# 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: 3.6906098 -0.027849024 2 0.063139051 -2 0.012443698 -4 -0.0014774085 -6 0.00017478701 -8
  - type: tabulated k
    data: |
        0.400 1.2970E-05
        0.420 1.7129E-06
        0.440 4.5955E-07
        0.460 2.7353E-07
        0.480 2.0398E-07
        0.500 1.5414E-07
        0.550 7.0594E-08
        0.600 3.3540E-08
        0.650 3.1129E-08
        0.700 2.7922E-08
        0.750 2.3921E-08
        0.780 1.8649E-08
        0.800 1.9127E-08
        0.830 2.6473E-08
        0.850 2.0323E-08
        0.900 2.1518E-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 2.0711E-08
        1.400 7.8260E-08
        1.500 2.1682E-07
        1.550 1.8642E-07
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 2.97e-06 1.37e-08 -4.94e-11 1.36e-06 1.86e-09 0.333
    nd: 1.98612
    Vd: 16.48
    glass_code: 986165
    glass_status: standard
    density:
      - value: 3540
    thermal_expansion:
      - temperature_range: 243 343
        value: 4.1e-06
      - temperature_range: 293 573
        value: 5.4e-06
    dPgF: 0.047
    resistance:
        climatic: 1.0
        stain: 1.0
        acid: 1.0