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Reflecting telescopes for an orbiting high-resolution camera for Earth observation

  Articoli su Riviste JCR/ISI  (anno 2006)

Autori:  Simonetti F., Romoli A., Mazzinghi P., Bratina V

Affiliazione Autori:  Istituto Nazionale di Ottica Applicata, Largo E. Fermi 6, 50125 Firenze, Italy; Galileo Avionica Spa, Via Einstein 35, 50013 Campi Besenzio (FI), Italy

Riassunto:  This feasibility study compares several optical configurations for an orbiting high resolution (< 1m) panchromatic pushbroom camera feasibility study. This is an optical subsystem of the CIA (Camera Iperspettrale Avanzata; Advanced Hyperspectral Camera) project, promoted by the Italian Space Agency (ASI), aimed to high resolution imaging for applications in Earth observation, mainly for environmental control, geology (especially volcanoes) and coastal and inland waters monitoring. The study includes optics and radiometric analyses, used to select a fan of candidate optical configurations, including all the solutions suitable for the specific task, namely: Ritchey-Chretien with and without relay, Korsch and Schmidt–Cassegrain on axis, off axis and with relay. The result of a “trade-off” analysis, considering not only optical performances but also other aspects as costs, volume, complexity and technological criticality, shows that the Korsch configuration is currently the best compromise and it is potentially able to satisfy all project requirements. However, the other configurations have advantages that may be considered in the whole-mission assessment.

Rivista/Giornale:  OPTICAL ENGINEERING
Volume n.:  45 (5)      Pagine da: 053001-1  a: 053001-8
DOI: 10.1117/1.2202920

*Impact Factor della Rivista: (2006) 0.897   *Citazioni: 4
data tratti da "WEB OF SCIENCE" (marchio registrato di Thomson Reuters) ed aggiornati a:  21/07/2019

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