KYW Crystal No Further a Mystery
KYW Crystal No Further a Mystery
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The obtain bandwidth e.g. of Yb:KGW and Yb:KYW is rather huge in comparison with that of Yb:YAG. This permits for large wavelength tunability and for much shorter pulse durations from mode-locked lasers. Values effectively below one hundred fs have been reached with passive method locking.
This exclusive characteristic of ultrafast pulses permits nonlinear optical interaction with tissue at very low Over-all exposure, and drives applications like deep-tissue multiphoton microscopy and significant-precision eye operation
We present a dual-crystal Yb:KGW laserthat iscapable to work to be a Q-switched oscillator with output power as much as 24 W and pulse length of twenty ns,or to be a regenerative amplifier with output electric power as many as 21 W and pulse length under 200 fs following compression of chirped pulses. Each lasers have excellent beam top quality with beam parameter M2
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By substituting yttrium with ytterbium from the crystal lattice of Yb:KYW due to the equivalent measurements of those chemical aspects as many as a hundred% of Yb-doping can be achieved. This unique attribute permits ytterbium to go ahead and take place of yttrium with virtually no disruption to the crystal’s lattice.
The monoclinic crystal structures brings about a purely natural birefringence, helping to steer clear of thermally induced polarization rotation and depolarization decline.
PDF Yb:KGW and Yb:KYW crystals have broad emission bandwidths and they are applied as lasing elements to make ultrashort (~ 100-two hundred fs) substantial energy pulses. Immediate pump of Yb:KGW/KYW crystals with laser diodes working at 981 nm supports compact laser systems.
five mm in addition to the middle from the beam caustic. In order to Examine the method matching simulation, we performed the experiment with Ng-cut crystal oscillator, which was designed Beforehand As well as in a exact same condition with simulation [11]. As revealed in Figure three(b) with pink dots and line, the CW output electricity is very dependent on click here the situation of laser crystal along with the experimental end result coincides well with simulation result. Like a Observe, multimode Procedure happened in experiment when the sizing with the pump beam is bigger than TEM00 cavity method and it results in greater CW output electricity during the displacement region beneath 3.5 mm.
For tungstates, the ytterbium doping focus can be very significant with out major quenching because the replaced ions have an exceptionally similar ion radius, along with the inter-ion length is pretty big.
Superior-electrical power repetitively pulsed ytterbium lasers with supershort pulse width and immediate diode pumping for technological and biomedical purposes
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