Demonstration of remote fiber optic spectroscopy using mid-IR sensors for in-situ monitoring of solid rocket propellent cure and aging

Paul J. Glatkowski; Mark A. Druy; William A. Stevenson

doi:10.1117/12.166843

7 February 1994 Demonstration of remote fiber optic spectroscopy using mid-IR sensors for in-situ monitoring of solid rocket propellent cure and aging

Paul J. Glatkowski, Mark A. Druy, William A. Stevenson

Author Affiliations +

Proceedings Volume 2072, Fiber Optic Physical Sensors in Manufacturing and Transportation; (1994) https://doi.org/10.1117/12.166843
Event: Optical Tools for Manufacturing and Advanced Automation, 1993, Boston, MA, United States

Abstract

A study of real-time in situ monitoring of the chemical states of urethane cross-linked solid rocket propellant during cure and aging using an embedded fiber optic sensor and a Fourier transform IR spectrometer is presented. The aging study focused on the monitoring and identification of chemical species that migrate across the propellant-insulation bondline. In this work, a short length of tapered chalcogenide fiber was used as the sensor. The segment of fiber containing the taper sensor was mounted in a temperature controlled aluminum boat to which either inert or live propellant samples were added. The spectral data collected over a six month period indicated that the equipment and sensors were suitable for monitoring the degree of curve and contaminant migration in solid rocket propellant.

Citation Download Citation

Paul J. Glatkowski, Mark A. Druy, and William A. Stevenson "Demonstration of remote fiber optic spectroscopy using mid-IR sensors for in-situ monitoring of solid rocket propellent cure and aging", Proc. SPIE 2072, Fiber Optic Physical Sensors in Manufacturing and Transportation, (7 February 1994); https://doi.org/10.1117/12.166843

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