# 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/hoya_2017-04-01.agf">HOYA Zemax catalog 2017-04-01</a> (obtained from <a href="http://www.hoya-opticalworld.com/english/datadownload/">http://www.hoya-opticalworld.com</a>)
COMMENTS: |
    Recommended glass type
DATA:
  - type: formula 3
    wavelength_range: 0.36501 1.01398
    coefficients: 3.5126327 -0.0153015 2 0.053936061 -2 0.0034949369 -4 -0.00017950295 -6 3.4403181e-05 -8
  - type: tabulated k
    data: |
        0.370 7.8722E-06
        0.380 3.6307E-06
        0.390 2.0235E-06
        0.400 1.3371E-06
        0.420 7.2083E-07
        0.440 4.4362E-07
        0.460 3.0522E-07
        0.480 2.2823E-07
        0.500 1.7072E-07
        0.550 7.5045E-08
        0.600 5.2812E-08
        0.650 5.7213E-08
        0.700 4.4743E-08
        0.750 2.9916E-08
        0.780 2.4878E-08
        0.800 1.9127E-08
        0.830 1.9845E-08
        0.850 2.0323E-08
        0.900 2.1518E-08
        0.950 1.5135E-08
        1.000 1.5931E-08
        1.050 1.6728E-08
        1.060 1.6887E-08
        1.100 8.7579E-09
        1.200 9.5541E-09
        1.300 1.0350E-08
        1.400 1.1146E-08
        1.500 1.1943E-08
        1.550 1.2341E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -3.37e-06 7.78e-09 -2.33e-11 1.13e-06 1.32e-09 0.275
    nd: 1.92119
    Vd: 23.96
    glass_code: 921240
    glass_status: standard
    density:
      - value: 3840
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.8e-06
      - temperature_range: 293 573
        value: 9.6e-06
    dPgF: 0.0151
    resistance:
        climatic: 1.0
        stain: 1.0
        acid: 1.0