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Ultrathin Camera Creates Images Without Lenses

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A novel camera uses an ultrathin optical phased array (OPA) in place of lenses to enable a thin, light, flexible design. The OPA manipulates light through a large array of light receivers. Each receiver can add a tightly controlled phase shift to the light it receives, enabling the camera to selectively look in different directions and focus on different things. At Caltech, engineers have developed a new camera design that replaces the lenses with an ultrathin optical phased array (OPA). Courtesy of Caltech. The 2D lensless camera has an array composed of 64 light receivers in an 8...Read full article

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