Abstract
The concept of time lens is based on the analogy between optical spatial diffraction and temporal dispersion. It extends our knowledge of optics in the space-domain into the time-domain. Novel temporal imaging and signal processing systems can be constructed that mimic the operation of their spatial counterparts in the space-domain. We are currently implementing time lenses with off-the-shelf optoelectronic devices. In this paper, a theoretical model for general temporal imaging systems is established based on the space-time duality. Design criteria as well as specifications of the time lenses presently under development are described. Applications of temporal imaging and processing systems based on novel time lenses are discussed.
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