KYW Crystal Secrets
KYW Crystal Secrets
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The comparison with Eyeglasses is acceptable Because the huge acquire bandwidth lets e.g. tungstate femtosecond lasers and tunable lasers to contend with glass lasers.
We current a twin-crystal Yb:KGW laserthat iscapable to work like a Q-switched oscillator with output electric power as much as 24 W and pulse duration of 20 ns,or to be a regenerative amplifier with output energy as much as 21 W and pulse period beneath 200 fs after compression of chirped pulses. The two lasers have outstanding beam excellent with beam parameter M2
FIG. 4. Autocorrelation perform of the pulse 共a兲and spectrum 共b兲of a laser with a rectangular Energetic element for an output electrical power of seven-hundred mW. The width of
By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW due to the comparable sizes of these chemical components around one hundred% of Yb-doping may very well be realized. This one of a kind attribute permits ytterbium to go ahead and take position of yttrium with virtually no disruption to the crystal’s lattice.
Adhesion Examination Compliant with MIL-C-675C armed forces expectations, an adhesion test involved applying a tape that meets LT-ninety technical specs on to the lens movie layer. The tape was affixed thoroughly and then eliminated vertically. This treatment was executed three times, resulting in no blistering or peeling.
FIG. 1. Optical layout of the laser with immediate pumping While using the radiation of semiconductor injection lasers. LD is surely an IPG Photonics laser diode with fiber output
Tungstates are inclined to possess high Raman coefficients (�?Raman scattering). Hence, they could crank out substantial Raman get at average optical intensities. It can be done to make use of the laser crystal by itself to website be a Raman converter.
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Even so, the moment Nd3+:YAG became commercially out there, the curiosity in CaWO4 dropped sharply. In afterwards several years, specified other tungstate crystals started to catch the attention of plenty of awareness.
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This tandem of attributes has considerably-reaching implications, notably in the development of compact nonetheless powerfull lasers.
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Request RP Photonics for any guidance regarding tungstate lasers, which include femtosecond lasers and large-electricity lasers.