Refractive index of Kapton

Optical constants of Kapton
Zhang et al. 1998: n,k 1.67–20.0 µm

Wavelength: µm

(1.667–20.000)

Complex refractive index (n+ik)[ i ]

Derived optical constants

Comments

Lorentz-Drude model

References

Z. M. Zhang, G. Lefever-Button, F. R. Powell. Infrared refractive index and extinction coefficient of polyimide films. Int. J. Thermophys. 19, 905-916 (1998)
[Calculation script (Python)]

Data

[CSV - comma separated] [TXT - tab separated] [Full database record]

Optical transmission calculator

Wavelength: µm
Thickness:
Calculation method: [ i ]

Sample transmittance and reflectance

Transmittance of a freestanding sample in vacuum

T =

Reflectance of a freestanding sample in vacuum

R =

Fresnel reflection calculator

Wavelength: µm
Angle of incidence (0~90°):
Direction: in out

Reflectance[ i ]

P-polarized

R_P =

S-polarized

R_S =

Non-polarized (Rp+Rs)/2

R =

R_P R_S R LogY

Reflection phase[ i ]

ɸ_P = °
ɸ_S = °

Brewster's angle[ i ]

θ_B = °

Critical angle[ i ] [ i ]

θ_C = °

Additional information

About Kapton

Kapton is a polyimide film developed by DuPont in the late 1960s that remains stable across a wide range of temperatures.

Links:

RefractiveIndex.INFO

Optical constants of Kapton
Zhang et al. 1998: n,k 1.67–20.0 µm

Complex refractive index (n+ik)[ i ]

Refractive index[ i ]

Extinction coefficient[ i ]

Derived optical constants

Relative permittivity (dielectric constants)[ i ] [ i ]

Absorption coefficient[ i ] [ i ]

Abbe number[ i ]

Chromatic dispersion[ i ]

Group index[ i ] [ i ]

Group velocity dispersion[ i ] [ i ] [ i ]

Comments

References

Data

Optical transmission calculator

Sample transmittance and reflectance

Transmittance of a freestanding sample in vacuum

Reflectance of a freestanding sample in vacuum

Fresnel reflection calculator

Reflectance[ i ]

P-polarized

S-polarized

Non-polarized (Rp+Rs)/2

Reflection phase[ i ]

Brewster's angle[ i ]

Critical angle[ i ] [ i ]

Additional information

About Kapton

Optical constants of KaptonZhang et al. 1998: n,k 1.67–20.0 µm

Complex refractive index (n+ik)[ i ]

Refractive index[ i ]

Extinction coefficient[ i ]

Derived optical constants

Relative permittivity (dielectric constants)[ i ] [ i ]

Absorption coefficient[ i ] [ i ]

Abbe number[ i ]

Chromatic dispersion[ i ]

Group index[ i ] [ i ]

Group velocity dispersion[ i ] [ i ] [ i ]

Comments

References

Data

Optical transmission calculator

Sample transmittance and reflectance

Transmittance of a freestanding sample in vacuum

Reflectance of a freestanding sample in vacuum

Fresnel reflection calculator

Reflectance[ i ]

P-polarized

S-polarized

Non-polarized (Rp+Rs)/2

Reflection phase[ i ]

Brewster's angle[ i ]

Critical angle[ i ] [ i ]

Additional information

About Kapton

Optical constants of Kapton
Zhang et al. 1998: n,k 1.67–20.0 µm