Negative dispersion retarder with a wide viewing angle made by stacking reactive mesogen on a polymethylmethacrylate film

Seungbin Yang; Hyojin Lee; Ji-Hoon Lee

doi:10.1117/1.OE.55.2.027106

18 February 2016 Negative dispersion retarder with a wide viewing angle made by stacking reactive mesogen on a polymethylmethacrylate film

Seungbin Yang, Hyojin Lee, Ji-Hoon Lee

Author Affiliations +

Optical Engineering, Vol. 55, Issue 2, 027106 (February 2016). https://doi.org/10.1117/1.OE.55.2.027106

Abstract

We experimentally demonstrated a retarder with a wide field-of-view as well as a negative dispersion (ND) of birefringence. We stacked reactive mesogen, which has a positive birefringence, and polymethylmethacrylate, which has a negative birefringence. The out-of-plane retardation (R_th) of the stacked film was 6 nm. This value is about a tenth of that of a general retarder and demonstrates a small change in the retardation (Re) at an oblique viewing angle. The stacked film showed an ND of the birefringence, where Re(450 nm)/Re(550 nm)=0.818 and Re(650 nm)/Re(550 nm)=1.110. The dispersion properties were close to the ideal dispersion of an achromatic retarder and showed a small Re-dependence on the wavelength of light.

Citation Download Citation

Seungbin Yang, Hyojin Lee, and Ji-Hoon Lee "Negative dispersion retarder with a wide viewing angle made by stacking reactive mesogen on a polymethylmethacrylate film," Optical Engineering 55(2), 027106 (18 February 2016). https://doi.org/10.1117/1.OE.55.2.027106

Published: 18 February 2016

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