New Step by Step Map For KYW Crystal
New Step by Step Map For KYW Crystal
Blog Article
The attain bandwidth e.g. of Yb:KGW and Yb:KYW is rather substantial in contrast with that of Yb:YAG. This enables for extensive wavelength tunability and for Significantly shorter pulse durations from manner-locked lasers. Values well under 100 fs are realized with passive manner locking.
The comparison with Eyeglasses is suitable Because the big gain bandwidth enables e.g. tungstate femtosecond lasers and tunable lasers to compete with glass lasers.
Femtosecond laser depending on Yb:KYW crystals with suppression of spectral narrowing inside of a regenerative amplifier by spectral profiling of the pulse
FIG. four. Autocorrelation function of the heartbeat 共a兲and spectrum 共b兲of the laser with a rectangular Energetic element for an output electricity of seven hundred mW. The width of
By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW a result of the very similar dimensions of such chemical factors as many as a hundred% of Yb-doping can be achieved. This unique attribute permits ytterbium to go ahead and take position of yttrium with pretty much no disruption to your crystal’s lattice.
Adhesion Test Compliant with MIL-C-675C military services benchmarks, an adhesion take a look at associated implementing a tape that satisfies LT-ninety technical specs onto the lens movie layer. The tape was affixed absolutely and afterwards eradicated vertically. This technique was done 3 times, causing no blistering or peeling.
Raman, luminescence and transmission spectra expose optical attributes owing for the presence of thulium ions, and therefore the supplies may be further more examined in the scope of laser and luminescence applications.
five mm other than the center of the beam caustic. In order to Look at the manner matching simulation, we carried out the experiment with Ng-Reduce crystal oscillator, which was made Earlier and in a very same problem with simulation [eleven]. As demonstrated in Determine 3(b) with purple dots and line, the CW output electrical power is very dependent on the posture of laser crystal as well as the experimental result coincides properly with simulation result. Being a note, multimode operation transpired in experiment in the event the dimension of the pump beam is more substantial than TEM00 cavity manner and it causes larger CW output electric power in the displacement region beneath 3.5 mm.
For tungstates, the ytterbium doping concentration can be extremely large without the need of considerable quenching since the changed ions have a really very similar ion radius, and the inter-ion distance is comparatively substantial.
Large-ability repetitively pulsed ytterbium lasers with supershort pulse width and direct diode pumping for technological and biomedical programs
Because of Beforehand detected destructive behavior which originated from the community you're applying, you should request unblock to web-site.
This tandem of attributes has much-achieving implications, especially in the construction of compact but powerfull lasers.
The polarized absorption spectra of Tm3+-doped potassium yttrium tungstate (Tm:KY(WO4)two) crystal at space temperature were measured. The emission spectrum and life span with the three F 4 enthusiastic point out have been decided. Employing regular and modified Judd–Ofelt theories, the depth parameters plus the radiative lifetimes were calculated and great arrangement Using the experimental final results was acquired for the two theories.
In this article you can submit thoughts and opinions. As far as they get approved by the author, they're going to surface over this paragraph together with the writer’s remedy. The creator will determine KYW Crystal acceptance according to specified standards. Fundamentally, The difficulty needs to be of adequately wide fascination.