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This study implements a novel lighting chip with tunable radiation pattern. The lighting chip consists of polymer-dispersed liquid crystal (PDLC) microprism array, LED, and Si-carrier. By integrating the characteristics of microprism and the scattering/transmitting modes of PDLC, the PDLC-microprism enables the tuning of radiation pattern when applying voltage. The lighting chip with PDLC-microprism...
This work proposed a novel optical pickup head with tracking and focusing system in a monolithic device. The device was fabricated by poly-Si trench-refilled technology and used UV polymer droplet as objective lens. In-plane (tracking) and out-of-plane (focusing) motion were decoupled by springs, gimbal structure, and actuators. In results, we successfully demonstrate the proposed device included...
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