# 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/schott_2017-01-20b.agf">SCHOTT Zemax catalog 2017-01-20b</a> (obtained from <a href="https://www.schott.com/en-us/products/optical-glass-p1000267/downloads/">http://www.schott.com</a>)<br>See also <a href="https://refractiveindex.info/download/data/2017/schott_2017-01-20.pdf">SCHOTT glass data sheets</a>
COMMENTS: |
    suitable for precision molding        
DATA:
  - type: formula 2
    wavelength_range: 0.3 2.5
    coefficients: 0 1.3932426 0.00715959695 0.418882766 0.0233637446 1.043807 88.3284426
  - type: tabulated k
    data: |
        0.300 5.0595E-06
        0.310 2.7762E-06
        0.320 1.5897E-06
        0.334 7.8032E-07
        0.350 3.3546E-07
        0.365 1.4852E-07
        0.370 1.1496E-07
        0.380 7.4843E-08
        0.390 5.0677E-08
        0.400 3.8782E-08
        0.405 3.5286E-08
        0.420 3.1108E-08
        0.436 2.8038E-08
        0.460 2.2130E-08
        0.500 1.2784E-08
        0.546 1.0459E-08
        0.580 1.2969E-08
        0.620 1.5852E-08
        0.660 1.6874E-08
        0.700 1.5652E-08
        1.060 3.3758E-09
        1.530 9.3423E-08
        1.970 8.7327E-07
        2.325 5.1298E-06
        2.500 1.2049E-05
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -1.9e-06 7.99e-09 7.76e-12 5.64e-07 6.57e-10 0.185
    nd: 1.6935
    Vd: 53.2
    glass_code: 693532.385
    glass_status: standard
    density:
      - value: 3848
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.13e-06
      - temperature_range: 293 573
        value: 9.68e-06
    dPgF: -0.0061
    resistance:
        climatic: 2.0
        stain: 5.0
        acid: 53.3
        alkali: 1.3
        phosphate: 4.3