Detailed Notes on KYW Crystal
Detailed Notes on KYW Crystal
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The obtain bandwidth e.g. of Yb:KGW and Yb:KYW is rather big in comparison with that of Yb:YAG. This permits for large wavelength tunability and for Considerably shorter pulse durations from manner-locked lasers. Values well beneath one hundred fs are actually achieved with passive method locking.
The comparison with Eyeglasses is appropriate Considering that the significant attain bandwidth will allow e.g. tungstate femtosecond lasers and tunable lasers to compete with glass lasers.
We present a twin-crystal Yb:KGW laserthat iscapable to function as being a Q-switched oscillator with output power nearly 24 W and pulse size of 20 ns,or for a regenerative amplifier with output electric power around 21 W and pulse period under 200 fs immediately after compression of chirped pulses. The two lasers have excellent beam excellent with beam parameter M2
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This paper describes a femtosecond laser regenerative amplifier based on two Yb:KYW crystals with immediate longitudinal pumping by highly effective linear arrays of semiconductor injection lasers acquiring fiber output. To avoid spectral narrowing for the duration of amplification as well as the corresponding lengthening from the amplified pulse when it is compressed, a mix of two Yb:KYW crystals had been made use of, Along with the spectral maxima on the amplification shifted relative to each other and with spectral profiling on the amplified radiation.
Right before the development of Nd:YAG, Nd3+:CaWO4 was an important scarce-earth-doped laser obtain medium. It had been in fact used in the 1st consistently operating crystal laser.
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Spatial construction in the beam along with the corresponding intensity profiles I with the output of the laser.
For tungstates, the ytterbium doping concentration can be extremely higher devoid of substantial quenching since the changed ions have a really related ion radius, and the inter-ion distance is comparatively substantial.
By substituting yttrium with ytterbium in the crystal lattice of Yb:KYW due to the identical measurements of these chemical aspects around 100% of Yb-doping can be reached.
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