NDLI: Sub-millimeter and far-infrared technology in the Herschel Space Observatory and beyond

Content Provider	IEEE Xplore Digital Library
Author	Pearson, J.C.
Copyright Year	2010
Description	Author affiliation: Jet Propulsion Laboratory, California Institute of Technology, Mail Stop 301-429, 4800 Oak Grove Dr., Pasadena, 91109, USA (Pearson, J.C.)
Abstract	The electromagnetic spectrum at wavelengths longer than 50 microns (∼6 THz), contains approximately half the total power emitted in the Universe since the big bang. Additionally, the spectral region also contains the boundary between the dust being optically thick and optically thin, as well as numerous transitions of atoms and molecules which can be used to study the physical, chemical and structural details of the interstellar medium. The majority of this spectral region is completely obscured from the surface of the Earth, due to absorption of water vapor in the atmosphere. The space environment offers a unique opportunity to observe the far infrared sky without atmospheric opacity or excess thermal emission. The Herschel Space Observatory is the first major facility operating in the far infrared. The Herschel instruments and their technology and optimization are presented along with a brief outline of the future developments needed in far infrared space sensors for astrophysics.
Starting Page	824
Ending Page	827
File Size	486292
Page Count	4
File Format	PDF
ISBN	9781424460564
ISSN	0149645X
e-ISBN	9781424460588
e-ISBN	9781424460571
DOI	10.1109/MWSYM.2010.5518193
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-05-23
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Space technology Observatories Atom optics Stimulated emission Optical sensors Infrared sensors Electromagnetic spectrum Chemicals Optical surface waves Earth Spectroscopy Satellites Submillimeter wave radiometry Submillimeter wave receivers Photometry
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering Radiation

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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