Abstract

We describe a novel accelerometer in which the sensing element is a weighted diaphragm. The displacement of the diaphragm produced by acceleration is measured using a miniature hemispherical air-spaced Fabry–Perot interferometer, of which one mirror is mounted on the diaphragm. The interferometer is illuminated by a diode laser and addressed through a monomode optical fiber.

© 1989 Optical Society of America

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References

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  1. D. A. Jackson, J. D. C. Jones, Opt. Acta 33, 1469 (1986).
    [CrossRef]
  2. A. B. Tveten, A. Dandridge, C. M. Davis, T. G. Giallorenzi, Electron. Lett. 16, 855 (1980).
    [CrossRef]
  3. A. D. Kersey, D. A. Jackson, M. Corke, Electron. Lett. 18, 559 (1982).
    [CrossRef]
  4. F. Bucholtz, A. D. Kersey, A. Dandridge, Electron. Lett. 22, 451 (1986).
    [CrossRef]
  5. A. S. Gerges, T. P. Newson, F. Farahi, J. D. C. Jones, D. A. Jackson, Opt. Commun. 68, 157 (1988).
    [CrossRef]
  6. S. Timoshenko, Theory of Plates and Shells (McGraw-Hill, New York, 1940), Chap. 3.
  7. M. DiGiovanni, Flat and Corrugated Diaphragm Design Handbook (Dekker, New York, 1982), Chaps. 12 and 13.

1988 (1)

A. S. Gerges, T. P. Newson, F. Farahi, J. D. C. Jones, D. A. Jackson, Opt. Commun. 68, 157 (1988).
[CrossRef]

1986 (2)

D. A. Jackson, J. D. C. Jones, Opt. Acta 33, 1469 (1986).
[CrossRef]

F. Bucholtz, A. D. Kersey, A. Dandridge, Electron. Lett. 22, 451 (1986).
[CrossRef]

1982 (1)

A. D. Kersey, D. A. Jackson, M. Corke, Electron. Lett. 18, 559 (1982).
[CrossRef]

1980 (1)

A. B. Tveten, A. Dandridge, C. M. Davis, T. G. Giallorenzi, Electron. Lett. 16, 855 (1980).
[CrossRef]

Bucholtz, F.

F. Bucholtz, A. D. Kersey, A. Dandridge, Electron. Lett. 22, 451 (1986).
[CrossRef]

Corke, M.

A. D. Kersey, D. A. Jackson, M. Corke, Electron. Lett. 18, 559 (1982).
[CrossRef]

Dandridge, A.

F. Bucholtz, A. D. Kersey, A. Dandridge, Electron. Lett. 22, 451 (1986).
[CrossRef]

A. B. Tveten, A. Dandridge, C. M. Davis, T. G. Giallorenzi, Electron. Lett. 16, 855 (1980).
[CrossRef]

Davis, C. M.

A. B. Tveten, A. Dandridge, C. M. Davis, T. G. Giallorenzi, Electron. Lett. 16, 855 (1980).
[CrossRef]

DiGiovanni, M.

M. DiGiovanni, Flat and Corrugated Diaphragm Design Handbook (Dekker, New York, 1982), Chaps. 12 and 13.

Farahi, F.

A. S. Gerges, T. P. Newson, F. Farahi, J. D. C. Jones, D. A. Jackson, Opt. Commun. 68, 157 (1988).
[CrossRef]

Gerges, A. S.

A. S. Gerges, T. P. Newson, F. Farahi, J. D. C. Jones, D. A. Jackson, Opt. Commun. 68, 157 (1988).
[CrossRef]

Giallorenzi, T. G.

A. B. Tveten, A. Dandridge, C. M. Davis, T. G. Giallorenzi, Electron. Lett. 16, 855 (1980).
[CrossRef]

Jackson, D. A.

A. S. Gerges, T. P. Newson, F. Farahi, J. D. C. Jones, D. A. Jackson, Opt. Commun. 68, 157 (1988).
[CrossRef]

D. A. Jackson, J. D. C. Jones, Opt. Acta 33, 1469 (1986).
[CrossRef]

A. D. Kersey, D. A. Jackson, M. Corke, Electron. Lett. 18, 559 (1982).
[CrossRef]

Jones, J. D. C.

A. S. Gerges, T. P. Newson, F. Farahi, J. D. C. Jones, D. A. Jackson, Opt. Commun. 68, 157 (1988).
[CrossRef]

D. A. Jackson, J. D. C. Jones, Opt. Acta 33, 1469 (1986).
[CrossRef]

Kersey, A. D.

F. Bucholtz, A. D. Kersey, A. Dandridge, Electron. Lett. 22, 451 (1986).
[CrossRef]

A. D. Kersey, D. A. Jackson, M. Corke, Electron. Lett. 18, 559 (1982).
[CrossRef]

Newson, T. P.

A. S. Gerges, T. P. Newson, F. Farahi, J. D. C. Jones, D. A. Jackson, Opt. Commun. 68, 157 (1988).
[CrossRef]

Timoshenko, S.

S. Timoshenko, Theory of Plates and Shells (McGraw-Hill, New York, 1940), Chap. 3.

Tveten, A. B.

A. B. Tveten, A. Dandridge, C. M. Davis, T. G. Giallorenzi, Electron. Lett. 16, 855 (1980).
[CrossRef]

Electron. Lett. (3)

A. B. Tveten, A. Dandridge, C. M. Davis, T. G. Giallorenzi, Electron. Lett. 16, 855 (1980).
[CrossRef]

A. D. Kersey, D. A. Jackson, M. Corke, Electron. Lett. 18, 559 (1982).
[CrossRef]

F. Bucholtz, A. D. Kersey, A. Dandridge, Electron. Lett. 22, 451 (1986).
[CrossRef]

Opt. Acta (1)

D. A. Jackson, J. D. C. Jones, Opt. Acta 33, 1469 (1986).
[CrossRef]

Opt. Commun. (1)

A. S. Gerges, T. P. Newson, F. Farahi, J. D. C. Jones, D. A. Jackson, Opt. Commun. 68, 157 (1988).
[CrossRef]

Other (2)

S. Timoshenko, Theory of Plates and Shells (McGraw-Hill, New York, 1940), Chap. 3.

M. DiGiovanni, Flat and Corrugated Diaphragm Design Handbook (Dekker, New York, 1982), Chaps. 12 and 13.

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Figures (4)

Fig. 1
Fig. 1

Construction of the optical accelerometer.

Fig. 2
Fig. 2

Optical arrangement used to characterize the accelerometer. LD, Laser diode; DC’s, directional couplers; PD’s, photodiodes. The optical elements inside the dashed box and I2 are used only to characterize the system; in normal use they are not required.

Fig. 3
Fig. 3

System resolution R ( in μ g / Hz ) as a function of frequency f at M = 0.91 g (circles) and M = 0.59 g (asterisks).

Fig. 4
Fig. 4

Output waveforms of interferometers I1 (upper curve) and I2 (lower curve).

Equations (5)

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Y 0 = A s F a 2 16 π D .
D = E h 3 12 ( 1 ν 2 ) ,
A s = 4 ( c 2 1 4 c 2 ln 2 c c 2 1 ) ,
| Δ ϕ | = 4 π λ Y 0 = r λ π f 0 2 ,
r min = λ π f 0 2 Δ ϕ min .

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