# 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: 3.4419038 -0.014175245 2 0.03435104 -2 0.0011752271 -4 -3.9010343e-05 -6 3.7417054e-06 -8
  - type: tabulated k
    data: |
        0.310 8.7340E-06
        0.320 4.3246E-06
        0.330 2.6110E-06
        0.340 1.6822E-06
        0.350 1.1071E-06
        0.360 7.0812E-07
        0.370 4.4408E-07
        0.380 2.9851E-07
        0.390 2.0858E-07
        0.400 1.5324E-07
        0.420 9.8359E-08
        0.440 7.0738E-08
        0.460 4.7899E-08
        0.480 3.0681E-08
        0.500 1.1955E-08
        0.550 4.3790E-09
        0.600 4.7770E-09
        0.650 5.1751E-09
        0.700 5.5732E-09
        0.750 1.7932E-08
        0.780 1.8649E-08
        0.800 1.9127E-08
        0.830 1.3223E-08
        0.850 2.0323E-08
        0.900 1.4338E-08
        0.950 2.2714E-08
        1.000 2.3909E-08
        1.050 1.6728E-08
        1.060 1.6887E-08
        1.100 1.7525E-08
        1.200 9.5541E-09
        1.300 1.0350E-08
        1.400 1.1146E-08
        1.500 4.7842E-08
        1.550 4.9437E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 2.21e-06 9.96e-09 -3.19e-11 8.4e-07 2.81e-10 0.184
    nd: 1.88300
    Vd: 40.80
    glass_code: 883408
    glass_status: standard
    density:
      - value: 5420
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.5e-06
      - temperature_range: 293 573
        value: 8.2e-06
    dPgF: -0.0094
    resistance:
        climatic: 1.0
        stain: 1.0
        acid: 1.0