Abstract

In this paper, a low-cost, large-visual-field pyroelectric infrared linear device fabricated using a multisensor was reported. The multisensor has been fabricated by connecting five unit sensors to a flexible circuit whose substrate is a polyethylene terephthalate film. The fabrication process of the pyroelectric sensor, microstructure, sensor electric properties, and device performances were studied. In order to obtain a larger visual field, the multisensor has been bent a specific angle. The visual field angle (more than 180°) of the device can be much larger than a traditional linear device (132°), and this greatly improved the detection capability of the pyroelectric infrared linear device with lower cost than the other methods.

© 2017 Optical Society of America

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