# 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: |
    inquiry glass        
DATA:
  - type: formula 2
    wavelength_range: 0.38 2.5
    coefficients: 0 1.73562085 0.0129624742 0.317487012 0.0612884288 1.95398203 161.559441
  - type: tabulated k
    data: |
        0.380 2.4678E-06
        0.390 1.2343E-06
        0.400 7.1571E-07
        0.405 5.7533E-07
        0.420 3.3217E-07
        0.436 2.0932E-07
        0.460 1.3809E-07
        0.500 8.1636E-08
        0.546 4.2220E-08
        0.580 3.1655E-08
        0.620 3.7858E-08
        0.660 4.0300E-08
        0.700 3.1415E-08
        1.060 1.3523E-08
        1.530 9.3423E-08
        1.970 6.6068E-07
        2.325 2.8542E-06
        2.500 4.1988E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -4.13e-06 7.65e-09 -1.12e-11 9.9e-07 1.57e-09 0.287
    nd: 1.7847
    Vd: 26.1
    glass_code: 785261.328
    glass_status: special
    density:
      - value: 3280
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.7e-06
      - temperature_range: 293 573
        value: 1e-05
    dPgF: 0.014
    resistance:
        climatic: 1.0
        stain: 0.0
        acid: 1.0
        alkali: 1.3
        phosphate: 1.0