Optical constants of CDGM - TF (Special flint)
H-TF8
Complex refractive index (n+ik)
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.6056299λ^2}{λ^2-0.0103174707}+\frac{1.32554029λ^2}{λ^2-108.474162}+\frac{0.265358825λ^2}{λ^2-0.0488739276}$$Conditions
temperature: 293
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets
Data
Additional information
Properties of H-TF8
thermal_dispersion:
-
type: formula A
coefficients: -1.81e-07 1.7e-08 -3.95e-11 7.69e-07 5.75e-10 0.256
nd: "1.720460"
Vd: 34.757746
glass_code: 720348
glass_status: preferred
density:
-
value: 3510
thermal_expansion:
-
temperature_range: 243 343
value: 7.1E-6
-
temperature_range: 293 573
value: 8.8E-6
dPgF: -0.0014
resistance:
climatic: "1.0"
About CDGM Glass Co., Ltd.
CDGM Glass Co., Ltd. is a leading manufacturer of optical glass based in China. The company offers a wide range of optical materials, including various types of crown and flint glasses, which are used in applications ranging from consumer electronics to advanced scientific instruments. Known for their capacity for large-scale production as well as their commitment to quality, CDGM has positioned itself as a major player in both domestic and international markets. Their optical glass products are often used in lenses, prisms, and other optical components that require high precision and reliability. With an extensive catalog that caters to different optical requirements, such as high refractive indices or low dispersion, CDGM serves a diverse clientele including manufacturers of microscopes, telescopes, cameras, and other high-precision optical equipment. The company's expertise in glass science and its ability to provide customized solutions have made it a go-to supplier for businesses seeking high-quality, reliable optical glass.
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