An Unbiased View of KYW Crystal
An Unbiased View of KYW Crystal
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This exclusive characteristic of ultrafast pulses enables nonlinear optical interaction with tissue at minimal All round publicity, and drives apps for example deep-tissue multiphoton microscopy and significant-precision eye surgical procedure
We present a dual-crystal Yb:KGW laserthat iscapable to function as being a Q-switched oscillator with output electricity approximately 24 W and pulse duration of twenty ns,or like a regenerative amplifier with output power around 21 W and pulse period below two hundred fs immediately after compression of chirped pulses. Both of those lasers have excellent beam excellent with beam parameter M2
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Ultrafast lasers, with pulse widths of a few picoseconds (10−twelve s) or a lot less, empower time resolution expected in laser-enthusiastic fluorescence life span spectroscopy and imaging approaches.In addition, they provide higher pulse peak powers at higher repetition prices and average regular output powers.
Just after air drying and subsequent cleansing by using a cotton cloth soaked in alcohol, the film area showed no signs of peeling or scratches.
PDF Yb:KGW and Yb:KYW crystals have broad emission bandwidths and are utilized as lasing supplies to deliver ultrashort (~ 100-200 fs) substantial electric power pulses. Immediate pump of Yb:KGW/KYW crystals with laser diodes functioning at 981 nm supports compact laser systems.
5 mm aside from the middle of your beam caustic. In order to check the mode matching simulation, we executed the experiment with Ng-Reduce crystal oscillator, which was designed Earlier and in a identical ailment with simulation [eleven]. As revealed in Determine 3(b) with purple dots and line, the CW output ability is highly dependent on the placement of here laser crystal along with the experimental outcome coincides properly with simulation result. As a note, multimode operation occurred in experiment when the size on the pump beam is bigger than TEM00 cavity manner and it brings about larger CW output energy within the displacement location under 3.5 mm.
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By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW due to the comparable dimensions of such chemical elements nearly 100% of Yb-doping could possibly be accomplished.
The thermal conductivity of typical double tungstates is from the get to three–four W/(K m) �?which isn't negative as opposed with other laser crystals (Whilst a number of situations less than for YAG), and fairly big when compared Using the thermal conductivity of regular glasses.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) as compared to its counterpart Yb:KGW, is often a exceptional materials that performs a vital job in laser technologies. Its Main functionality is to make ultrashort pulses of light, spanning just a couple hundred femtoseconds.
Concurrently, a shorter laser wavelength is usually obtained; it is possible to work that has a quantum defect nicely below one%. Like a consequence, the warmth technology can be so small this partly compensates the reduce thermal conductivity.