KYW Crystal Secrets

KYW Crystal Secrets

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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, when compared to its counterpart Yb:KGW, is a outstanding material that performs an essential position in laser technological know-how. Its primary perform is always to make ultrashort pulses of light, spanning just a few hundred femtoseconds.

time. Crystals of your compound melts congruently at 1007 oC, however soften crystallization of top quality crystal is extremely hard on account of phase changeover at ~920 oC. The top seeded Option system from

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Optical layout of the laser with direct pumping With all the radiation of semiconductor injection lasers. LD is definitely an IPG Photonics laser diode with fiber output of the radiation, WP is usually a 50 percent-wave plate, CL is really a collimating lens, FL is usually a focusing lens, AE can be an active component constructed from an Yb:KYW crystal, DM is really a spherical dichroic mirror, M1-M6 are definitely the cavity mirrors, OC will be the output mirror, and SAM can be a semiconductor saturable-absorber mirror.

The monoclinic crystal structures brings about a purely natural birefringence, assisting to stay clear of thermally induced polarization rotation and depolarization decline.

PDF Yb:KGW and Yb:KYW crystals have broad emission bandwidths and they are used as lasing resources to crank out ultrashort (~ a hundred-two hundred fs) large ability pulses. Immediate pump of Yb:KGW/KYW crystals with laser diodes running at 981 nm supports compact laser systems.

Spatial structure of the beam and the corresponding depth profiles I for the output with the laser.

... at 50 percent-peak had been generated in a very master oscillator with selfsynchronization with the axial modes, explained within our earlier posting. 21 The new edition on the laser, as opposed to that described inside our previously post, made use of an Yb:KYW crystal having an N pcut (optical axis N p on the index ellipsoid was parallel for the propagation direction with the laser radiation), With all the polarization of the produced radiation directed along the N m axis.

By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW due to very similar measurements of these chemical features approximately 100% of Yb-doping could be obtained.

The thermal conductivity of prevalent double tungstates is in the order to 3–four W/(K m) �?which is not lousy when compared with other laser crystals (Though a website number of occasions fewer than for YAG), and relatively large in comparison with the thermal conductivity of normal Eyeglasses.

Li2WO4-WO3 flux was successfully utilized lessening the growth temperature under 900 oC. According to single crystal x-ray measurements, the crystal corresponds on the P2/n House group.

Yb:KYW crystal (Yb-doped potassium yttrium tungstate) when compared with its counterpart Yb:KGW, is often a extraordinary product that performs a vital part in laser technological innovation. Its Principal operate is always to generate ultrashort pulses of sunshine, spanning only a few hundred femtoseconds.

Talk to RP Photonics for almost any assistance concerning tungstate lasers, such as femtosecond lasers and large-electrical power lasers.