Optical constants of BAK1
H-BAK8 (CDGM)
Wavelength:
µm
(0.290–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.845101506λ^2}{λ^2-100.298196}+\frac{1.01452466λ^2}{λ^2-0.00555241848}+\frac{0.418518474λ^2}{λ^2-0.0202280796}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 20.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 6.29e-08 1.64e-08 -1.82e-11 4.71e-07 4.87e-10 0.223 nd: 1.572500 Vd: 57.486797 glass_code: 573575 density: 3.18 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 7.4e-06 K-1 - temperature_range: 20 300 °C coefficient: 8.9e-06 K-1 dPgF: -0.001 climatic_resistance: 2.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets
Data
INFO
CDGM Glass Co., Ltd.
CDGM Glass Co., Ltd. is a leading optical glass supplier in China with a worldwile distribution network.External links
BAK1 optical glass
BAK1 is a very popular optical glass. Most glass makers produce this or very similar glass.BAK1 or similar glasses produced by different makers
Maker | Glass |
---|---|
Schott | N-BAK1 |
Hikari | E-BAK1 |
Ohara | S-BAL11 |
CDGM | H-BAK8 |