Lecture:     2 hrs/week during winter term for Graduate Students of Electrical Engineering,
             recommended for students specializing in Instrumentation and Control.
Professor: Dr. rer. nat. Reinhard Ulrich
             'Vordiplom' in Electrical Engineering;
             Lectures: 'Theory of Electrical Engineering', 'Transmission Line Theory', 'Systems Theory'
Goal:        General description of optical waves guided in fibers, planar and stripe waveguides.
             Fundamentals, materials, techniques, and applications in instrumentation and signal processing.
Language: English
Examination: oral, by appointment.

Course contents
-   Technical significance of fiber optics and integrated optics; historical development; comparison with
    competing technologies for communication, instrumentation, and signal processing .
-   Optical waveguides: wave equation, boundary conditions, dielectric waveguides, index profiles,
    ray-optical description of wave propagation: ray-tracing; wave-optical description: fields, modes;
    1- and 2-dimensional confinement: planar guides, fibers; role of polarization.
-   Power flow in optical waveguides: coupling into and out of waveguides through the ends: ray- and
    wave-optical treatment, near field, far field, numerical aperture NA, modal fields, power density,
    orthogonality of modal fields, attenuation by absorption, scattering, and curvature.
-   Optical fibers: cross-sections, index profiles, materials, fabrication, typical properties, fiber cables;
    connecting fibers by splicing, by connectors; monomode- and multimode fibers: polarization and
    birefringence, polarization-maintaining fibers.
-   Waveguides of integrated optics: planar and stripe waveguides; general concepts, material classes: glass,
    LiNbO3, polymers, semiconductors; methods of fabrication: deposition, diffusion, ion exchange,
    lithography; characterization, typical properties.
-   Components of/for fiber optics: light sources: LEDs, lasers, SLDs; detectors; directional couplers,
    prinicple of operation, construction, multiplexers, N x N couplers, spectral filters, polarizers, fiber
    amplifiers, fiber lasers.
-   Components of integrated optics: passive components: branching filters, directional couplers, reflectors,
    Bragg gratings, polarizers; active components: lasers, modulators, switches, nonlinear devices.
-   Fiber-optical transmission of optical power and optical images: through fiber bundles for illumination,
    through single fibers: laser surgery, fiber optical actuators; image transmission by coherent bundles.
-   Fiber optical sensors using fibers for signal transmission: modulation, encoding, and decoding of
    measurands; digital and analog optical sensors, spectral encoding, time/frequency encoding sensors.
-   Fiber optical sensor systems, sensor networks, hybrid electronic/optical sensors, distributed sensors:
    thermometer, 'smart skin' sensors, sensor networks.
-   Intrinsic fiber optical sensors: using fibers as transducing element: fiber optical interferometers,
    hydrophon, magnetometer, Faraday current sensor, Sagnac interferometer: fiber gyro

                                                                                                     FOICMENG 11.10.97 RU

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