The Single Best Strategy To Use For KYW Crystal
The Single Best Strategy To Use For KYW Crystal
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, when compared to its counterpart Yb:KGW, is often a amazing content that plays an important purpose in laser know-how. Its Major function should be to make ultrashort pulses of sunshine, spanning only a few hundred femtoseconds.
time. Crystals from the compound melts congruently at 1007 oC, having said that melt crystallization of top quality crystal is impossible on account of section transition at ~920 oC. The very best seeded Option method from
Coloration-coded reflectivity of a Bragg mirror as being a operate of wavelength and angle with the incident beam.
Ultrafast lasers, with pulse widths of some picoseconds (ten−12 s) or considerably less, permit time resolution necessary in laser-fired up fluorescence lifetime spectroscopy and imaging techniques.What's more, they supply large pulse peak powers at higher repetition rates and reasonable typical output powers.
After air drying and subsequent cleansing with a cotton cloth soaked in Liquor, the movie surface showed no signs of peeling or scratches.
PDF Yb:KGW and Yb:KYW crystals have wide emission bandwidths and are applied as lasing components to generate ultrashort (~ one hundred-two hundred fs) large power pulses. Direct pump of Yb:KGW/KYW crystals with laser diodes running at 981 nm supports compact laser techniques.
five mm in addition to the middle on the beam caustic. In an effort to Examine the mode matching simulation, we executed the experiment with Ng-Minimize crystal oscillator, which was produced previously As well as in a identical condition with simulation [eleven]. As shown in Determine 3(b) with pink dots and line, the CW output electricity is highly dependent on the position of laser crystal along with the experimental outcome coincides very well with simulation end result. To be a Notice, multimode Procedure happened in experiment once the dimensions of the pump beam is more substantial than TEM00 cavity manner and it causes larger CW output electrical power during the displacement region beneath 3.5 mm.
... at fifty percent-height were here being generated inside a learn oscillator with selfsynchronization with the axial modes, described inside our previously post. 21 The new edition in the laser, in contrast to that explained in our previously post, used an Yb:KYW crystal by having an N pcut (optical axis N p in the index ellipsoid was parallel into the propagation route of your laser radiation), Together with the polarization of the produced radiation directed alongside the N m axis.
By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW because of the similar dimensions of these chemical elements as many as one hundred% of Yb-doping could be realized.
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Talk to RP Photonics for just about any advice relating to tungstate lasers, including femtosecond lasers and significant-electrical power lasers.