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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, in comparison with its counterpart Yb:KGW, can be a extraordinary product that performs an important function in laser technological innovation. Its Key perform would be to create ultrashort pulses of light, spanning just some hundred femtoseconds.
Femtosecond laser based on Yb:KYW crystals with suppression of spectral narrowing in the regenerative amplifier by spectral profiling of the heart beat
The absorption and emission spectra of Yb:KYW Crystals Show robust peaks at 980 nm and 1030 nm, respectively, guaranteeing successful Electricity conversion and superior overall performance in laser methods.
Optical structure of the 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 often a half-wave plate, CL is usually a collimating lens, FL is actually a concentrating lens, AE is surely an Lively element constructed from an Yb:KYW crystal, DM is a spherical dichroic mirror, M1-M6 tend to be the cavity mirrors, OC will be the output mirror, and SAM can be a semiconductor saturable-absorber mirror.
Adhesion Examination Compliant with MIL-C-675C armed service standards, an adhesion examination associated implementing a tape that meets LT-90 specs onto the lens film layer. The tape was affixed totally after which taken out vertically. This technique was done 3 times, leading to no blistering or peeling.
Raman, luminescence and transmission spectra expose optical functions owing on the existence of thulium ions, and therefore the supplies could possibly be even more analyzed while in the scope of laser and luminescence apps.
Spatial structure of the beam and the corresponding depth profiles I for the output with the laser.
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... Not merely the situation of crystal during the cavity but will also the amplification axis of crystal influences the laser Procedure considerably, since the absorption and emission cross sections on the crystal are very diverse based on the orientation in the crystal.
The thermal conductivity of widespread double tungstates is from the get to 3–four W/(K m) �?which is not undesirable in comparison with other laser crystals (Despite the fact that a number of periods under for YAG), and quite huge when compared Using the thermal conductivity of read more regular Eyeglasses.
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