Argus IR Spectrometers

Argus 2000 is an affordable miniature, infrared spectrometer with integrated optics for remote sensing applications, including environment monitoring and process control. The spectrometer operates in the near infrared band 1000 nm to 1700 nm (standard range), (or up to 2200 nm in the extended range version). The device uses an InGaAs detector array of approximately 100 illuminated elements that is actively cooled. Flown in space, the ruggedized spectrometer units have a mass of less than 220g. Our comprehensive user manual describes everything you need to know to integrate an Argus with your platform. Take advantage of our new pricing to purchase heritage space technology today.

The award winning device includes a microcomputer that controls the instrument’s components and communicates data using a simple serial link and protocol. Available off-the-shelf the instrument comes equipped with standard enhanced aluminum optics or high-performance gold optics. Read the instrument’s technical specifications or contact Thoth to order. Thoth’s experienced personnel will be pleased to assist in quickly obtaining all necessary Canadian export licenses.


Argus 2000 Spectrometer Kit, Extended Range

Price: $60,400

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Argus 2000 Spectrometer Kit, Lab Grade

Price: $30,750

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Argus 2000 Spectrometer Kit, Space Grade

Price: $49,500

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Argus 2000 Spectrometer Kit, UAV Grade

Price: $45,800

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Greenhouse-Gas Monitoring Technology

Thoth Technology has developed microsatellite technology to measure greenhouse gases from space in the surface-troposphere region. The Argus IR spectrometer identifies sources and sinks of atmospheric pollution, improving our understanding of global climate science.

The first flight demonstration of Argus technology was in April 2008 aboard the CanX-2 microsatellite, winning CASI’s Alouette Award; the instrument is currently operational. Argus spectrometers are available in a range of qualification levels from laboratory to space grade.

Here is some of the spectral data the first instrument has gathered. These spectra were acquired over Ontario, Canada, on December 12, 2008. At long wavelengths, carbon dioxide exhibits a characteristic absorption fingerprint that can be seen in the spectra on the right hand side. Computer analysis of the Carbon Dioxide feature at 1.6 microns using GENSPECT provides accurate estimates of greenhouse gas concentrations on a one-kilometer grid. Calibration and in-orbit performance of Argus 1000 is published in the Journal of Applied Remote Sensing, 2010.

Figure 1: Raw counts from Argus 1000 spectrometer for four successive images of 1.25 kilometer surface tiles. Variation in counts between spectra reflects different cloud contamination. Carbon dioxide absorption features are visible at 1.6 microns. Strong water vapor absorption is evident at 1.4 microns.