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Applied Spectroscopy

Applied Spectroscopy

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  • Vol. 61, Iss. 9 — Sep. 1, 2007
  • pp: 909–915

Prism-Based Infrared Spectrographs Using Modern-Day Detectors

Zachary Keltner, Katherine Kayima, Adam Lanzarotta, Luis Lavalle, Marina Canepa, Anthony E. Dowrey, Gloria M. Story, Curtis Marcott, and André J. Sommer

Applied Spectroscopy, Vol. 61, Issue 9, pp. 909-915 (2007)


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Abstract

A comparison of prism-based spectrographs to grating-based spectrographs is made when each of the systems is coupled to a modern-day liquid-nitrogen-cooled photovoltaic array detector. A comparison of the systems is also made using a room-temperature microbolometer array detector. Finally, infrared microspectroscopy of samples whose size is ~10 micrometers will be demonstrated using a prism spectrograph outfitted with both types of detectors. The results of the study show that prism-based spectrographs offer an economical alternative to grating-based systems when spectral coverage is more critical than spectral resolution. The results also demonstrate that spectra with good signal-to-noise ratios can be collected on any of the systems with a total integration time of 10 seconds or less.

Citation
Zachary Keltner, Katherine Kayima, Adam Lanzarotta, Luis Lavalle, Marina Canepa, Anthony E. Dowrey, Gloria M. Story, Curtis Marcott, and André J. Sommer, "Prism-Based Infrared Spectrographs Using Modern-Day Detectors," Appl. Spectrosc. 61, 909-915 (2007)
http://www.opticsinfobase.org/as/abstract.cfm?URI=as-61-9-909


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