Abstract

The switch uses a V-grooved connecting device. The mechanism is suitable for a large switch, which is desirable for an optical switching system. A moving fiber is inserted into one of the radially arranged V grooves using the elastic bending force as the drive current. The insertion condition, which realizes stable connection and high durability, is discussed. Switch structure and experimental results are described. Insertion loss was 0.33 dB, and the variation in transmissivity was 3%.

© 1978 Optical Society of America

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References

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  1. P. G. Hale, R. Kompfner, Electron. Lett. 12, 388 (1976).
    [CrossRef]
  2. K. Kaede, I. Mito, R. Ishikawa, S. Matsushita, Paper Tech. Group, on M. W., IECE Jap. MW77-115 (1977).
  3. H. Ogiwara, H. Yamamoto, Appl. Opt. 17, 1182 (1978).
    [CrossRef] [PubMed]
  4. M. Tokuda, S. Seikai, K. Yoshida, N. Uchida, Electron. Lett. 13, 146 (1977).
    [CrossRef]

1978 (1)

1977 (1)

M. Tokuda, S. Seikai, K. Yoshida, N. Uchida, Electron. Lett. 13, 146 (1977).
[CrossRef]

1976 (1)

P. G. Hale, R. Kompfner, Electron. Lett. 12, 388 (1976).
[CrossRef]

Hale, P. G.

P. G. Hale, R. Kompfner, Electron. Lett. 12, 388 (1976).
[CrossRef]

Ishikawa, R.

K. Kaede, I. Mito, R. Ishikawa, S. Matsushita, Paper Tech. Group, on M. W., IECE Jap. MW77-115 (1977).

Kaede, K.

K. Kaede, I. Mito, R. Ishikawa, S. Matsushita, Paper Tech. Group, on M. W., IECE Jap. MW77-115 (1977).

Kompfner, R.

P. G. Hale, R. Kompfner, Electron. Lett. 12, 388 (1976).
[CrossRef]

Matsushita, S.

K. Kaede, I. Mito, R. Ishikawa, S. Matsushita, Paper Tech. Group, on M. W., IECE Jap. MW77-115 (1977).

Mito, I.

K. Kaede, I. Mito, R. Ishikawa, S. Matsushita, Paper Tech. Group, on M. W., IECE Jap. MW77-115 (1977).

Ogiwara, H.

Seikai, S.

M. Tokuda, S. Seikai, K. Yoshida, N. Uchida, Electron. Lett. 13, 146 (1977).
[CrossRef]

Tokuda, M.

M. Tokuda, S. Seikai, K. Yoshida, N. Uchida, Electron. Lett. 13, 146 (1977).
[CrossRef]

Uchida, N.

M. Tokuda, S. Seikai, K. Yoshida, N. Uchida, Electron. Lett. 13, 146 (1977).
[CrossRef]

Yamamoto, H.

Yoshida, K.

M. Tokuda, S. Seikai, K. Yoshida, N. Uchida, Electron. Lett. 13, 146 (1977).
[CrossRef]

Appl. Opt. (1)

Electron. Lett. (2)

M. Tokuda, S. Seikai, K. Yoshida, N. Uchida, Electron. Lett. 13, 146 (1977).
[CrossRef]

P. G. Hale, R. Kompfner, Electron. Lett. 12, 388 (1976).
[CrossRef]

Other (1)

K. Kaede, I. Mito, R. Ishikawa, S. Matsushita, Paper Tech. Group, on M. W., IECE Jap. MW77-115 (1977).

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Figures (12)

Fig. 1
Fig. 1

Connecting mechanism used for the MFS.

Fig. 2
Fig. 2

Coordinates for fiber insertion shape analysis.

Fig. 3
Fig. 3

Relation between minimum radius of curvature rmin and insertion angle θ, for constant pressing forces of 0.63, 1.25, 2.5, and 5 × 10−2 N (calculated).

Fig. 4
Fig. 4

Connecting stability vs fiber pressing force.

Fig. 5
Fig. 5

Mode scrambler used in the measurement.

Fig. 6
Fig. 6

The 1 × 9 MFS.

Fig. 7
Fig. 7

Construction of the 1 × 9 MFS without a driving mechanism.

Fig. 8
Fig. 8

Mechanism for adjusting the gap between fiber ends.

Fig. 9
Fig. 9

Experimental measurement system.

Fig. 10
Fig. 10

Average insertion losses and variation coefficients for transmissivity.

Fig. 11
Fig. 11

Fluctuation characteristics for insertion losses.

Fig. 12
Fig. 12

V-shape groove containing a fiber end.

Equations (4)

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

1 / r = M x / ( E I z ) ,
M x = R ( x 1 x ) cos θ + R ( y 1 y ) sin θ ,
1 / r = d 2 y d x 2 [ 1 + ( d y d x ) 2 ] 3 / 2 .
E I z d 2 y d x 2 [ 1 + ( d y d x ) 2 ] 3 / 2 = R ( x 1 x ) cos θ + R ( y 1 y ) sin θ .

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