KYW Crystal - An Overview
KYW Crystal - An Overview
Blog Article
The attain bandwidth e.g. of Yb:KGW and Yb:KYW is very huge in contrast with that of Yb:YAG. This allows for vast wavelength tunability and for Significantly shorter pulse durations from method-locked lasers. Values very well down below a hundred fs are actually obtained with passive method locking.
The comparison with Eyeglasses is appropriate since the big acquire bandwidth lets e.g. tungstate femtosecond lasers and tunable lasers to contend with glass lasers.
We current a twin-crystal Yb:KGW laserthat iscapable to work as a Q-switched oscillator with output electrical power as many as 24 W and pulse duration of twenty ns,or as a regenerative amplifier with output ability nearly 21 W and pulse period underneath 200 fs right after compression of chirped pulses. The two lasers have fantastic beam high quality with beam parameter M2
Coloration-coded reflectivity of the Bragg mirror being a functionality of wavelength and angle of the incident beam.
Ultrafast lasers, with pulse widths of a few picoseconds (ten−twelve s) or significantly less, enable time resolution expected in laser-thrilled fluorescence life time spectroscopy and imaging procedures.What's more, they supply superior pulse peak powers at significant repetition charges and moderate ordinary output powers.
Just before the event of Nd:YAG, Nd3+:CaWO4 was a very important exceptional-earth-doped laser obtain medium. It absolutely was in reality Employed in the very first consistently functioning crystal laser.
FIG. one. Optical format of a laser with immediate pumping Together with the radiation of semiconductor injection lasers. LD is definitely an IPG Photonics laser diode with fiber output
five mm other than the center with the beam caustic. So that you can Test the method matching simulation, we performed the experiment with Ng-cut crystal oscillator, which was made Earlier and in a exact issue with simulation [11]. As revealed in Figure three(b) with crimson dots and line, the CW output power is extremely dependent on the placement of laser crystal and also the experimental final result coincides effectively with simulation result. Being a note, multimode operation transpired in experiment when the dimension with the pump beam is bigger than TEM00 cavity manner and it causes larger CW output ability within the displacement area down below three.5 mm.
EKSMA Optics employs cookies to give you the most effective shopping experience. In case you go on to make use of our providers, We'll suppose that you simply agree to the use of this sort of cookies.
By substituting yttrium with ytterbium in the crystal lattice of Yb:KYW because of the identical dimensions of these chemical elements around 100% of Yb-doping can be realized.
When ytterbium-doped laser attain media typically exhibit a small quantum defect, ytterbium-doped more info tungstates permit for specifically tiny values. By way of example, a 1030-nm Yb:YAG laser would Generally be pumped all around 940 nm, While Yb:KGW or Yb:KYW could possibly be most effectively pumped about 981 nm.
This tandem of characteristics has much-achieving implications, specially in the construction of compact nevertheless powerfull lasers.
The polarized absorption spectra of Tm3+-doped potassium yttrium tungstate (Tm:KY(WO4)two) crystal at space temperature have been calculated. The emission spectrum and life span from the 3 File four fired up condition ended up identified. Utilizing common and modified Judd–Ofelt theories, the depth parameters plus the radiative lifetimes had been calculated and very good settlement While using the experimental results was obtained for both theories.
To be certain we keep this website Secure, make sure you are you able to confirm you're a human by ticking the box down below. When you are not able to finish the above ask for make sure you Get in touch with us using the down below hyperlink, providing a screenshot of your respective working experience.