5 Simple Statements About KYW Crystal Explained
5 Simple Statements About KYW Crystal Explained
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, in comparison with its counterpart Yb:KGW, is usually a outstanding content that performs an important job in laser engineering. Its Most important function is always to create ultrashort pulses of light, spanning only a few hundred femtoseconds.
Femtosecond laser dependant on Yb:KYW crystals with suppression of spectral narrowing within a regenerative amplifier by spectral profiling of the heart beat
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Ultrafast lasers, with pulse widths of some picoseconds (ten−12 s) or considerably less, empower enough time resolution expected in laser-energized fluorescence life time spectroscopy and imaging tactics.Also, they supply substantial pulse peak powers at substantial repetition costs and moderate typical output powers.
Adhesion Examination Compliant with MIL-C-675C military specifications, an adhesion take a look at involved applying a tape that meets LT-90 specs onto the lens film layer. The tape was affixed entirely and afterwards eradicated vertically. This course of action was done 3 times, leading to no blistering or peeling.
Raman, luminescence and transmission spectra reveal optical characteristics owing to your existence of thulium ions, and as a consequence the materials can be additional researched within the scope of laser and luminescence programs.
Tungstates are likely to possess substantial Raman coefficients (�?Raman scattering). Hence, they are able to make major Raman attain at moderate optical intensities. It is possible to use the laser crystal alone to be a Raman converter.
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By substituting yttrium with ytterbium in the crystal lattice of Yb:KYW because of the comparable measurements of these chemical elements up to a hundred% of Yb-doping can be realized.
The thermal conductivity of common double tungstates is of your buy to 3–four W/(K m) �?which is not lousy in comparison with other laser crystals (Even though quite a few moments less than for YAG), and rather big when compared With all the thermal conductivity of usual Eyeglasses.
Li2WO4-WO3 flux was effectively utilized cutting down The expansion temperature below 900 oC. As outlined by one crystal x-ray measurements, KYW Crystal the crystal corresponds to the P2/n Area group.
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