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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 20, Iss. 7 — Jul. 1, 2003
  • pp: 1447–1458

General temporal self-imaging phenomena

José Azaña and Lawrence R. Chen  »View Author Affiliations


JOSA B, Vol. 20, Issue 7, pp. 1447-1458 (2003)
http://dx.doi.org/10.1364/JOSAB.20.001447


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Abstract

Using the space–time duality theory, we introduce and analyze theoretically the temporal equivalent of the spatial self-imaging phenomena under point-source illumination (spherical wave-front illumination). This temporal effect can be produced by passing a given periodic optical pulse sequence through a time lens followed by a dispersive medium. The time lens (quadratic phase modulator) implements the time-domain equivalent of spherical wave-front illumination. Based on this temporal effect, we demonstrate that a system composed of a time lens followed by a dispersive medium can be configured to operate over a periodic optical pulse sequence of finite duration (i) as a conventional temporal imaging system, providing a distortionless temporal compression or expansion of the original pulse sequence, or (ii) as an advanced temporal imaging system, combining the capabilities of a conventional imaging system with those of the fractional temporal self-imaging effect, i.e., multiplication of the original pulse-repetition rate.

© 2003 Optical Society of America

OCIS Codes
(070.6020) Fourier optics and signal processing : Continuous optical signal processing
(070.6760) Fourier optics and signal processing : Talbot and self-imaging effects
(110.0110) Imaging systems : Imaging systems
(320.5550) Ultrafast optics : Pulses

Citation
José Azaña and Lawrence R. Chen, "General temporal self-imaging phenomena," J. Opt. Soc. Am. B 20, 1447-1458 (2003)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-20-7-1447

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