# 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: |
    Recommended 
DATA:
  - type: formula 2
    wavelength_range: 0.36 2.4
    coefficients: 0 1.68939052 0.0103598193 0.133081013 0.0533982239 1.41165515 126.515503
  - type: tabulated k
    data: |
        0.360 5.2500E-06
        0.370 2.2231E-06
        0.380 1.0786E-06
        0.390 5.7828E-07
        0.400 3.7094E-07
        0.420 1.5389E-07
        0.440 1.0304E-07
        0.460 7.7690E-08
        0.480 5.7730E-08
        0.500 4.4010E-08
        0.550 2.1939E-08
        0.600 2.8734E-08
        0.650 3.1129E-08
        0.700 2.2326E-08
        0.800 1.2745E-08
        0.900 1.4338E-08
        1.000 1.5931E-08
        1.200 1.9118E-08
        1.400 7.8260E-08
        1.600 7.6624E-08
        1.800 1.8743E-07
        2.000 4.1928E-07
        2.200 1.4407E-06
        2.400 4.0245E-06
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 2.96e-06 1.33e-08 -3.48e-11 5.66e-07 7.35e-10 0.278
    nd: 1.701536
    Vd: 41.239440
    glass_code: 702412
    density:
      - value: 3670
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.4e-06
      - temperature_range: 293 573
        value: 7.5e-06
    dPgF: 0.0018
    resistance:
        climatic: 2.0
        acid: 4.0
        phosphate: 1.0