Abstract

In this paper, we propose a high-efficiency diffraction grating called a fiber grating, which is composed of many optical fibers arrayed as a monolayer. When a laser beam is irradiated perpendicularly onto the grating, the device can emit several tens of beams with uniform intensities over a wide angle. Crossed fiber gratings can produce 2-D spot arrays. The application in multiple imaging is demonstrated.

© 1984 Optical Society of America

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