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Waxler RM, Horowitz D, Feldman A. Optical and physical parameters of Plexiglas 55 and Lexan. Appl Opt. 1979;18(1):101-4doi: 10.1364/AO.18.000101.
Waxler, R. M., Horowitz, D., & Feldman, A. (1979). Optical and physical parameters of Plexiglas 55 and Lexan. Applied optics, 18(1), 101-4. https://doi.org/10.1364/AO.18.000101
Waxler, R M, et al. "Optical and physical parameters of Plexiglas 55 and Lexan." Applied optics vol. 18,1 (1979): 101-4. doi: https://doi.org/10.1364/AO.18.000101
Waxler RM, Horowitz D, Feldman A. Optical and physical parameters of Plexiglas 55 and Lexan. Appl Opt. 1979 Jan 01;18(1):101-4. doi: 10.1364/AO.18.000101. PMID: 20208668.
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Appl Opt. 1979 Jan 01;18(1):101-4. doi: 10.1364/AO.18.000101.

Optical and physical parameters of Plexiglas 55 and Lexan.

Applied optics

R M Waxler, D Horowitz, A Feldman

PMID: 20208668 DOI: 10.1364/AO.18.000101

Abstract

The following parameters have been obtained for Plexiglas 55 and Lexan: refractive index n at 486.1 nm, 589.3 nm, and 656.3 nm, the thermooptic constant dn/dT at 632.8 nm, the linear thermal expansion coefficient; the photoelastic constants q(11), q(12), p(11), and p(12); and the elastic moduli c(11), c(12), s(11), and s(12). The experimental value for the density derivative of refractive index rho(dn/drho)T deviates by only a small amount from the value calculated from the Lorentz-Lorenz equation. This is the expected result for molecular solids. The density variation with temperature is the dominant contribution to dn/dT.

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