# 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: 2.589111 -0.009879155 2 0.01555047 -2 0.0003664276 -4 -1.829782e-05 -6 1.460153e-06 -8
  - type: tabulated k
    data: |
        0.370 1.7905E-07
        0.380 1.0773E-07
        0.390 7.2215E-08
        0.400 4.4878E-08
        0.420 3.0216E-08
        0.440 2.8124E-08
        0.460 2.2030E-08
        0.480 1.9146E-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 1.9127E-08
        0.900 2.0800E-08
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 2.8381e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.622799
    Vd: 57.063643
    glass_code: 623571
    glass_status: preferred
    density:
      - value: 3650
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.8e-06
      - temperature_range: 293 573
        value: 8e-06
    dPgF: -0.0025