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Showing 1 to 9 of 9 for “"External cavity laser"”.
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External cavity laser label-free biosensor
… crystal resonant reflector as a mirror of an external cavity laser, we demonstrate a new type of label-free optical biosensor that achieves a high quality factor through the process of stimulated emission, while at the same time providing high sensitivity, large dynamic range and simple …
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Porous photonic crystal external cavity laser biosensor
Embargo set by: Colleen Fallaw for item 102812 Lift date: 2019-08-10T21:27:21Z Reason: Author requested U of Illinois access only (OA after 2yrs) in Vireo ETD system
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External cavity laser biosensor for label-free detection
… In this work, we demonstrate a dual-mode external cavity laser (ECL) biosensor to address the desired needs. The utilization of photonic crystal resonant reflector biosensor as mode-selection filter enables high sensitivity, while the stimulated emission process in the laser cavity …
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External cavity laser with coherent amplifier array and multiple slit spatial filter
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1986.
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Laser diode-to-singlemode fiber butt-coupling and extremely-short-external-cavity laser diodes: Analysis, realization and applications
The butt-coupling of a Fabry-Perot semiconductor laser diode and a singlemode optical fiber was realized and characterized in the near field. A novel butt-coupling model was developed and found very effective in describing all physical phenomena that occur when the butt-coupling parameters are …
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Optically tunable external cavity ring laser
… characterization of a novel optically tunable external cavity ring laser is described here. The external cavity laser (ECL) utilizes a semiconductor optical amplifier as the gain medium in a ring configuration, and a surface photonic crystal incorporating a superstrate layer of an azobenzene …
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Evanescent field enhanced fluorescence on a photonic crystal surface
… For the first time, a PC coupled to an optical cavity will be demonstrated. A metal layer added to the bottom of a PC forming an optical cavity will be shown to further improve the signal-to-noise ratio of fluorescence detection by a factor of 6× compared to detection on a PC without an …
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Materials science and design for germanium monolithic light source on silicon
… of the threshold behavior of Ge-on-Si bulk laser and the temperature dependent performance; (2) process developments to grow and planarize the epitaxial Ge on Si in oxide trenches and corners; (3) introduction of n-type dopant into Ge-on-Si thin films while studying the threading dislocation …
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Advances in high-throughput screening: better compounds, novel targets, enhanced sensors
… limits of small-molecule detection in a novel laser-based optical biosensor technology. Taken together, these three stories encompass the full range of HTS concepts and offer a glimpse into the future of drug discovery.