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Showing 1 to 9 of 9 for “"Optical Interferometer"”.
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Design of an optical interferometer spacecraft
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1992.
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A long baseline optical interferometer for astrometry.
Thesis. 1978. Ph.D.--Massachusetts Institute of Technology. Dept. of Physics.
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Designing a beam combiner for faint limiting magnitudes in optical interferometry
… of this work has been to develop the Free-space Optical multi-apertUre combineR for IntERferometry (FOURIER), a novel, high sensitivity, near-infrared beam combiner intended to be the first generation science beam combiner for the Magdalena Ridge Observatory Interferometer (MROI). FOURIER is a …
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Interrogation of fibre optic sensors
… of fibre optic sensors using "off the shelf optical components and equipment developed mainly for the telecommunications industry. This provides a cost effective way of bringing fibre optic sensor systems to within the price range of their electro-mechanical counterparts. The research work …
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Phase stabilization of laser beams in a cold atom accelerometer
… to an instrument reference frame. The cold atom interferometer's reference frame is defined by a pair of specially prepared, counter-propagating laser beams, that measure inertially induced atom displacements with nm scale resolution. This corresponds to acceleration sensitivities comparable to …
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Optimization Of A Non-Contact Single Phase Drive Ultrasonic Micromotor: Via Design And Analysis Of Engineered Stator Curvature And Surface Acoustic Streaming Actuators
… streaming in the rotor-stator gap. Using interferometer measurements, we demonstrate smooth rotation of micromotor at 100 - 500 rpm. We implemented multiple gear coupled surface micromachined ultrasonic motors to achieve direction control, providing frequency selective motor operation. The …
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Development of an automated alignment system for the Magdalena Ridge Observatory Interferometer
The Magdalena Ridge Observatory Interferometer (MROI) is a long baseline optical interferometer under construction in New Mexico, USA. Once complete, it will study active galactic nuclei, young stellar objects and mass transfer in dynamical systems at visible and near infrared wavelengths with …
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Ultrasound field measurement and modelling for non-destructive testing
… applied relevant to electric current direction. Optical interferometer to measure the true normal displacement of the solid surface with a resolution in the order of nanometres, but it is much more complex than an EMAT and a piezoelectric probe and requires an optically flat surface. The …
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Interferometry-based Free Space Communication And Information Processing
… of opto-electronic information processing and optical communications. A number of optical systems using interferometric techniques both in the optical and the electronic domains has been demonstrated in the filed of signal transmission and processing, optical metrology, defense, and physical …