Abstract

Twisting and bending characteristics of low-multimode LP21 mode propagation in optical fibers is presented for the first time. Theoretical fiber mode modeling, combining geometrical rotation with opto-elastic effects, demonstrates that the propagation of the LP21 mode is bending-effect-immune. Experimental testing verifies that the LP21 mode specklegram rotates 0.9112 of the fiber twist angle in a fused silica fiber, independent of any fiber bending. This characteristic allows for the LP21 mode to be highly applicable in fiber specklegram sensors.

© 2011 Optical Society of America

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2011 (1)

J. A. Gómeza, H. Lorduy, and Á. Salazara, Opt. Lasers Eng. 49, 473 (2011).
[CrossRef]

2009 (1)

H. J. El-Khozondarab, M. S. Müllera, T. C. Bucka, R. J. El-Khozondarcd, and A. W. Koch, Fiber Integr. Opt. 29, 1 (2009).
[CrossRef]

1999 (2)

L. R. Jaroszewicz, K. Cyran, S. J. Kiosowjcza, and A. Mrozek, SPIE Rev. 3744, 386 (1999).
[CrossRef]

S. Yin, P. Purwosumarto, and F. T. S. Yu, Opt. Commun. 170, 15 (1999).
[CrossRef]

1995 (1)

1991 (1)

1980 (1)

1979 (1)

1968 (1)

Borrelli, N. F.

Bucka, T. C.

H. J. El-Khozondarab, M. S. Müllera, T. C. Bucka, R. J. El-Khozondarcd, and A. W. Koch, Fiber Integr. Opt. 29, 1 (2009).
[CrossRef]

Cyran, K.

L. R. Jaroszewicz, K. Cyran, S. J. Kiosowjcza, and A. Mrozek, SPIE Rev. 3744, 386 (1999).
[CrossRef]

El-Khozondarab, H. J.

H. J. El-Khozondarab, M. S. Müllera, T. C. Bucka, R. J. El-Khozondarcd, and A. W. Koch, Fiber Integr. Opt. 29, 1 (2009).
[CrossRef]

El-Khozondarcd, R. J.

H. J. El-Khozondarab, M. S. Müllera, T. C. Bucka, R. J. El-Khozondarcd, and A. W. Koch, Fiber Integr. Opt. 29, 1 (2009).
[CrossRef]

Gómeza, J. A.

J. A. Gómeza, H. Lorduy, and Á. Salazara, Opt. Lasers Eng. 49, 473 (2011).
[CrossRef]

Jaroszewicz, L. R.

L. R. Jaroszewicz, K. Cyran, S. J. Kiosowjcza, and A. Mrozek, SPIE Rev. 3744, 386 (1999).
[CrossRef]

Kiosowjcza, S. J.

L. R. Jaroszewicz, K. Cyran, S. J. Kiosowjcza, and A. Mrozek, SPIE Rev. 3744, 386 (1999).
[CrossRef]

Koch, A. W.

H. J. El-Khozondarab, M. S. Müllera, T. C. Bucka, R. J. El-Khozondarcd, and A. W. Koch, Fiber Integr. Opt. 29, 1 (2009).
[CrossRef]

Lorduy, H.

J. A. Gómeza, H. Lorduy, and Á. Salazara, Opt. Lasers Eng. 49, 473 (2011).
[CrossRef]

Marcuse, D.

D. Marcuse, Theory of Dielectric Optical Waveguide(Academic Press, 1974).

D. Marcuse, Light Transmission Optics2nd ed. (Van Nostrand Reinhold, 1982).

Miller, R. A.

Mrozek, A.

L. R. Jaroszewicz, K. Cyran, S. J. Kiosowjcza, and A. Mrozek, SPIE Rev. 3744, 386 (1999).
[CrossRef]

Müllera, M. S.

H. J. El-Khozondarab, M. S. Müllera, T. C. Bucka, R. J. El-Khozondarcd, and A. W. Koch, Fiber Integr. Opt. 29, 1 (2009).
[CrossRef]

Purwosumarto, P.

S. Yin, P. Purwosumarto, and F. T. S. Yu, Opt. Commun. 170, 15 (1999).
[CrossRef]

Ruffin, P. B.

Salazara, Á.

J. A. Gómeza, H. Lorduy, and Á. Salazara, Opt. Lasers Eng. 49, 473 (2011).
[CrossRef]

Shaklan, S.

Simon, A.

Smith, A. M.

Ulrich, R.

Yin, S.

S. Yin, P. Purwosumarto, and F. T. S. Yu, Opt. Commun. 170, 15 (1999).
[CrossRef]

F. T. S. Yu, J. Zhang, S. Yin, and P. B. Ruffin, Appl. Opt. 34, 3018 (1995).
[CrossRef] [PubMed]

Yu, F. T. S.

S. Yin, P. Purwosumarto, and F. T. S. Yu, Opt. Commun. 170, 15 (1999).
[CrossRef]

F. T. S. Yu, J. Zhang, S. Yin, and P. B. Ruffin, Appl. Opt. 34, 3018 (1995).
[CrossRef] [PubMed]

Zhang, J.

Appl. Opt. (5)

Fiber Integr. Opt. (1)

H. J. El-Khozondarab, M. S. Müllera, T. C. Bucka, R. J. El-Khozondarcd, and A. W. Koch, Fiber Integr. Opt. 29, 1 (2009).
[CrossRef]

Opt. Commun. (1)

S. Yin, P. Purwosumarto, and F. T. S. Yu, Opt. Commun. 170, 15 (1999).
[CrossRef]

Opt. Lasers Eng. (1)

J. A. Gómeza, H. Lorduy, and Á. Salazara, Opt. Lasers Eng. 49, 473 (2011).
[CrossRef]

SPIE Rev. (1)

L. R. Jaroszewicz, K. Cyran, S. J. Kiosowjcza, and A. Mrozek, SPIE Rev. 3744, 386 (1999).
[CrossRef]

Other (2)

D. Marcuse, Theory of Dielectric Optical Waveguide(Academic Press, 1974).

D. Marcuse, Light Transmission Optics2nd ed. (Van Nostrand Reinhold, 1982).

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Figures (4)

Fig. 1
Fig. 1

(a) Experimental setup for a LP 21 mode specklegram rotation measurement as a function of fiber twist angle. (b) Schematic of the mode selector. (c) Experimentally recorded specklegrams, rotating with the fiber twist angles ranging from 0 ° to 330 ° at a step of 30 ° .

Fig. 2
Fig. 2

Measured rotation of specklegram as a function of angle fiber twisted.

Fig. 3
Fig. 3

(a) Setup diagram for pure bending of fiber. (b) Experimentally obtained images on CCD when the bend radius R is 10 mm , 20 mm , 40 mm , 100 mm , 300 mm , , respectively.

Fig. 4
Fig. 4

(a) The middle of a straight fiber piece is twisted. (b) The resultant images when the twist angle α varied from 0 ° to 100 ° .

Equations (3)

Equations on this page are rendered with MathJax. Learn more.

K α β = ω ε 0 4 i P β D i , j = 1 3 ( E i α * Δ n i j 2 E j β ) d x d y ,
d c 1 / d z = K odd odd c 1 + K odd even c 2 , c 1 ( 0 ) = 1 , d c 2 / d z = K even odd c 1 + K even even c 2 , c 2 ( 0 ) = m .
K π π = ω ε 0 4 i P j D ( E y * π Δ n 2 2 E y π + E z * π Δ n 3 2 E z π ) d x d y ,

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