Active galactic nuclei (AGN) are among the most energetic phenomena observed in the universe. These luminous objects, powered ...

1-13 (13 pages) We describe and demonstrate a technique for correcting direction dependent artifacts due to asymmetries in antenna patterns and differences among antennas used in radio ...

This imaging technique has been successfully used in the past to study volcanoes on the surface of Jupiter's moon Io. The Jupiter results encouraged the researchers to use the interferometer to ...

We have constructed a thermally compensated field-widened monolithic Michelson interferometer that can be used with a medium-resolution spectrograph to measure precise Doppler radial velocities of ...

Areas of expertise include imaging and non-imaging systems, micro-objectives, interferometry, scanning systems, LIDAR and biometric applications. Promet Optics also manufactures FiBO Interferometers, ...

interferometer design, and algorithm development. SPIE Dennis Gabor Award in Diffractive Optics: Zeev Zalevsky For significant contributions to the field of diffractive optics and holography, ...

The team described how they captured the infrared image of the supermassive black hole using a Large Binocular Telescope Interferometer ... detail that the LBTI and imaging technique reveal ...

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ZSI shearing interferometer provides Angstrom-level vertical resolution. PSI phase shifting interferometry offers improved interference contrast imaging, ideal for nanometer-level surface heights and ...