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Sourangsu Banerji, Monjurul Meem, Apratim Majumder, Fernando Guevara Vasquez, Berardi Sensale-Rodriguez, and Rajesh Menon Opt. Lett. 44(22) 5450-5452 (2019)

Dl4097 flight status

Imaging with high angular resolution requires large apertures and long focal lengths. This has prevented the integration of telephoto lenses into thin devices such as modern mobile phones. We report a camera module employing multiple rotated rectangular apertures and folding of the optical system into the plane of the camera, enabling an order-of-magnitude reduction in depth compared to traditional telephoto lenses. Multiple images are fused in the frequency domain to yield a single high-resolution image equivalent to that yielded by a single circular aperture. The diameter of this equivalent aperture may be several times wider than the depth of the camera module. We propose two architectures and present illustrative optical designs to demonstrate the concept. Simulations of raytraced image acquisition and computational image reconstruction demonstrate the potential for high-quality, high-resolution imaging from thin, flat lens modules.

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Dl0977 flight status

Guillem Carles, Shouqian Chen, Nicholas Bustin, James Downing, Duncan McCall, Andrew Wood, and Andrew R. Harvey Opt. Lett. 41(8) 1869-1872 (2016)

Dl973 flight status

Imaging with high angular resolution requires large apertures and long focal lengths. This has prevented the integration of telephoto lenses into thin devices such as modern mobile phones. We report a camera module employing multiple rotated rectangular apertures and folding of the optical system into the plane of the camera, enabling an order-of-magnitude reduction in depth compared to traditional telephoto lenses. Multiple images are fused in the frequency domain to yield a single high-resolution image equivalent to that yielded by a single circular aperture. The diameter of this equivalent aperture may be several times wider than the depth of the camera module. We propose two architectures and present illustrative optical designs to demonstrate the concept. Simulations of raytraced image acquisition and computational image reconstruction demonstrate the potential for high-quality, high-resolution imaging from thin, flat lens modules.

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DL98

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You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution. Contact your librarian or system administrator or Login to access Optica Member Subscription