New Step by Step Map For KYW Crystal
New Step by Step Map For KYW Crystal
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This unique characteristic of ultrafast pulses enables nonlinear optical conversation with tissue at very low In general exposure, and drives programs such as deep-tissue multiphoton microscopy and higher-precision eye surgical treatment
Femtosecond laser based upon Yb:KYW crystals with suppression of spectral narrowing in a regenerative amplifier by spectral profiling of the heart beat
The absorption and emission spectra of Yb:KYW Crystals display sturdy peaks at 980 nm and 1030 nm, respectively, making sure effective Strength conversion and superior overall performance in laser devices.
By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW as a result of comparable dimensions of those chemical factors as much as a hundred% of Yb-doping may very well be attained. This distinctive attribute permits ytterbium to take the place of yttrium with just about no disruption for the crystal’s lattice.
Immediately after air drying and subsequent cleaning by using a cotton fabric soaked in alcohol, the film floor confirmed no signs of peeling or scratches.
PDF Yb:KGW and Yb:KYW crystals have wide emission bandwidths and so are made use of as lasing materials to generate ultrashort (~ 100-200 fs) high KYW Crystal power pulses. Direct pump of Yb:KGW/KYW crystals with laser diodes operating at 981 nm supports compact laser systems.
5 mm other than the center on the beam caustic. To be able to check the mode matching simulation, we performed the experiment with Ng-Slash crystal oscillator, which was made previously and in a very same affliction with simulation [11]. As revealed in Determine three(b) with crimson dots and line, the CW output power is extremely depending on the place of laser crystal plus the experimental outcome coincides very well with simulation result. Like a Observe, multimode operation transpired in experiment in the event the sizing of your pump beam is larger than TEM00 cavity manner and it leads to increased CW output ability in the displacement region under three.five mm.
For tungstates, the ytterbium doping concentration can be very superior devoid of important quenching because the changed ions have an exceptionally related ion radius, as well as the inter-ion length is fairly huge.
... Not just the place of crystal within the cavity and also the amplification axis of crystal impacts the laser operation drastically, since the absorption and emission cross sections of the crystal are very distinctive according to the orientation with the crystal.
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