A micro-display system based on optical fiber driven by a 2-D piezoelectric actuator is presented. An optical fiber is extended from the free end of a 2-D piezoelectric actuator (free length: 4.3mm). A field programmable gate array (FPGA) drives the actuator using a triangular waveform to deflect the optical fiber in orthogonal directions. The FPGA also controls a LED light source and the light is coupled into a chemically tapered SMF-28 fiber (core diameter: 10μm). At a pre-set pairing of ne ar-resonance frequencies (Horizontal: 22Hz; Vertical:5070Hz), the deflected optical fiber in combination with controlled light pr oduces an output image with an approximate dimension of 0.3 × 0.3 mm2, and a potential resolution of 400 lines per scan. This pa per details the design and fabrication of the micro-display system. The mechanical and optical design for the microresonating scanner will be discussed. In addition, the mechanical and optical performance and the resulting output of the 2-D scanner will be presented.
2-D Mechanically resonating fiberoptic scanning display system
2010-10-01
533385 byte
Conference paper
Electronic Resource
English
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