期刊
OPTICS EXPRESS
卷 24, 期 19, 页码 21541-21550出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.24.021541
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- Agentschap voor Innovatie doorWetenschap en Technologie (IWT) (SECONDOS) [SBO 120019]
- Interuniversity Attraction Poles program of the Belgian Science Policy Office [IAP P7-35]
We report on efficient optical beam-steering using a hot-embossed reflective blazed grating in combination with liquid crystal. A numerical simulation of the electrical switching characteristics of the liquid crystal is performed and the results are used in an FDTD optical simulator to analyze the beam deflection. The corresponding experiment on the realized device is performed and is found to be in good agreement. Beam deflection angles of 4.4 degrees upon perpendicular incidence are found with low applied voltages of 3.4V. By tilting the device with respect to the incoming optical beam it can be electronically switched such that the beam undergoes either total internal reflection or reflection with a tunable angle. (C) 2016 Optical Society of America
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