Thermal emission imaging system (THEMIS) for Mars 2001 using an uncooled microbolometer array

Steven H. Silverman, Karl R. Blasius, Stephen J. Ferry, Philip Christensen

Research output: Chapter in Book/Report/Conference proceedingChapter

7 Citations (Scopus)

Abstract

THEMIS is a 13kg 14W pushbroom imager being built for NASA's Mars 2001 orbiter to acquire 9 IR bands (6.5-15.5 μm) of 100m resolution images to map mineralogy and search for hydrothermal activity. A 20m resolution multispectral visible sensor, from Malin Space Science Systems, is also integrated into THEMIS. THEMIS data will support selection of landing sites for sample collection and return missions. Optics and detector designs are keys to meeting the low-cost mission requirements. THEMIS' telescope is a compact 3-mirror f/1.6 diamond-turned design. Spectral selection is via stripe filters fixed above the focal planes. The IR focal plane incorporates a 2D array of Si microbolometer detectors, based on a Honeywell patent and further developed by Raytheon. These uncooled detectors relieve the instrument design from accommodating the bulk/weight/power of an active/passive cryocooler. The detector high responsivity range is being extended down from 8 to 6 μm to image carbonate absorption bands.

Original languageEnglish (US)
Title of host publicationIEEE Aerospace Applications Conference Proceedings
Place of PublicationLos Alamitos, CA, United States
PublisherIEEE
Pages377-389
Number of pages13
Volume3
StatePublished - 1999
Externally publishedYes
EventProceedings of the 1999 IEEE Aerospace Conference - Snowmass at Aspen, CO, USA
Duration: Mar 6 1999Mar 13 1999

Other

OtherProceedings of the 1999 IEEE Aerospace Conference
CitySnowmass at Aspen, CO, USA
Period3/6/993/13/99

Fingerprint

Imaging systems
Detectors
Systems science
Mineralogy
Image resolution
Landing
Image sensors
Telescopes
NASA
Absorption spectra
Carbonates
Optics
Diamonds
Mirrors
Hot Temperature
Sensors
Costs

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Silverman, S. H., Blasius, K. R., Ferry, S. J., & Christensen, P. (1999). Thermal emission imaging system (THEMIS) for Mars 2001 using an uncooled microbolometer array. In IEEE Aerospace Applications Conference Proceedings (Vol. 3, pp. 377-389). Los Alamitos, CA, United States: IEEE.

Thermal emission imaging system (THEMIS) for Mars 2001 using an uncooled microbolometer array. / Silverman, Steven H.; Blasius, Karl R.; Ferry, Stephen J.; Christensen, Philip.

IEEE Aerospace Applications Conference Proceedings. Vol. 3 Los Alamitos, CA, United States : IEEE, 1999. p. 377-389.

Research output: Chapter in Book/Report/Conference proceedingChapter

Silverman, SH, Blasius, KR, Ferry, SJ & Christensen, P 1999, Thermal emission imaging system (THEMIS) for Mars 2001 using an uncooled microbolometer array. in IEEE Aerospace Applications Conference Proceedings. vol. 3, IEEE, Los Alamitos, CA, United States, pp. 377-389, Proceedings of the 1999 IEEE Aerospace Conference, Snowmass at Aspen, CO, USA, 3/6/99.
Silverman SH, Blasius KR, Ferry SJ, Christensen P. Thermal emission imaging system (THEMIS) for Mars 2001 using an uncooled microbolometer array. In IEEE Aerospace Applications Conference Proceedings. Vol. 3. Los Alamitos, CA, United States: IEEE. 1999. p. 377-389
Silverman, Steven H. ; Blasius, Karl R. ; Ferry, Stephen J. ; Christensen, Philip. / Thermal emission imaging system (THEMIS) for Mars 2001 using an uncooled microbolometer array. IEEE Aerospace Applications Conference Proceedings. Vol. 3 Los Alamitos, CA, United States : IEEE, 1999. pp. 377-389
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