Facts About KYW Crystal Revealed

Facts About KYW Crystal Revealed

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The Yb:KYW crystal’s proficiency in light-weight absorption at around 981 nm helps make the crystal like minded for diode pumping. It truly is even further Increased by its outstanding efficiency in this process, coupled with its minimal quantum defect.

Colour-coded reflectivity of a Bragg mirror as being a purpose of wavelength and angle with the incident beam.

Optical layout of the laser with direct pumping While using the radiation of semiconductor injection lasers. LD is surely an IPG Photonics laser diode with fiber output from the radiation, WP is usually a fifty percent-wave plate, CL is a collimating lens, FL can be a concentrating lens, AE is surely an Lively element made out of an Yb:KYW crystal, DM is usually a spherical dichroic mirror, M1-M6 are classified as the cavity mirrors, OC is definitely the output mirror, and SAM is really a semiconductor saturable-absorber mirror.

Prior to the event of Nd:YAG, Nd3+:CaWO4 was a vital uncommon-earth-doped laser achieve medium. It absolutely was in reality Utilized in the main constantly working crystal laser.

Raman, luminescence and transmission spectra reveal optical attributes owing to the existence of thulium ions, and as a consequence the products may very well be even more studied while in the scope of laser and luminescence applications.

Tungstates have a tendency to own large Raman coefficients (�?Raman scattering). Hence, they are able to create important Raman get at reasonable optical intensities. It is achievable to make use of the laser crystal itself as being a Raman converter.

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Even so, once Nd3+:YAG became commercially offered, the desire in CaWO4 dropped sharply. In afterwards many years, specified other tungstate crystals began to bring in loads of interest.

Whilst ytterbium-doped laser obtain media commonly show a small quantum defect, ytterbium-doped tungstates let for specially smaller values. One example is, a 1030-nm Yb:YAG laser would Ordinarily be pumped all over 940 nm, While Yb:KGW or Yb:KYW may be most proficiently pumped close to 981 nm.

This tandem of characteristics has considerably-reaching implications, specially in the development of compact but powerfull lasers.

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Inquire RP Photonics for any suggestions about tungstate lasers, including femtosecond lasers and higher-energy lasers.