Title

Stabilization Of Transmission Function: Theory For An Ultrathin Endoscope Of One Multimode Fiber

Authors

Authors

M. A. Bolshtyansky;B. Y. Zeldovich

Comments

Authors: contact us about adding a copy of your work at STARS@ucf.edu

Abbreviated Journal Title

Appl. Optics

Keywords

WAVE-GUIDES; Optics

Abstract

Propagation of a monochromatic light through a multimode fiber is considered in connection with the problem of image transmission. We discuss the variations of throughput scrambling, i.e., of the pixel-to-pixel Greens' function for transmission under the bends of the fiber axis. Two main statements are elaborated theoretically, which in principle allow the stabilization of the throughput scrambling. First, if the deformations are smooth enough, the modes are adiabatically modified without intermixing. Second, the variation delta phi(m,n) of the phase of a mode M-m,M-n can be expressed as a power series in a small parameter (rho/R)(2) where rho is the core radius and R-1 is the curvature of bending. A scheme for the compensation of those phase shifts is suggested based on prebending of the fiber with subsequent controllable adjustment of that prebending. (C) 1997 Optical Society of America.

Journal Title

Applied Optics

Volume

36

Issue/Number

16

Publication Date

1-1-1997

Document Type

Article

Language

English

First Page

3673

Last Page

3681

WOS Identifier

WOS:A1997XB71000011

ISSN

0003-6935

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