Periodic phase changes in the 10−6-rad region have been induced and detected in a single-mode all-fiber Mach–Zehnder interferometer by stretching the fiber with a piezoelectric cylinder driven at frequencies between 40 and 104 Hz.
© 1980 Optical Society of America
Original Manuscript: January 14, 1980
Published: April 1, 1980
D. A. Jackson, A. Dandridge, and S. K. Sheem, "Measurement of small phase shifts using a single-mode optical-fiber interferometer," Opt. Lett. 5, 139-141 (1980)