KYW Crystal - An Overview
KYW Crystal - An Overview
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In functional conditions, the Yb:KYW crystal has identified its specialized niche in significant-electricity laser programs on account of its capability to create significant Strength ultrashort laser pulses while protecting a compact sizing. The interplay of its options �?seamless ytterbium substitution, sturdy absorption qualities, ultrashort pulse generation and efficiency in Electrical power conversion �?positions the Yb:KYW crystal being a cornerstone from the laser technology, covering diverse fields starting from scientific research to industrial applications.
The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, compared to its counterpart Yb:KGW, is actually a extraordinary materials that performs an essential purpose in laser technological know-how. Its Major function is usually to make ultrashort pulses of light, spanning just some hundred femtoseconds.
We present a twin-crystal Yb:KGW laserthat iscapable to operate being a Q-switched oscillator with output ability around 24 W and pulse duration of twenty ns,or as being a regenerative amplifier with output ability up to 21 W and pulse duration beneath 200 fs right after compression of chirped pulses. Both of those lasers have superb beam top quality with beam parameter M2
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This paper describes a femtosecond laser regenerative amplifier dependant on two Yb:KYW crystals with direct longitudinal pumping by effective linear arrays of semiconductor injection lasers obtaining fiber output. To forestall spectral narrowing through amplification plus the corresponding lengthening from the amplified pulse when it's compressed, a combination of two Yb:KYW crystals were being made use of, Using the spectral maxima of the amplification shifted relative to one another and with spectral profiling on the amplified radiation.
Soon after air drying and subsequent cleaning which has a cotton cloth soaked in Alcoholic beverages, the film surface area showed no indications of peeling or scratches.
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Spatial framework with the beam plus the corresponding depth profiles I within the output with the laser.
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By substituting yttrium with ytterbium in the crystal lattice of Yb:KYW due to similar measurements of those chemical components approximately one hundred% of Yb-doping may very well be attained.
When ytterbium-doped laser acquire media generally exhibit a small quantum defect, ytterbium-doped tungstates enable for specially small values. As an example, a 1030-nm Yb:YAG laser would Generally be pumped all over 940 nm, Whilst Yb:KGW or Yb:KYW can be most competently pumped around 981 nm.
Li2WO4-WO3 flux was productively used reducing the growth temperature underneath 900 oC. Based on single crystal x-ray measurements, the crystal corresponds to your P2/n House group.
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