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Concept for improved radiometric calibration of radiance sources at the CHB facility

Gege, Peter and Fries, Jochen and Haschberger, Peter and Lenhard, Karim and Schötz, Paul and Schwarz, Christian and Schwarzmaier, Thomas (2010) Concept for improved radiometric calibration of radiance sources at the CHB facility. In: CD-ROM, pp. 1-7. ESA Communications. Hyperspectral Workshop 2010, 17.-19. März 2010, Frascati, Italien. ISBN 978-92-9221-247-6. ISSN 1609-042X

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Abstract

The Calibation Home Base (CHB) is a facility for the calibration of airborne imaging spectrometers such as APEX, ROSIS and in the future ARES, and for field spectrometers. Absolute radiometric calibration in the spectral range of 350–2500 nm is currently based on an integrating sphere whose spectral radiance was calibrated by the German National Metrology Institute PTB. However, a single radiance source cannot meet the requirements of a multitude of sensors, hence CHB operates several sources. In order to enable consistent calibration at CHB, a transfer radiometer based system will be used in the future. Detectors are much more stable than lamps, hence a well-designed system based on accurate detectors can reach much higher absolute accuracy of radiometric calibration than a lamp based set-up. The concept of this system, its hardware components and the expected accuracies are presented.

Document Type:Conference or Workshop Item (Paper)
Title:Concept for improved radiometric calibration of radiance sources at the CHB facility
Authors:
AuthorsInstitution or Email of Authors
Gege, Peterpeter.gege@dlr.de
Fries, Jochenjochen.fries@dlr.de
Haschberger, Peterpeter.haschberger@dlr.de
Lenhard, Karimkarim.lenhard@dlr.de
Schötz, Paulpaul.schoetz@dlr.de
Schwarz, Christianchristian.schwarz@dlr.de
Schwarzmaier, Thomasthomas.schwarzmaier@dlr.de
Date:May 2010
Journal or Publication Title:CD-ROM
Refereed publication:No
In ISI Web of Science:No
Page Range:pp. 1-7
Publisher:ESA Communications
Series Name:SP-683
ISSN:1609-042X
ISBN:978-92-9221-247-6
Status:Published
Keywords:Calibration, radiometry, transfer radiometer, CHB
Event Title:Hyperspectral Workshop 2010
Event Location:Frascati, Italien
Event Type:Workshop
Event Dates:17.-19. März 2010
Organizer:ESA
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Vorhaben Spektrometrische Verfahren und Konzepte der Fernerkundung (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Experimental Methods
Deposited By: Dr.rer.nat. Peter Gege
Deposited On:27 Sep 2010 09:42
Last Modified:18 Mar 2013 16:58

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