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We introduce the concept of mechanically stretchable optical waveguides. The technology to fabricate these waveguides is based on a cost-efficient replication method, employing commercially available polydimethylsiloxane (PDMS) materials. Furthermore, VCSELs (? = 850 nm) and photodiodes, embedded in a flexible
An optical waveguide is a spatially inhomogeneous structure for guiding light, i.e. for restricting the spatial region in which light can propagate. Usually, a waveguide contains a region of increased refractive index, compared with the surrounding medium (called cladding).
Optical waveguides are the key elements of photonic devices that perform guiding, coupling, switching, splitting, multiplexing and demultiplexing of optical signals. Passive waveguides, electrooptic components, transmitters, receivers, and driving electronics can be integrated into one chip using planar technology, similar to
Lecture 7: Optical waveguides. Petr Kuzel. Types of guiding structures: • Planar waveguides (integrated optics). • Fibers (communications). Theory: • Rays and field approach. • Various shapes and index profiles. Attenuation and dispersion. Coupling of light into the waveguide
The online version of Optical Waveguides by N. Kapany on ScienceDirect.com, the world's leading platform for high quality peer-reviewed full-text books.
Abstract. A simple method is presented for finding the modes on those optical waveguides with a cladding refractive index that differs only slightly from the refractive index of the core. The method applies to waveguides of arbitrary refractive index profile, arbitrary number of propagating modes, and arbitrary cross section.
An optical waveguide is a physical structure that guides electromagnetic waves in the optical spectrum. Common types of optical waveguides include optical fiber and rectangular waveguides.
The material systems of optical waveguides, which are described in this chapter, are displayed in the fol- lowing: (1) in fibers, (2) in SiO2, (3) in Polymethylmethacrylate (PMMA), (4) in. GaAs, and (5) in InP. 2.1 The Most Important Optical Laws. Light can be described both, as an electromagnetic wave [wave theory (Webb.
An optical wave guide is a structure that "guides" a light wave by constraining it to travel along a certain desired path. If the transverse dimensions of the guide are much larger than the wavelength of the guided light, then we can explain how the optical waveguide works using geometrical optics and total internal reflection
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