Professor Robert L. Byer has conducted research and taught classes in lasers and nonlinear optics at Stanford University since 1969. He has made numerous contributions to laser science and technology including the demonstration of the first tunable visible parametric oscillator, the development of the Q-switched unstable resonator Nd:YAG laser, remote sensing using tunable infrared sources and precision spectroscopy using Coherent Anti Stokes Raman Scattering (CARS). Current research includes the development of nonlinear optical materials and laser diode pumped solid state laser sources for applications to gravitational wave detection and to laser particle acceleration.
Professor Fejer’s group focuses on nonlinear and guided-wave optics as well as novel nonlinear optical materials and their device applications. Particular areas of interest are the use of microstructured nonlinear optical materials to perform optical signal processing and efficient wavelength conversion for telecom applications. In collaboration with Professor Kahn’s group, Fejer’s group is developing wavelength converters for mid-IR optical communications.
The Digonnet group performs research on fiber optics. Previous areas of activity have included WDM fiber couplers, single crystal fibers, and integrated optics for fiber sensors. Current research interests include photonic-bandgap fibers, fiber sensors and sensor arrays, high-power ceramic lasers, fiber lasers and amplifiers, fiber gratings, slow light, and optical microcavities.
High accuracy navigation and gravimetric sensors based on de Broglie wave interferometry; Future atom optics sensors which exploit the novel coherence properties of Bose-Einstein condensates
Professor Levoy’s group is currently performing research on light field imaging and display, computational imaging, and digital photography.
His group has built optoelectronic devices for measuring 3D shape, light fields and reflectance functions. These include a real-time range scanner based on video projectors, a handheld camera for capturing instantaneous light fields, and a multi-camera array for acquiring video light fields. A light field is a 2D array of 2D images, each taken from a different viewpoint. By assembling pixels from several images taken from different viewpoints, new views can be constructed from observer positions not present in the original array.
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