# 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: 0.33 2.4
    coefficients: 0 1.47544521 0.0095583674 0.193060095 0.0460430483 1.5093901 126.422746
  - type: tabulated k
    data: |
        0.330 5.5679E-06
        0.340 2.0428E-06
        0.350 9.5391E-07
        0.360 5.3379E-07
        0.370 3.0368E-07
        0.380 2.0000E-07
        0.390 1.3641E-07
        0.400 1.0024E-07
        0.420 6.7523E-08
        0.440 5.2919E-08
        0.460 4.4192E-08
        0.480 3.4533E-08
        0.500 2.3945E-08
        0.550 1.3150E-08
        0.600 1.4345E-08
        0.650 1.5541E-08
        0.700 1.1152E-08
        0.800 6.3694E-09
        0.900 7.1656E-09
        1.000 7.9617E-09
        1.200 9.5541E-09
        1.400 1.0072E-07
        1.600 7.6624E-08
        1.800 1.5844E-07
        2.000 3.8663E-07
        2.200 1.4788E-06
        2.400 4.2617E-06
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 3.81e-06 1.36e-08 -4.15e-11 6.52e-07 7.31e-10 0.252
    nd: 1.654115
    Vd: 39.682794
    glass_code: 654397
    density:
      - value: 3020
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.6e-06
      - temperature_range: 293 573
        value: 8.4e-06
    dPgF: -0.0036
    resistance:
        climatic: 2.0
        acid: 1.0
        phosphate: 1.0