INSTRUMENT
The CAMECA IMS-1280 is the latest version of large double focusing secondary-ion mass-spectrometer from CAMECA Instruments, successor to IMS-1270. IMS-1280 has the same ion optics as IMS-1270, a double focusing mass spectrometer with a large radius magnetic sector (585 mm). The secondary ion optics have been optimized to work at full transmission up to mass resolving power of 6000. Simultaneous acquisition of multiple isotopes is enabled by the multi-collection system combining 10 Faraday cup/Electron Multiplier ion counting detectors. New automated control of ion optics was developed for IMS-1280 in order to achieve highly precise isotopic ratio analyses at the level of ~0.1‰ that is applied to various stable isotopic systems.
View pdf: IMS-1280 Schematic Diagram.
The installation of the IMS-1280, started in March 2005, was completed and we accepted the instrument on November 18, 2005. The IMS-1280 is fully operational and we are generating new data with various test analyses.Installation of the IMS-1280: Photos and Tests. (link)
BLUE LIGHT LED ILLUMINATIONTo improve the optical resolution of the sample viewing area a Blue Light LED has been adapted in place of the standard white light. The following photos show a comparison of white light to blue light illumination. The numbers specify the spacing between parallel lines in microns. Top: illumination by CAMECA white light system. Bottom: illumination using a blue LED at WiscSIMS. SEE DETAILED INFORMATION (link)
© The Department of Geoscience, University of Wisconsin-Madison
Page created: Jan. 6, 2005; updated August 25, 2009. For comments and corrections please email.
