# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
# copyright and related rights waived via CC0 1.0

REFERENCES: "<a href=\"http://refractiveindex.info/download/data/2017/schott_2017-01-20b.agf\">SCHOTT Zemax catalog 2017-01-20b</a> (obtained from <a href=\"http://www.schott.com/advanced_optics/english/download/\">http://www.schott.com</a>)<br>See also <a href=\"http://refractiveindex.info/download/data/2017/schott_2017-01-20.pdf\">SCHOTT glass data sheets</a>"
COMMENTS: "Alkali free alumino borosilicate glass"
DATA:
  - type: formula 2 
    range: 0.31 2.325
    coefficients: 0 1.11332955 0.00707493977 0.141527282 0.0225358637 0.860743147 90.1552652
  - type: tabulated k
    data: |
        0.310 8.2701E-06
        0.320 5.4205E-06
        0.334 2.8595E-06
        0.350 1.3180E-06
        0.365 6.3727E-07
        0.370 5.0286E-07
        0.380 3.2197E-07
        0.390 2.1523E-07
        0.400 1.4656E-07
        0.420 8.8048E-08
        0.460 5.1610E-08
        0.500 3.1959E-08
        0.580 2.3135E-08
        0.660 2.6326E-08
        0.700 4.4743E-08
        0.850 8.8510E-08
        1.060 2.8306E-07
        1.260 3.7803E-07
        1.529 3.9572E-07
        1.970 8.2062E-07
        2.325 3.1818E-06
SPECS:
    n_is_absolute: false
    λ_is_vacuum: false
    temperature: 20.0 °C
    n_d: 1.511531
    V_d: 62.574031
    glass_status: standard
    density: 2.43 g/cm<sup>3</sup>
    coefficient_of_thermal_expansion_1: 3.2e-06 K<sup>-1</sup>
