Introduction to Optics part II Overview lecture Space Systems Engineering presented by: Prof David Miller prepared by: Olivier de Weck Revised and augmented by: Soon-Jo Chung Chart: 1 16.684 Space Systems Product Development February 13, 2001 MIT Space Systems Laboratory
16.684 Space Systems Product Development Chart: 1 February 13, 2001 MIT Space Systems Laboratory Introduction to Optics part II Overview Lecture Space Systems Engineering presented by: Prof. David Miller prepared by: Olivier de Weck Revised and augmented by: Soon-Jo Chung
Interferometer Types (NASA, AirForce) SIM-2006 Space technology 3-2005 Air force ultralIte Michelson Interferometer Michelson Interferometer Fizeau interferometer Precision Astrometry Earth Observing Telescope TPF-2011 NGST-2007 Michelson Interferometer A Common Secondary Mirror(MMT, Fizeau Primary Mirror =8 m diameter Chart: 2 16.684 Space Systems Product Development February 13, 2001 MIT Space Systems Laboratory
16.684 Space Systems Product Development Chart: 2 February 13, 2001 MIT Space Systems Laboratory Interferometer Types (NASA, AirForce) SIM-2006 Space Technology 3-2005 Air Force UltraLITE Michelson Interferometer Precision Astrometry Michelson Interferometer Fizeau Interferometer Earth Observing Telescope TPF - 2011 NGST - 2007 Michelson Interferometer A Common Secondary Mirror (MMT, Fizeau) Primary Mirror = 8 m diameter
Interferometer Types(Ground) THE KECK INTERFEROMETEP Keck Interferometer -2006 Michelson Interferometer(Infrared) Twin 10 m Keck Telescopes and four 1.8 m outriggers Baseline 85 LASARJPL CAR Palomar testbed Interferometer Michelson Interferometer(Infrared Testbed for Keck and sim Mark lll interferometer Michelson Interferometer(Visible) Keck Observatory: Multiple mirror telescope(MMt) Fizeau Interferometer(Visible, Infrared) 36 hexagonal segments = 10 m overall aperture Chart: 3 16.684 Space Systems Product Development February 13, 2001 MIT Space Systems Laboratory
16.684 Space Systems Product Development Chart: 3 February 13, 2001 MIT Space Systems Laboratory Interferometer Types (Ground) Michelson Interferometer (Visible) Keck Interferometer-2006 Michelson Interferometer (Infrared) Twin 10 m Keck Telescopes and four 1.8 m outriggers Baseline 85m Palomar Testbed Interferometer Michelson Interferometer (Infrared) Testbed for Keck and SIM Mark III Interferometer Keck Observatory: Multiple Mirror Telescope (MMT) Fizeau Interferometer (Visible, Infrared) 36 hexagonal segments => 10 m overall aperture
Michelson interferometer Michelson lnterferometer Imaging with Michelson Interferometer Collector Beamsplitter slane Reconstructed Baseline orientations. Detector Collector Optical delay Detecto line Independent Light Collectors feed light to a common beam combiner. Get interfered fringes = Inverse Fourier Transform (CLEAN,MEM Suitable for Astronomical Objects Unchanged over a long period of time Chart: 4 16.684 Space Systems Product Development February 13, 2001 MIT Space Systems Laboratory
16.684 Space Systems Product Development Chart: 4 February 13, 2001 MIT Space Systems Laboratory Michelson Interferometer Independent Light Collectors feed light to a common beam combiner. Get interfered fringes => Inverse Fourier Transform (CLEAN,MEM) Suitable for Astronomical Objects: Unchanged over a long period of time Beamsplitter Collector Collector Michelson Interferometer Stellar wavefront Detector Detector Optical delay line Object Imaging with Michelson Interferometer FT "FT-1" Baseline orientations: + y x v v v y u u u x u-v (Fourier plane) Reconstructed image
Fizeau interferometer Fizeau Interferometer Detector Detector Telescopes Beam combiner Telescope Sparse aperture Fizeau Interferometer Telescope Gives a direct image of a target from a large combined primary mirror, and a wide field of view(Imaging applications in space and MMT) Suitable for Wide Angle Astrometry And for rapidly changing targets(Terrestrial, Earth Objects Chart: 5 16.684 Space Systems Product Development February 13, 2001 MIT Space Systems Laboratory
16.684 Space Systems Product Development Chart: 5 February 13, 2001 MIT Space Systems Laboratory Fizeau Interferometer Gives a direct image of a target from a large combined primary mirror, and a wide field of view (Imaging applications in space and MMT) Suitable for Wide Angle Astrometry And for rapidly changing targets (Terrestrial, Earth Objects) 1 2 3 Telescope Telescopes Fizeau Interferometer Fizeau Interferometer Detector Detector Sparse aperture Telescope "Beam combiner