Not known Details About KYW Crystal

Not known Details About KYW Crystal

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The achieve bandwidth e.g. of Yb:KGW and Yb:KYW is quite large compared with that of Yb:YAG. This allows for broad wavelength tunability and for A lot shorter pulse durations from mode-locked lasers. Values perfectly down below a hundred fs have already been achieved with passive manner locking.

This special characteristic of ultrafast pulses enables nonlinear optical conversation with tissue at minimal overall publicity, and drives applications which include deep-tissue multiphoton microscopy and large-precision eye surgical procedures

We current a dual-crystal Yb:KGW laserthat iscapable to operate like a Q-switched oscillator with output electricity approximately 24 W and pulse size of 20 ns,or as a regenerative amplifier with output ability up to 21 W and pulse duration below two hundred fs just after compression of chirped pulses. Both lasers have superb beam high quality with beam parameter M2

FIG. four. Autocorrelation function of the heartbeat 共a兲and spectrum 共b兲of the laser with a rectangular Energetic aspect for an output energy of seven hundred mW. The width of

By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW due to very similar measurements of those chemical aspects as many as a hundred% of Yb-doping may very well be realized. This one of a kind attribute permits ytterbium to take the spot of yttrium with nearly no disruption towards the crystal’s lattice.

Adhesion Exam Compliant with MIL-C-675C military requirements, an adhesion test concerned making use of a tape that satisfies LT-90 specs onto the lens film layer. The tape was affixed entirely after which you can removed vertically. This process was performed three times, resulting in no blistering or peeling.

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Spatial framework from the beam and the corresponding depth profiles I in the output of your laser.

For tungstates, the ytterbium doping concentration can be quite significant without considerable quenching since the changed ions have a very comparable ion radius, as well as inter-ion distance is comparatively huge.

Having said that, at the time Nd3+:YAG turned commercially available, the interest in CaWO4 dropped sharply. In later years, particular other tungstate crystals started to attract a lot of attention.

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