Refractive index of Kapton

Optical constants of Kapton
Sahin et al. 2019: n,k 160–3000 µm

Wavelength: µm

(160–3000)

Complex refractive index (n+ik)[ i ]

Derived optical constants

Comments

125-μm-thick Kapton HN general purpose polyimide film sample provided by DuPont

References

S. Sahin, N. K. Nahar, K. Sertel. Dielectric properties of low-loss polymers for mmW and THz Applications. J. Infrared Millim. Terahertz Waves 40, 557–573 (2019)

Data

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

Optical transmission calculator

Wavelength: µm
Thickness:
Calculation method:

Transmittance[ i ]

T =

LogX LogY eV

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 = °

INFO

Kapton

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

RefractiveIndex.INFO

Optical constants of Kapton
Sahin et al. 2019: n,k 160–3000 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

Transmittance[ i ]

Reflection calculator

Reflectance[ i ]

P-polarized

S-polarized

Non-polarized (Rp+Rs)/2

Reflection phase[ i ]

Brewster's angle[ i ]

Critical angle[ i ] [ i ]

INFO

Kapton

External links

Optical constants of KaptonSahin et al. 2019: n,k 160–3000 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

Transmittance[ i ]

Reflection calculator

Reflectance[ i ]

P-polarized

S-polarized

Non-polarized (Rp+Rs)/2

Reflection phase[ i ]

Brewster's angle[ i ]

Critical angle[ i ] [ i ]

INFO

Kapton

External links

Optical constants of Kapton
Sahin et al. 2019: n,k 160–3000 µm