KYW Crystal No Further a Mystery
KYW Crystal No Further a Mystery
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This exclusive characteristic of ultrafast pulses permits nonlinear optical interaction with tissue at minimal All round publicity, and drives programs which include deep-tissue multiphoton microscopy and significant-precision eye operation
time. Crystals of your compound melts congruently at 1007 oC, on the other hand melt crystallization of top of the range crystal is not possible as a consequence of period changeover at ~920 oC. The best seeded Resolution process from
The absorption and emission spectra of Yb:KYW Crystals Screen robust peaks at 980 nm and 1030 nm, respectively, guaranteeing effective energy conversion and large efficiency in laser programs.
This paper describes a femtosecond laser regenerative amplifier determined by two Yb:KYW crystals with direct longitudinal pumping by potent linear arrays of semiconductor injection lasers possessing fiber output. To stop spectral narrowing throughout amplification along with the corresponding lengthening of your amplified pulse when it's compressed, a combination of two Yb:KYW crystals had been employed, Together with the spectral maxima of your amplification shifted relative to each other and with spectral profiling in the amplified radiation.
Adhesion Examination Compliant with MIL-C-675C armed forces criteria, an adhesion examination associated making use of a tape that meets LT-ninety requirements on to the lens movie layer. The tape was affixed absolutely and then eliminated vertically. This technique was carried out thrice, leading to no blistering or peeling.
Raman, luminescence and transmission spectra expose optical functions owing towards the presence of thulium ions, and therefore the products could possibly be further studied in the scope of laser and luminescence apps.
A superior brightnessQ-switched oscillator and regenerative amplifier based upon a twin-crystal Yb:KGW laser
... at half-height had been generated in the grasp oscillator with selfsynchronization on the axial modes, described in our before write-up. 21 The new version of the laser, unlike that explained within our before write-up, utilized an Yb:KYW crystal with an N pcut (optical axis N p of your index ellipsoid was parallel to your propagation route from the laser radiation), with the polarization of your generated radiation directed together the N m axis.
By substituting yttrium with ytterbium in the crystal lattice click here of Yb:KYW as a result of very similar measurements of these chemical factors as much as a hundred% of Yb-doping might be attained.
Even though ytterbium-doped laser attain media typically show a little quantum defect, ytterbium-doped tungstates enable for notably tiny values. As an example, a 1030-nm Yb:YAG laser would Generally be pumped all over 940 nm, While Yb:KGW or Yb:KYW can be most effectively pumped around 981 nm.
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The polarized absorption spectra of Tm3+-doped potassium yttrium tungstate (Tm:KY(WO4)two) crystal at space temperature ended up measured. The emission spectrum and life time of your 3 F 4 psyched state had been identified. Utilizing conventional and modified Judd–Ofelt theories, the intensity parameters as well as the radiative lifetimes were being calculated and good arrangement with the experimental benefits was obtained for both theories.
Question RP Photonics for just about any suggestions concerning tungstate lasers, together with femtosecond lasers and significant-electric power lasers.