New Step by Step Map For KYW Crystal
New Step by Step Map For KYW Crystal
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time. Crystals in the compound melts congruently at 1007 oC, even so melt crystallization of top of the range crystal is impossible because of phase changeover at ~920 oC. The top seeded Option approach from
The absorption and emission spectra of Yb:KYW Crystals Show robust peaks at 980 nm and 1030 nm, respectively, making sure efficient energy conversion and higher efficiency in laser techniques.
Optical layout of the laser with direct pumping While using the radiation of semiconductor injection lasers. LD is really an IPG Photonics laser diode with fiber output in the radiation, WP is a 50 percent-wave plate, CL is a collimating lens, FL is often a concentrating lens, AE is undoubtedly an Lively component comprised of an Yb:KYW crystal, DM is really a spherical dichroic mirror, M1-M6 are definitely the cavity mirrors, OC will be the output mirror, and SAM can be a semiconductor saturable-absorber mirror.
Adhesion Check Compliant with MIL-C-675C armed service standards, an adhesion examination included implementing a tape that satisfies LT-ninety specifications on to the lens movie layer. The tape was affixed thoroughly after which you can eradicated vertically. This procedure was carried out 3 times, resulting in no blistering or peeling.
Raman, luminescence and transmission spectra reveal optical functions owing to the presence of thulium ions, and for that reason the components could be additional analyzed from the scope of laser and luminescence programs.
five mm in addition to the middle with the beam caustic. In an effort to Look at the method matching simulation, we carried out the experiment with Ng-Minimize crystal oscillator, which was produced Beforehand and in a same ailment with simulation [11]. As proven in Figure 3(b) with purple dots and line, the CW output power is very depending on the situation of laser crystal as well as the experimental result coincides perfectly with simulation end result. As being a Observe, multimode operation happened in experiment when the dimensions from the pump beam is larger sized than TEM00 cavity method and it causes increased CW output power while in the displacement location below 3.5 mm.
... at 50 percent-peak had been created inside of a grasp oscillator with selfsynchronization in the axial modes, described within our earlier posting. 21 The new version of your laser, click here compared with that described in our before write-up, used an Yb:KYW crystal having an N pcut (optical axis N p on the index ellipsoid was parallel for the propagation direction on the laser radiation), With all the polarization of your generated radiation directed together the N m axis.
By substituting yttrium with ytterbium from the crystal lattice of Yb:KYW due to related sizes of such chemical factors as much as a hundred% of Yb-doping may be accomplished.
Although ytterbium-doped laser achieve media commonly show a small quantum defect, ytterbium-doped tungstates let for notably smaller values. One example is, a 1030-nm Yb:YAG laser would Commonly be pumped all over 940 nm, Whilst Yb:KGW or Yb:KYW may very well be most successfully pumped close to 981 nm.
Li2WO4-WO3 flux was successfully utilized cutting down The expansion temperature down below 900 oC. Based on single crystal x-ray measurements, the crystal corresponds for the P2/n Place team.
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Ask RP Photonics for almost any suggestions about tungstate lasers, which includes femtosecond lasers and large-power lasers.