KYW Crystal - An Overview
KYW Crystal - An Overview
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In practical conditions, the Yb:KYW crystal has uncovered its area of interest in superior-electricity laser apps as a consequence of its capacity to make superior Power ultrashort laser pulses while retaining a compact sizing. The interplay of its functions �?seamless ytterbium substitution, potent absorption qualities, ultrashort pulse era and efficiency in Strength conversion �?positions the Yb:KYW crystal being a cornerstone while in the laser technologies, covering various fields ranging from scientific investigation to industrial applications.
The comparison with Eyeglasses is suitable since the huge get bandwidth lets e.g. tungstate femtosecond lasers and tunable lasers to contend with glass lasers.
The Yb:KYW crystal’s proficiency in gentle absorption at all around 981 nm would make the crystal like minded for diode pumping. It truly is further Increased by its exceptional effectiveness in this process, coupled with its low quantum defect.
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This paper describes a femtosecond laser regenerative amplifier according to two Yb:KYW crystals with immediate longitudinal pumping by powerful linear arrays of semiconductor injection lasers having fiber output. To circumvent spectral narrowing all through amplification plus the corresponding lengthening on the amplified pulse when it really is compressed, a mix of two Yb:KYW crystals have been utilized, with the spectral maxima with the amplification shifted relative to each other and with spectral profiling with the amplified radiation.
Right after air drying and subsequent cleansing that has a cotton cloth soaked in alcohol, the film floor confirmed no signs of peeling or scratches.
FIG. one. Optical layout of the laser with immediate pumping Along with the radiation of semiconductor injection lasers. LD is surely an IPG Photonics laser diode with fiber output
Tungstates are inclined to acquire substantial Raman coefficients (�?Raman scattering). Hence, they can create substantial Raman get at moderate optical intensities. It is achievable to use the laser crystal by itself like a Raman converter.
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Superior-electrical website power repetitively pulsed ytterbium lasers with supershort pulse width and immediate diode pumping for technological and biomedical applications
Although ytterbium-doped laser achieve media frequently show a little quantum defect, ytterbium-doped tungstates make it possible for for significantly compact values. For example, a 1030-nm Yb:YAG laser would normally be pumped all-around 940 nm, Whilst Yb:KGW or Yb:KYW may very well be most successfully pumped all around 981 nm.
Li2WO4-WO3 flux was properly used decreasing the growth temperature underneath 900 oC. According to single crystal x-ray measurements, the crystal corresponds to your P2/n House team.
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