The Single Best Strategy To Use For KYW Crystal
The Single Best Strategy To Use For KYW Crystal
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The Yb:KYW crystal’s proficiency in gentle absorption at all around 981 nm can make the crystal well matched for diode pumping. It truly is even more Improved by its impressive efficiency in this process, coupled with its reduced quantum defect.
FIG. 4. Autocorrelation perform of the heartbeat 共a兲and spectrum 共b兲of a laser with an oblong Lively aspect for an output electrical power of seven-hundred mW. The width of
Optical format of a laser with direct pumping Together with the radiation of semiconductor injection lasers. LD is definitely an IPG Photonics laser diode with fiber output with the radiation, WP is often a 50 percent-wave plate, CL is usually a collimating lens, FL can be a focusing lens, AE is an Lively component made from an Yb:KYW crystal, DM is often a spherical dichroic mirror, M1-M6 are classified as the cavity mirrors, OC will be the output mirror, and SAM is a semiconductor saturable-absorber mirror.
Adhesion Exam Compliant with MIL-C-675C armed service standards, an adhesion test associated making use of a tape that fulfills LT-ninety specs on to the lens film layer. The tape was affixed absolutely then taken out vertically. This process was executed 3 times, causing no blistering or peeling.
Raman, luminescence and transmission spectra reveal optical functions owing into the existence of thulium ions, and as a consequence the elements may be more studied from the scope of laser and luminescence apps.
Spatial construction on the beam and the corresponding intensity profiles I for the output with the laser.
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... Not merely the situation of crystal within the cavity but will also the amplification axis of crystal affects the laser Procedure significantly, since the absorption and emission cross sections in the crystal are rather unique according to the orientation from the crystal.
Though ytterbium-doped laser attain media normally show a small quantum defect, ytterbium-doped tungstates allow for specially tiny values. For instance, a 1030-nm Yb:YAG laser would Typically be pumped around 940 nm, While Yb:KGW or Yb:KYW can be most successfully pumped close to 981 nm.
Li2WO4-WO3 flux was productively used decreasing The expansion temperature beneath 900 oC. As outlined by one crystal x-ray measurements, the crystal corresponds into the P2/n Room group.
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Talk to RP Photonics for just about any information about tungstate lasers, which includes femtosecond lasers and significant-electrical power lasers.