yb:KGW or Yb:KYW might be most proficiently pumped all around 981 nm.
Li2WO4-WO3 flux was efficiently applied minimizing The expansion temperature down below 900 oC. In accordance with one crystal x-ray measurements, the crystal corresponds to your P2/n Place team.
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