The starlight metrology subsystem
Describes a metrology subsystem for NASA's Starlight mission, a space-based separated-spacecraft stellar interferometer.
metrology, stellar interferometry↗
Engineering topics
Dubovitsky, S.
Publications and source records attributed to Dubovitsky, S..
MSTAR: a sub-micron absolute metrology system
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absolute metrology↗
Techniques for the reduction of cyclic errors in laser metroogy gauges for the space interferometry mission
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laser metrology interferometry↗
Techniques for the reduction of cyclic errors in laser metrology gauges for the space interferometry mission
This paper discusses the techniques for the reduction of cyclic errors in laser metrology gauges for the space interferometry mission.
laser metrology interferometry↗
Metrology for the StarLight Stellar Interferometry Mission
We describe the Metrology System for NASA's StarLight mission, a space-based separated-spacecraft stellar interferometer.
metrology stellar interferometery↗
Polarization compensation: a passive approach to reduce heterodyne interferometer nonlinearity
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linear metrology cyclic error↗
Pointing control challenges of the ST3 formulation flying stellar interferometer
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interferometry metrology pointing control↗
Dual Target Metrology
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metrology optical interferometry dual target heter↗
Demonstration of nm-Level Active Metrology for Long Range Interferometric Displacement Measurements
We report on the laboratory demonstration of an active linear metrology scheme using two separate lasers.
Active↗
Semiconductor Laser Linewidth Measurements for Space Interferometry Applications
Narrow linewidth (<100KHz) semiconductor lasers are expected to be a key technology in NASA's stellar interferometry missions to search for planets around nearby stars. Long coherence length lasers are needed for precise (20 pm to 5 mn) measurements of the optical path difference. This work discusses results using the self-heterodyne delay technique to measure 1.3 micrometer InP based DFB lasers. We will also address practical issues concerning detection and elimination of back reflections, choice of fiber length and resolution, and measurement of laser 1/f and current supply noise.
Dougherty, D. J.↗
Semiconductor Laser Line-width Measurements for Space Interferometry Applications
This work discusses results using the self-heterodyne delay atechnique to measure 1.3 um InP based DFB lasers. We will also address practical issues concerning detection and elimination of back reflections, choice of fiber length and resolution, and measurement of laser 1/f and current supply noise.
DFB laser delayed self-heterodyne interferometer l↗
Design of the ST 3 Formation Flying Interferometer
The interferometer will operate in both a single spacecraft mode and a formation flying mode using two spacecraft. The primary goal is to validate interferometer and formation flying technology for future missions.
ST 3 optical interferometry formation flying↗
Interferometer Instrument Design for New Millenium Deep Space 3
Deep Space 3 will fly a stellar optical interferometer on three separate spacecraft in heliocentric orbit: one spacecraft for the Michelson beam combining optics, and two spacecraft for each of the starlight apertures.
space-based↗
Deep Space 3 Metrology System
A metrology subsystem on board the Deep Space 3, a separated interferometer mission, is used to determine stellar fringe delay jitter, delay rate, and intial delay.
Deep↗
Integrated Optic Frequency Shifters for Space Heterodyne Interferometry
Heterodyne interferometer laser gauges are used in space-based astronomical interferometers to very accurately measure and compensate for variations in starlight pathlength.
Space↗
Generation and Control of Submillimeter Radiation with Locked DBR Diode Lasers
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generating submillimeter radiation GaAs photomixer↗