KYW Crystal - An Overview
KYW Crystal - An Overview
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The acquire bandwidth e.g. of Yb:KGW and Yb:KYW is incredibly massive when compared with that of Yb:YAG. This permits for huge wavelength tunability and for A great deal shorter pulse durations from mode-locked lasers. Values very well below 100 fs happen to be achieved with passive mode locking.
The comparison with glasses is appropriate For the reason that significant gain bandwidth enables e.g. tungstate femtosecond lasers and tunable lasers to compete with glass lasers.
Femtosecond laser based upon Yb:KYW crystals with suppression of spectral narrowing in the regenerative amplifier by spectral profiling of the heartbeat
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This paper describes a femtosecond laser regenerative amplifier based upon two Yb:KYW crystals with immediate longitudinal pumping by strong linear arrays of semiconductor injection lasers getting fiber output. To forestall spectral narrowing during amplification along with the corresponding lengthening from the amplified pulse when it really is compressed, a combination of two Yb:KYW crystals were utilized, While using the spectral maxima on the amplification shifted relative to one another and with spectral profiling from the amplified radiation.
Adhesion Check Compliant with MIL-C-675C navy specifications, an adhesion test involved applying a tape that meets LT-90 specifications onto the lens film layer. The tape was affixed absolutely after which taken out vertically. This process was performed 3 times, leading to no blistering or peeling.
FIG. one. Optical website layout of the laser with immediate pumping Using the radiation of semiconductor injection lasers. LD is really an IPG Photonics laser diode with fiber output
Spatial structure from the beam as well as the corresponding intensity profiles I on the output on the laser.
... at 50 %-height ended up created within a learn oscillator with selfsynchronization from the axial modes, described inside our earlier report. 21 The new edition of the laser, in contrast to that explained in our earlier write-up, employed an Yb:KYW crystal with an N pcut (optical axis N p from the index ellipsoid was parallel towards the propagation way of the laser radiation), Along with the polarization of the created radiation directed together the N m axis.
By substituting yttrium with ytterbium from the crystal lattice of Yb:KYW a result of the equivalent dimensions of such chemical things around a hundred% of Yb-doping might be attained.
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Li2WO4-WO3 flux was properly used decreasing the growth temperature below 900 oC. According to single crystal x-ray measurements, the crystal corresponds to your P2/n House team.
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