Journal
OPTICAL REVIEW
Volume 19, Issue 5, Pages 287-289Publisher
OPTICAL SOC JAPAN
DOI: 10.1007/s10043-012-0044-4
Keywords
cylindrical lens; lens array; contact angle; pinning; UV-curable polymer
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A technique of controlling the pitch and radius of curvature of a cylindrical lens array is presented. The lens pitch is controlled by producing the linear partition walls that sandwich a UV-curable polymer. The partition walls are created by scratching a polymeric substrate with a sharp edge. The radius of curvature can be controlled by designating the volume of the UV-curable polymer dispensed between the partition walls that prevent the spreading of the polymer due to the pinning effect. This technique can contribute to realizing a practical fabrication method for cylindrical lens arrays owing to its simplicity and flexibility.
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