# 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: 2.5844463 -0.0090521858 2 0.014301987 -2 0.0001705077 -4 4.964536e-06 -6 -1.2927479e-07 -8
  - type: tabulated k
    data: |
        0.310 9.2008E-06
        0.320 6.0758E-06
        0.330 3.7477E-06
        0.340 2.1306E-06
        0.350 1.1447E-06
        0.360 5.8604E-07
        0.370 2.7445E-07
        0.380 1.4240E-07
        0.390 7.5393E-08
        0.400 4.4878E-08
        0.420 3.0216E-08
        0.440 2.8124E-08
        0.460 2.2030E-08
        0.480 1.5310E-08
        0.500 1.1955E-08
        0.550 8.7623E-09
        0.600 1.4345E-08
        0.650 2.0732E-08
        0.700 1.6736E-08
        0.750 1.7932E-08
        0.780 1.8649E-08
        0.800 1.9127E-08
        0.830 3.9749E-08
        0.850 4.0707E-08
        0.900 4.3101E-08
        0.950 4.5496E-08
        1.000 4.7890E-08
        1.050 5.0285E-08
        1.060 5.0764E-08
        1.100 4.3877E-08
        1.200 4.7866E-08
        1.300 4.1463E-08
        1.400 5.5844E-08
        1.500 7.1835E-08
        1.550 7.4230E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -1.08e-05 2.42e-09 1.57e-11 7.21e-07 4.29e-10 1.46e-09
    nd: 1.61997
    Vd: 63.88
    glass_code: 620639
    glass_status: standard
    density:
      - value: 3570
    thermal_expansion:
      - temperature_range: 243 343
        value: 1.03e-05
      - temperature_range: 293 573
        value: 1.3e-05
    dPgF: 0.0093
    resistance:
        climatic: 1.0
        acid: 4.0