# 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: 0.3 2.4
    coefficients: 2.5222179 -0.0087270222 2 0.020177286 -2 0.00061839451 -4 1.8063926e-07 -6 2.0159505e-06 -8
  - type: tabulated k
    data: |
        0.320 5.8635E-06
        0.330 1.9274E-06
        0.340 7.7836E-07
        0.350 3.8787E-07
        0.360 2.0482E-07
        0.370 1.2941E-07
        0.380 9.2107E-08
        0.390 6.2700E-08
        0.400 4.1652E-08
        0.420 3.0216E-08
        0.440 3.1655E-08
        0.460 2.5714E-08
        0.480 1.9146E-08
        0.500 1.5947E-08
        0.550 8.7623E-09
        0.600 1.4345E-08
        0.650 2.0732E-08
        0.700 1.6736E-08
        0.800 1.2745E-08
        0.900 1.4338E-08
SPECS:
    n_is_absolute: false
    λ_is_vacuum: false
    temperature: 25.0 °C
    coefficients_of_thermal_dispersion: 2.923e-06 0.0 0.0 0.0 0.0 0.0
    n_d: 1.607167
    V_d: 40.263160
    glass_code: 607403
    glass_status: preferred
    density: 3.48 g/cm<sup>3</sup>
    coefficient_of_thermal_expansion_1: 8.9e-06 K<sup>-1</sup>
    coefficient_of_thermal_expansion_2: 1.03e-05 K<sup>-1</sup>
    ΔP_gF: 0.0008
    acid_resistance: 1.0
    phosphate_resistance: 1.0
