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959 results on '"McLean, Ian S."'

951. WFOS: a wide field optical spectrograph for the Thirty Meter Telescope

Author

Tim Hardy, Andre Anthony, Simon Sun, John Pazder, David Loop, Scott Roberts, Murray Fletcher, Roberto Abraham, McLean, Ian S., and Iye, Masanori

Subjects
Physics, business.industry, Optical engineering, law.invention, Telescope, Optics, law, Extremely Large Telescope, Spectral resolution, business, Secondary mirror, Adaptive optics, Spectrograph, Thirty Meter Telescope, Remote sensing
Abstract

SPIE Astronomical Telescopes + Instrumentation, May 24-31, 2006, Orlando, Florida, United States, Series: Proceedings of SPIE; no. 6269

Published
2006
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952. Performance of F2T2 tandem tunable etalon

Author

Neil Rowlands, Jeff Julian, David Crampton, Joss Bland-Hawthorn, Elizabeth J. Barton, S. S. Eikenberry, René Doyon, Roger Julian, Maniyar Javed, Nick Raines, David Loop, Matthew A. Bershady, Alan Scott, Jean-Paul Kneib, Roberto Abraham, J. D. T. Smith, McLean, Ian S., and Iye, Masanori

Subjects
Physics, business.industry, Aperture, Astrophysics::Instrumentation and Methods for Astrophysics, Physics::Optics, Astrophysics::Cosmology and Extragalactic Astrophysics, First light, law.invention, Telescope, Optics, Gravitational lens, law, Optoelectronics, Spectral resolution, business, Adaptive optics, Spectrograph, Astrophysics::Galaxy Astrophysics, Fabry–Pérot interferometer
Abstract

SPIE Astronomical Telescopes + Instrumentation, 2006, Orlando, Florida, United States, Series: Proceedings of SPIE; no. 6269

Published
2006
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953. The optical design of the wide field optical spectrograph for the Thirty Meter Telescope

Author

Chris Morbey, John Pazder, Murray Fletcher, McLean, Ian S., and Iye, Masanori

Subjects
Physics, business.industry, Astrophysics::Instrumentation and Methods for Astrophysics, Physics::Optics, Collimator, Grating, Diffraction efficiency, law.invention, Optical axis, Catadioptric system, Optics, law, Extremely Large Telescope, Optoelectronics, business, Spectrograph, Thirty Meter Telescope
Abstract

Ground-Based and Airborne Instrumentation for Astronomy, Orlando, FL, USA, Series: Proceedings of SPIE; no. 6269

Published
2006
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954. FLAMINGOS-2 OIWFS

Author

Brian Leckie, Tim Hardy, Robert Wooff, William Gardhouse, Murray Fletcher, McLean, Ian S., and Iye, Masanori

Subjects
Grism, Gemini Observatory, Optics, Spectrometer, business.industry, Infrared, Computer science, Controller (computing), Wavefront sensor, Adaptive optics, business, Spectrograph
Abstract

SPIE Astronomical Telescopes + Instrumentation, 2006, Orlando, Florida, United States, Series: Proceedings of SPIE; no. 6269

Published
2006

955. An infrared integral field spectrograph specialized for speckle suppression and the direct detection of extrasolar planets

Author

David Lafrenière, Jean-François Lavigne, René Doyon, Simon Thibault, McLean, Ian S., and Iye, Masanori

Subjects
Physics, Microlens, Speckle pattern, Stars, Optics, Integral field spectrograph, business.industry, Planet, Optical engineering, Astronomy, Gemini Planet Imager, business, Exoplanet
Abstract

SPIE Astronomical Telescopes + Instrumentation, 2006, Orlando, Florida, United States, Series: Proceedings of SPIE; no. 6269

Published
2006
Full Text
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956. The MOAO system of the IRMOS near-infrared multi-object spectrograph for TMT

Author

William Rambold, David R. Andersen, Donald T. Gavel, Stephen S. Eikenberry, Richard Clare, Murray Fletcher, Brian Leckie, Laurent Jolissaint, Jean-Pierre Véran, Rafael Guzman, Roger Julian, William Gardhouse, McLean, Ian S., and Iye, Masanori

