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The comparison with Eyeglasses is appropriate since the massive get bandwidth allows e.g. tungstate femtosecond lasers and tunable lasers to compete with glass lasers.

time. Crystals in the compound melts congruently at 1007 oC, nonetheless melt crystallization of top quality crystal is not possible as a consequence of period transition at ~920 oC. The highest seeded Answer system from

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This paper describes a femtosecond laser regenerative amplifier based upon two Yb:KYW crystals with direct longitudinal pumping by impressive linear arrays of semiconductor injection lasers owning fiber output. To avoid spectral narrowing throughout amplification as well as corresponding lengthening in the amplified pulse when it is actually compressed, a combination of two Yb:KYW crystals have been applied, With all the spectral maxima from the amplification shifted relative to each other and with spectral profiling of your amplified radiation.

Just before the event of Nd:YAG, Nd3+:CaWO4 was a very important exceptional-earth-doped laser gain medium. It absolutely was in truth used in the 1st repeatedly operating crystal laser.

FIG. one. Optical layout of the laser with immediate pumping with the radiation of semiconductor injection lasers. LD KYW Crystal is really an IPG Photonics laser diode with fiber output

Tungstates tend to have large Raman coefficients (�?Raman scattering). As a result, they are able to create considerable Raman attain at average optical intensities. It is possible to use the laser crystal itself as being a Raman converter.

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By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW a result of the very similar measurements of these chemical factors as much as a hundred% of Yb-doping may very well be realized.

The thermal conductivity of prevalent double tungstates is in the order to three–4 W/(K m) �?which is not lousy when compared with other laser crystals (Though a number of situations a lot less than for YAG), and relatively big when compared Together with the thermal conductivity of common Eyeglasses.

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Inquire RP Photonics for virtually any tips concerning tungstate lasers, which include femtosecond lasers and large-power lasers.