Two designs incorporating embedded fiber Fabry–Perot interferometers as strain gauges were used for monitoring gas pressure in internal combustion engines. Measurements on a Diesel engine, a gasoline-fueled engine, and a natural-gas engine are reported.
© 1994 Optical Society of America
Original Manuscript: January 25, 1993
Revised Manuscript: June 7, 1993
Published: March 1, 1994
R. A. Atkins, J. H. Gardner, W. N. Gibler, C. E. Lee, M. D. Oakland, M. O. Spears, V. P. Swenson, H. F. Taylor, J. J. McCoy, and G. Beshouri, "Fiber-optic pressure sensors for internal combustion engines," Appl. Opt. 33, 1315-1320 (1994)