Optical brush is an open-ended bundle of optical fibers that is enabled with time of flight technology to image and sense through complex environments. This imaging interface allows fibers to penetrate through barriers and complex geometries to sense and image in conventionally unreachable areas.
A set of reference clock pulses of light is delivered to the fibers that enable full localization of each fiber in the sensing medium. This allows the large number of fibers to move freely in the sensing environment. Each fiber delivers another signal from the scene or medium. By merging the location of each fiber and the signal that each fiber measures an image is reconstructed independent of the permutation of the fibers.
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