Refractive indices of birefringent photopolymer resin using the Brewster angle method

  • Meara Noelle Tolentino National Institute of Physics, University of the Philippines Diliman
  • Nathaniel Hermosa National Institute of Physics, University of the Philippines Diliman

Abstract

Photopolymers are known to change its properties upon exposure to light. One property is its birefringence, which is the presence of two refractive indices in a material. In our study, we obtained the indices of a birefringent photopolymer resin by obtaining the Brewster angle of the sample at the vertical and horizontal orientations. By impinging p-polarized light on the surface of the resin, we were able to obtain the Brewster angle and calculate the refractive indices for both the horizontal and vertical orientations of the material: 1.511±0.0009 and 1.528±0.0009 respectively. The birefringence was calculated to be 1.70 ± 0.127x10⁻² The order of magnitude for the birefringence of the photopolymer resin finds applications in multilayer mirror construction and optical storage.

Published
2019-05-22
How to Cite
[1]
M. N. Tolentino and N. Hermosa. Refractive indices of birefringent photopolymer resin using the Brewster angle method, Proceedings of the Samahang Pisika ng Pilipinas 37, SPP-2019-PA-49 (2019). URL: https://paperview.spp-online.org/proceedings/article/view/SPP-2019-PA-49.