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Tantalum Pentoxide
Ta2O5
99.99% pure
Form: This material is supplied in a compact form as tablets and in powder form with the content of some admixtures from n. 10-3 to n. 10-4 mass %.
Applications: Ta2O5 is used for laser multi-layer ARC, VIS filters, achromatic beam splitting, protective dielectrical and CVD coatings from UV to medium IR region of the spectrum 0.35 - 9 mkm with the refractive index 2 - 10 for wavelength 0.5 mkm possessing high chemical and mechanical stability's, low absorption and diffusion of light.
Typical Analysis:
Al 2 ppm Nb 10 ppm
Co < 2 Ni 1
Cr < 1 Pb 1
Cu < 1 Si 20
Fe 2 Ti < 1
Mn < 1 V 1
Mo 30
Opto-physical Properties:
Density: 8.54 gm/cc
Refractive Index: 2.10 mkm
Transparency Range: 0.35 - 9 mkm
Melting Point: 1880oC