Materials, Photonic Devices, and Sensors

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

[+] Author Affiliations
Seungbin Yang, Hyojin Lee, Ji-Hoon Lee

Chonbuk National University, Advanced Electronics and Information Research Center, Division of Electronics Engineering, Jeonju, Jeonbuk 54896, Republic of Korea

Opt. Eng. 55(2), 027106 (Feb 18, 2016). doi:10.1117/1.OE.55.2.027106
History: Received December 3, 2015; Accepted February 2, 2016
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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 (Rth) 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.

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© 2016 Society of Photo-Optical Instrumentation Engineers

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", Opt. Eng. 55(2), 027106 (Feb 18, 2016). ; http://dx.doi.org/10.1117/1.OE.55.2.027106


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