Birefringence-free acrylic resin for precision plastic optics

Hiromasa Kawai; Minoru Suzuki; Akihiro Yoshida

doi:10.1117/12.284098

22 September 1997 Birefringence-free acrylic resin for precision plastic optics

Hiromasa Kawai, Minoru Suzuki, Akihiro Yoshida

Proceedings Volume 3135, Precision Plastic Optics for Optical Storage, Displays, Imaging, and Communications; (1997) https://doi.org/10.1117/12.284098
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

Various optical components using polarized optics have been developed for the optical data storage, imaging and display. For developing the high performance products with reduced cost, novel transparent plastics offering no birefringence are in demand. Birefringence-free acrylic copolymers that are based on the molecular design in which compensates the polarity of the macromolecule by using random copolymerization of the positive-birefringent monomers with the negative-birefringent monomers, have ben developed to meet the demand. These resins can offer the molded products having no birefringence even in the near-gate part because the birefringence based on the molecular orientation caused by molding process is compensated by the molecular structure. In addition, they offer high heat resistance or colorless transparency with low moisture absorption due to copolymers include the rigid and hydrophobic monomer components having cycloaliphatic hydrocarbon groups. Because of the above characteristics, it has just been applied to some precision-molded lenses for optical laser pick-ups and liquid crystalline projectors. It is fully able to meet the applications as optical laser pick-ups, liquid crystalline projectors, liquid crystalline displays, etc.

Citation Download Citation

Hiromasa Kawai, Minoru Suzuki, and Akihiro Yoshida "Birefringence-free acrylic resin for precision plastic optics", Proc. SPIE 3135, Precision Plastic Optics for Optical Storage, Displays, Imaging, and Communications, (22 September 1997); https://doi.org/10.1117/12.284098

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