# 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="https://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="https://refractiveindex.info/download/data/2017/ohara_2017-11-30.pdf">OHARA glass data sheets</a>
COMMENTS: |
    
DATA:
  - type: formula 3
    wavelength_range: 0.365 0.9
    coefficients: 2.59025 -0.009886858 2 0.01565646 -2 0.0002117553 -4 5.763945e-06 -6 -3.134574e-08 -8
  - type: tabulated k
    data: |
        0.360 2.3576E-07
        0.370 1.3865E-07
        0.380 8.5878E-08
        0.390 5.9534E-08
        0.400 3.8428E-08
        0.420 2.6846E-08
        0.440 2.4596E-08
        0.460 2.2030E-08
        0.480 1.5310E-08
        0.500 1.1955E-08
        0.550 8.7623E-09
        0.600 1.4345E-08
        0.650 1.5541E-08
        0.700 1.6736E-08
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 2.6586e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.622992
    Vd: 58.143312
    glass_code: 623582
    glass_status: preferred
    density:
      - value: 3650
    thermal_expansion:
      - temperature_range: 243 343
        value: 7e-06
      - temperature_range: 293 573
        value: 8e-06
    dPgF: -0.0017