Subjects
Wavefront, Physics, Optics, business.industry, Trade study, Guide star, Aerospace engineering, business, Adaptive optics, Focus (optics), Encircled energy, Spectrograph, Deformable mirror
Abstract

SPIE Astronomical Telescopes + Instrumentation, 2006, Orlando, Florida, USA, Series: Proceedings of SPIE; no. 6269

Published
2006

957. Instrument concepts and scientific opportunities for TMT

Author

David Crampton, Luc Simard, McLean, Ian S., and Iye, Masanori

Subjects
Physics, Telescope, Segmented mirror, Observatory, law, Suite, Systems engineering, First light, Instrumentation (computer programming), Architecture, Adaptive optics, Remote sensing, law.invention
Abstract

Ground-based and Airborne Instrumentation for Astronomy, 38862, Orlando, Florida, United States, Series: Proceedings of SPIE; no. 6269

Published
2006

958. IRMOS: The near-infrared multi-object spectrograph for the TMT

Author

John Bally, Stephen S. Eikenberry, Ata Sarajedini, Rafael Guzman, Salvador Cuevas, Rusty Gardhouse, David C. Koo, Carlos San Roman, Donald T. Gavel, J. Alberto Lopez, David R. Andersen, John C. Ziegert, Jean-Pierre Véran, Jonathan C. Tan, Roger Julian, Sam Hamner, Murray Fletcher, Elizabeth A. Lada, Roser Pello, Jeff Julian, Kim A. Venn, Brian Leckie, Fred Hamann, William Rambold, Jorge Perez, Nicolas Gruel, Anthony H. Gonzalez, McLean, Ian S., and Iye, Masanori

Subjects
Physics, Optics, business.industry, Near-infrared spectroscopy, Field spectroscopy, Field of view, Instrument design, business, Object (computer science), Adaptive optics, Spectrograph, Thirty Meter Telescope, Remote sensing
Abstract

SPIE Astronomical Telescopes + Instrumentation, 2006, Orlando, Florida, United States, Series: Proceedings of SPIE; no. 6269

Published
2006
Full Text
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959. CASIMIR: A high resolution, far-IR/submm spectrometer for airborne astronomy

Author

Sean Lin, Frank Maiwald, Robert Lin, Simon J. E. Radford, Imran Mehdi, Alexandre Karpov, David P. Miller, John Ward, F. Rice, Michael L. Edgar, Martin Emprechtinger, Jonas Zmuidzinas, McLean, Ian S., Ramsay, Suzanne K., and Takami, Hideki

Subjects
Heterodyne, Physics, Infrared astronomy, Spectrometer, Terahertz radiation, business.industry, Stratospheric Observatory for Infrared Astronomy, Astrophysics::Instrumentation and Methods for Astrophysics, Astronomy, Radio spectrum, Optics, Observational astronomy, Far infrared, business, Astrophysics::Galaxy Astrophysics
Abstract

CASIMIR, the Caltech Airborne Submillimeter Interstellar Medium Investigations Receiver, is a far-infrared and submillimeter heterodyne spectrometer, being developed for the Stratospheric Observatory For Infrared Astronomy, SOFIA. CASIMIR will use newly developed superconducting-insulating-superconducting (SIS) mixers. Combined with the 2.5 m mirror of SOFIA, these detectors will allow observations with high sensitivity to be made in the frequency range from 500 GHz up to 1.4 THz. Initially, at least 5 frequency bands in this range are planned, each with a 4-8 GHz IF passband. Up to 4 frequency bands will be available on each flight and bands may be swapped readily between flights. The local oscillators for all bands are synthesized and tuner-less, using solid state multipliers. CASIMIR also uses a novel, commercial, field-programmable gate array (FPGA) based, fast Fourier transform spectrometer, with extremely high resolution, 22000 (268 kHz at 6 GHz), yielding a system resolution > 10 6 . CASIMIR is extremely well suited to observe the warm, ≈ 100K, interstellar medium, particularly hydrides and water lines, in both galactic and extragalactic sources. We present an overview of the instrument, its capabilities and systems. We also describe recent progress in development of the local oscillators and present our first astronomical observations obtained with the new type of spectrometer.

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