Getting My KYW Crystal To Work
Getting My KYW Crystal To Work
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In realistic phrases, the Yb:KYW crystal has located its market in large-electrical power laser programs as a result of its capability to produce substantial Strength ultrashort laser pulses although sustaining a compact size. The interaction of its capabilities �?seamless ytterbium substitution, sturdy absorption traits, ultrashort pulse era and efficiency in Electricity conversion �?positions the Yb:KYW crystal like a cornerstone in the laser engineering, masking various fields starting from scientific study to industrial apps.
The comparison with glasses is appropriate Considering that the substantial get bandwidth makes it possible for e.g. tungstate femtosecond lasers and tunable lasers to compete with glass lasers.
We existing a dual-crystal Yb:KGW laserthat iscapable to function for a Q-switched oscillator with output ability up to 24 W and pulse duration of twenty ns,or for a regenerative amplifier with output electric power around 21 W and pulse duration below two hundred fs immediately after compression of chirped pulses. Each lasers have superb beam high-quality with beam parameter M2
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This paper describes a femtosecond laser regenerative amplifier depending on two Yb:KYW crystals with direct longitudinal pumping by effective linear arrays of semiconductor injection lasers getting fiber output. To prevent spectral narrowing during amplification as well as the corresponding lengthening in the amplified pulse when it's compressed, a mix of two Yb:KYW crystals have been utilized, While using the spectral maxima on the amplification shifted relative to each other and with spectral profiling with the amplified radiation.
Before the development of Nd:YAG, Nd3+:CaWO4 was a vital uncommon-earth-doped laser achieve medium. It absolutely was in reality Utilized in the main constantly running crystal laser.
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A superior brightnessQ-switched oscillator and regenerative amplifier based on a twin-crystal Yb:KGW laser
... at 50 percent-height have been generated in a learn oscillator with selfsynchronization on the axial modes, described inside our previously article. 21 The new edition in the laser, unlike that explained in our previously article, utilized an Yb:KYW crystal by having an N pcut (optical axis N p with the index ellipsoid was parallel to your propagation way with the laser radiation), Along with the polarization on the created radiation directed along the N m axis.
Having said that, at the time Nd3+:YAG grew to become commercially available, the curiosity in CaWO4 dropped sharply. In later years, selected other tungstate crystals started to appeal to a great deal of awareness.
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Li2WO4-WO3 flux was correctly applied minimizing The expansion temperature down below 900 oC. Based on solitary crystal x-ray measurements, the crystal corresponds on the P2/n House team.
Yb:KYW crystal (Yb-doped potassium yttrium tungstate) when compared with its counterpart Yb:KGW, is often a extraordinary product that performs a significant check here position in laser know-how. Its Principal perform is to deliver ultrashort pulses of light, spanning just a few hundred femtoseconds.
Check with RP Photonics for any suggestions about tungstate lasers, like femtosecond lasers and higher-electric power lasers.