# 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/ohara_2017-11-30.agf\">OHARA Zemax catalog 2017-11-30</a> (obtained from <a href=\"http://www.ohara-inc.co.jp/en/product/optical/list/\">http://www.ohara-inc.co.jp</a>)<br>See also <a href=\"http://refractiveindex.info/download/data/2017/ohara_2017-11-30.pdf\">OHARA glass data sheets</a>"
COMMENTS: ""
DATA:
  - type: formula 3 
    range: 0.365 0.9
    coefficients: 2.269695 -0.007150002 2 0.01337006 -2 -0.0002761508 -4 6.605453e-05 -6 -3.180633e-06 -8
  - type: tabulated k
    data: |
        0.340 1.7029E-07
        0.350 7.9099E-08
        0.360 4.3297E-08
        0.370 2.9592E-08
        0.380 3.3448E-08
        0.390 1.8677E-08
        0.400 1.2758E-08
        0.420 1.3396E-08
        0.440 1.7551E-08
        0.460 1.4672E-08
        0.480 1.5310E-08
        0.500 1.1955E-08
        0.550 8.7623E-09
        0.600 1.4345E-08
        0.650 2.0732E-08
        0.700 1.6736E-08
        0.800 2.5516E-08
        0.900 3.6260E-08
SPECS:
    n_is_absolute: false
    λ_is_vacuum: false
    temperature: 25.0 °C
    coefficients_of_thermal_dispersion: 4.8656e-06 0.0 0.0 0.0 0.0 0.0
    n_d: 1.518229
    V_d: 58.966406
    glass_code: 518590
    glass_status: preferred
    density: 2.53 g/cm<sup>3</sup>
    coefficient_of_thermal_expansion_1: 8.8e-06 K<sup>-1</sup>
    coefficient_of_thermal_expansion_2: 1.03e-05 K<sup>-1</sup>
    ΔP_gF: -0.0004
