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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

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