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UV-Vis-NIR SIRCUS

Example Applications:

Characterization of the Robotic Lunar Observatory (ROLO)

US Geological Survey, Flagstaff, AZ (Principal investigator: Thomas Stone)

Traveling SIRCUS was used to map the Relative Spectral Responsivity (RSR) of several ROLO bands in-situ using the ROLO collimator and Prime Focus Source. Significant differences between modeled and measured RSRs were noted for several bands.

Photometric Lunar Model based on ROLO

5 year time series of nightly lunar measurements

Used to monitor degradation in satellite-sensor satellite bands, e.g., MODIS, SeaWiFS

Need to know ROLO filter channel relative spectral responsivities
 Photometric Lunar Model based on ROLO

SIRCUS laser fiber-coupled into Prime Focus Source on the Collimator

 Top: Collimator and observatory, Bottom: Prime focus source

Band 4 Band 14 Band 29
Representative band (4, 14, and 29) relative spectral response (RSR) functions of filter channels modeled (blue) and measured (red) as a function of wavelength with Traveling SIRCUS.
For technical information or questions, contact:

Steve Brown
Phone: 301-975-5167
Fax: 301-840-8551
Email: steven.brown@nist.gov

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Online: July 2002   -   Last updated: March 2007