Optical constants of (C5H8O2)n (Poly(methyl methacrylate), PMMA)
Beadie et al. 2015: n 0.42–1.62 µm
Wavelength:
µm
(0.42–1.62)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.1778+6.1209\text{×}10^{-3}λ^{2}-1.5004\text{×}10^{-3}λ^{4}+2.3678\text{×}10^{-2}λ^{-2}-4.2137\text{×}10^{-3}λ^{-4}+7.3417\text{×}10^{-4}λ^{-6}-4.5042\text{×}10^{-5}λ^{-8}$$Comments
20.1 °C. Absolute accuracy < 2×10-4.
References
G. Beadie, M. Brindza, R. A. Flynn, A. Rosenberg, and J. S. Shirk. Refractive index measurements of poly(methyl methacrylate) (PMMA) from 0.4-1.6 μm, Appl. Opt. 54, F139-F143 (2015)
Data
INFO
Poly(methyl methacrylate), (C5H8O2)n
Other names
- Poly(methyl methacrylate)
- PMMA
- Acrylic glass
Trademarks
- Plexiglas
- Vitroflex
- Limacryl
- R-Cast
- Per-Clax
- Perspex
- Plazcryl
- Acrylex
- Acrylite
- Acrylplast
- Altuglas
- Polycast
- Oroglass
- Lucite