Facts About KYW Crystal Revealed
Facts About KYW Crystal Revealed
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The achieve bandwidth e.g. of Yb:KGW and Yb:KYW may be very big compared with that of Yb:YAG. This permits for wide wavelength tunability and for A great deal shorter pulse durations from mode-locked lasers. Values nicely underneath 100 fs happen to be obtained with passive manner locking.
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Femtosecond laser dependant on Yb:KYW crystals with suppression of spectral narrowing in a very regenerative amplifier by spectral profiling of the heartbeat
FIG. four. Autocorrelation operate of the pulse 共a兲and spectrum 共b兲of a laser with an oblong Energetic component for an output electric power of 700 mW. The width of
Ultrafast lasers, with pulse widths of some picoseconds (10−12 s) or less, permit enough time resolution required in laser-excited fluorescence lifetime spectroscopy and imaging methods.Moreover, they produce higher pulse peak powers at high repetition rates and reasonable regular output powers.
Adhesion Test Compliant with MIL-C-675C military services criteria, an adhesion check concerned applying a tape that satisfies LT-ninety requirements on to the lens film layer. The tape was affixed thoroughly after which you can taken out vertically. This course of action was done three times, leading to no blistering or peeling.
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5 mm in addition to the center in the beam caustic. As a way to Look at the manner matching simulation, we carried out the experiment with Ng-Slash crystal oscillator, which was produced Beforehand and in a very same problem with simulation [eleven]. As demonstrated in Figure three(b) with red dots and line, the CW output power is highly depending on the placement of laser crystal and also the experimental end result coincides nicely with simulation result. Like a Notice, multimode Procedure transpired in experiment once the size from the pump beam is larger than TEM00 cavity method and it brings about bigger CW output electricity during the displacement area under three.5 mm.
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By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW mainly because of the equivalent dimensions of those chemical components approximately one hundred% of Yb-doping may very well be accomplished.
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