Titlebook: New Directions in Guided Wave and Coherent Optics; Volume I and Volume D. B. Ostrowsky (Professor of Physics),E. Spitz (D Book 1984 Spring

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Light Amplifiers in Optical Communication Systems,h information bandwidth (.1Gbit/s) communication systems, such as transoceanic cable links or trunk networks. With such fibers, especially when chromatic dispersion is negligible, the range is only limited by attenuation, so there would be no need for complete signal regeneration (pulse shaping, tim

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Fibers in Medicine II,tical fibers are now used in several areas of medical procedures either in connection with different types of lasers,particularly for surgical applications, or in diagnostic or therapy instrumentations. The present paper is focused on three particular topics:

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Optical Beam Phase-Conjugation by Stimulated Backscattering in Multimode Optical Waveguides,kscattering in waveguides, whether it be of Raman, Brillouin, Rayleigh, or other origin. We review the theory of the magnitude of the phase-conjugate component in stimulated backscattering of waves in a multimode optical guide, the usual experimental configuration. Wide applicability of stimulated b

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Phase Conjugation and Applications to Real Time Optical Treatment,bility of performing operations in real time on the phase and amplitude of optical wavefronts. The use of such non linear interactions has resulted in numerous new applications such as adaptive optics, image transmission and amplification and non linear spectroscopy. In this paper we present at firs

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Bistable Optical Devices,devices to perform a wide variety of optical signal-processing operations has now been demonstrated. Experiments have been performed both using intrinsic devices, which make use of materials with an intrinsic optical nonlinearity, and hybrid devices, which use a detector and an electrooptic modulato

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Fiber and Integrated Optical Devices for Signal Processing,, and computation are among the signal processing functions which can be performed using integrated optical devices. Optical fibers can be used for signal delay and storage and for implementing transversal filters and delay-matched filters. Some other interesting possibilities make use of both fiber

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lineages of cancer cells, which comprise the tumor. It is emphasized that a unique feature of cancer stem cells is that, although conventional chemotherapy kills most cells in a tumor, cancer stem cells remain intact. Vast applications of the following specific stem cells in disease and tissue inju