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Product Catalog 2016

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Yb:CaF2 Crystals

Yb:CaF2 Crystals
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Doping concentration 1 – 10 %
Length tolerance ±0.1 mm
Dimensional tolerances +0/-0.05 mm
Surface quality 10-5 S-D
Surface flatness <λ/10 @ 632.8 nm
Parallelism error <10 arcsec
Perpendicularity <10 arcmin
Protective chamfers <0.1 mm x 45°
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Due to Yb:CaF2 crystal low quantum defect and a comparably long fluorescence lifetime, ytter-bium-doped gain media are preferably utilized for high-power diode-pumped systems and laser amplifiers with high optical-to-optical conversion efficiencies. From this point of view, Yb:YAG is now the most important and developed one. Just recently, ytterbium-doped alkaline-earth fluori-des (Yb:CaF2) have attracted considerable interest for use in diode-pumped femtosecond (fs) la-sers and amplifiers.

Alkaline-earth fluorides which can be easily grown by using the standard Czochralski or Bridgman technique show a wide optical transmission range, a low dispersion behavior and limited nonlinear effects under intense laser irradiation. It was recently shown that Yb:CaF2 single crystal can be grown up to diameters of about 200 mm, which is superior for high-energy short-pulse lasers with centimeter-sized apertures

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Coatings Dimensions, mm Material Delivery Product ID Price Action
AR / AR @ 1030 + 940 nm 6 x 6 x 5 Yb(3%):CaF2 Request 3-YB03CAF-01 970 $
AR / AR @ 1030 + 940 nm 6 x 6 x 5 Yb(5%):CaF2 Request 3-YB05CAF-01 1020 $

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