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- Title
Eigenmode Geometry in a High-Birefringence Optical Fiber.
- Authors
Alekseev, A. N.; Volyar, A. V.; Fadeeva, T. A.
- Abstract
A new method for determining the weights of eigenmodes in a weakly multimode optical fiber with strong linear anisotropy is developed using the geometric approach. The proposed method is based on the measurement of geometric parameters of the lines of equal intensity (isolines) in the vicinity of a zero point of the field intensity distribution pattern at the output face of the fiber. Using this method, the weights of eigenmodes in a fiber have been determined upon computer processing of the experimental images of intensity distributions observed upon displacement of a probing laser beam relative to the center of the input face. The results are compared to theoretically calculated weights of the eigenmodes. © 2005 Pleiades Publishing, Inc.
- Subjects
FIBER optics; OPTICAL fibers; OPTICAL waveguides; CRYSTALLOGRAPHY; LASER beams; ANISOTROPY
- Publication
Technical Physics Letters, 2005, Vol 31, Issue 5, p374
- ISSN
1063-7850
- Publication type
Article
- DOI
10.1134/1.1931772