# 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: "Recommended - High Index "
DATA:
  - type: formula 2 
    range: 0.37 2.4
    coefficients: 0 2.32557148 0.0132895208 0.507967133 0.0528335449 2.43087198 161.122408
  - type: tabulated k
    data: |
        0.370 1.0325E-05
        0.380 5.5416E-06
        0.390 3.4408E-06
        0.400 2.2064E-06
        0.420 1.0979E-06
        0.440 6.5242E-07
        0.460 4.6794E-07
        0.480 3.1434E-07
        0.500 2.2509E-07
        0.550 9.2891E-08
        0.600 5.7642E-08
        0.650 4.6764E-08
        0.700 3.9130E-08
        0.800 2.5516E-08
        0.900 2.1518E-08
        1.000 2.3909E-08
        1.200 1.9118E-08
        1.400 2.2304E-08
        1.600 3.8255E-08
        1.800 8.6203E-08
        2.000 2.2439E-07
        2.200 6.0559E-07
        2.400 2.2256E-06
SPECS:
    n_is_absolute: false
    λ_is_vacuum: false
    temperature: 25.0 °C
    coefficients_of_thermal_dispersion: 6.01e-06 1.31e-08 -3.15e-11 1.12e-06 1.27e-09 0.26
    n_d: 2.003300
    V_d: 28.273280
    density: 5.23 g/cm<sup>3</sup>
    coefficient_of_thermal_expansion_1: 6e-06 K<sup>-1</sup>
    coefficient_of_thermal_expansion_2: 7.1e-06 K<sup>-1</sup>
    ΔP_gF: 0.0023
    climatic_resistance: 2.0
    acid_resistance: 1.0
    phosphate_resistance: 1.0
