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23 November 1999 Feasibility of remote Raman imaging using tunable filters
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Abstract
We are investigating the use of small, transportable, Raman systems for remote Raman measurements at intermediate ranges. Previous work focused on the use of an imaging spectrograph and a fiber-optic coupled probe for making single point measurements. More recently we have considered the use of tunable filters for remote Raman imaging. For this work, acousto-optical and liquid crystal tunable filters are being used both with, an in place of dispersive spectrometers and fixed filtering devices. In addition, we have improved the system by the use of a modified holographic fiber-optic Raman probe for light and image collection. In these experiments, a 100 micron collection optical fiber is replaced with a small diameter image guide for light collection and imaging. The feasibility of tunable filter technology for remote Raman imagin will be discussed along with the merits of image transfer devices using small- diameter image guides.
© (1999) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
J. Chance Carter, Dimitra N. Stratis, Shiv K. Sharma, and S. Michael Angel "Feasibility of remote Raman imaging using tunable filters", Proc. SPIE 3856, Internal Standardization and Calibration Architectures for Chemical Sensors, (23 November 1999); https://doi.org/10.1117/12.371308
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