Everything about KYW Crystal
Everything about KYW Crystal
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This unique attribute of ultrafast pulses allows nonlinear optical interaction with tissue at low In general publicity, and drives apps for example deep-tissue multiphoton microscopy and higher-precision eye surgery
We current a dual-crystal Yb:KGW laserthat iscapable to function for a Q-switched oscillator with output electrical power nearly 24 W and pulse duration of twenty ns,or for a regenerative amplifier with output ability as many as 21 W and pulse length under 200 fs following compression of chirped pulses. Both lasers have fantastic beam high-quality with beam parameter M2
FIG. 4. Autocorrelation purpose of the heartbeat 共a兲and spectrum 共b兲of the laser with a rectangular Lively component for an output ability of 700 mW. The width of
By substituting yttrium with ytterbium in the crystal lattice of Yb:KYW a result of the identical sizes of these chemical components approximately one hundred% of Yb-doping can be achieved. This special characteristic permits ytterbium to take the place of yttrium with virtually no disruption towards the crystal’s lattice.
Adhesion Take a look at Compliant with MIL-C-675C military services expectations, an adhesion exam associated implementing a tape that satisfies LT-ninety technical specs on to the lens movie layer. The tape was affixed entirely then eliminated vertically. This method was performed 3 times, resulting in no blistering or peeling.
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five mm other than the middle of your beam caustic. In order to Test the mode matching simulation, we executed the experiment with Ng-Minimize crystal oscillator, which was created Earlier and in a very same condition with simulation [11]. As demonstrated in Determine three(b) with red dots and line, the CW output electricity is very dependent on the placement of laser crystal as well as experimental result coincides properly with simulation outcome. Being a note, multimode operation transpired in experiment once the dimensions of your pump beam is greater than TEM00 cavity method and it triggers larger CW output electrical power from the displacement region beneath 3.five mm.
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Superior-electrical power repetitively pulsed ytterbium lasers with supershort pulse width and immediate diode pumping for technological and biomedical applications
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Li2WO4-WO3 flux was properly used decreasing the growth temperature underneath 900 oC. According to single crystal x-ray measurements, the crystal corresponds for the P2/n space group.
Yb:KYW crystal (Yb-doped potassium yttrium tungstate) in comparison with its counterpart Yb:KGW, is actually a impressive content that plays an essential function in laser technologies. Its Main function should be to crank out ultrashort pulses of light, spanning just some KYW Crystal hundred femtoseconds.
Concurrently, a shorter laser wavelength is usually received; it is achievable to operate with a quantum defect very well under one%. As being a consequence, the warmth generation is often so tiny this partly compensates the reduced thermal conductivity.