Abstract

A new fiber-optic system with which vibrations in a micromachined mechanical structure can be optically maintained and optically monitored is described. This system has achieved a signal-to-noise ratio of better than 19 dB with incoherent detection and an optical input of only 13 μW energizing the vibrations. Initial results suggest that this system will be of considerable value in advancing the study and development of optical resonator sensor systems.

© 1987 Optical Society of America

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References

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  1. S. Venkatesh, B. Culshaw, Proc. Soc. Photo-Opt. Instrum. Eng. 566, 110 (1985).
  2. E. Dieulessaint, D. Royer, C. Bonnefoy, in Proceedings of the 1981 Ultrasonics Symposium (Institute of Electrical and Electronics Engineers, New York, 1981), pp. 802–805.
    [CrossRef]
  3. E. Dieulessaint, D. Royer, H. Rakouth, Electron. Lett. 18, 382 (1982).
    [CrossRef]
  4. K. E. Petersen, Proc. IEEE 70, 420 (1982).
    [CrossRef]

1985 (1)

S. Venkatesh, B. Culshaw, Proc. Soc. Photo-Opt. Instrum. Eng. 566, 110 (1985).

1982 (2)

E. Dieulessaint, D. Royer, H. Rakouth, Electron. Lett. 18, 382 (1982).
[CrossRef]

K. E. Petersen, Proc. IEEE 70, 420 (1982).
[CrossRef]

Bonnefoy, C.

E. Dieulessaint, D. Royer, C. Bonnefoy, in Proceedings of the 1981 Ultrasonics Symposium (Institute of Electrical and Electronics Engineers, New York, 1981), pp. 802–805.
[CrossRef]

Culshaw, B.

S. Venkatesh, B. Culshaw, Proc. Soc. Photo-Opt. Instrum. Eng. 566, 110 (1985).

Dieulessaint, E.

E. Dieulessaint, D. Royer, H. Rakouth, Electron. Lett. 18, 382 (1982).
[CrossRef]

E. Dieulessaint, D. Royer, C. Bonnefoy, in Proceedings of the 1981 Ultrasonics Symposium (Institute of Electrical and Electronics Engineers, New York, 1981), pp. 802–805.
[CrossRef]

Petersen, K. E.

K. E. Petersen, Proc. IEEE 70, 420 (1982).
[CrossRef]

Rakouth, H.

E. Dieulessaint, D. Royer, H. Rakouth, Electron. Lett. 18, 382 (1982).
[CrossRef]

Royer, D.

E. Dieulessaint, D. Royer, H. Rakouth, Electron. Lett. 18, 382 (1982).
[CrossRef]

E. Dieulessaint, D. Royer, C. Bonnefoy, in Proceedings of the 1981 Ultrasonics Symposium (Institute of Electrical and Electronics Engineers, New York, 1981), pp. 802–805.
[CrossRef]

Venkatesh, S.

S. Venkatesh, B. Culshaw, Proc. Soc. Photo-Opt. Instrum. Eng. 566, 110 (1985).

Electron. Lett. (1)

E. Dieulessaint, D. Royer, H. Rakouth, Electron. Lett. 18, 382 (1982).
[CrossRef]

Proc. IEEE (1)

K. E. Petersen, Proc. IEEE 70, 420 (1982).
[CrossRef]

Proc. Soc. Photo-Opt. Instrum. Eng. (1)

S. Venkatesh, B. Culshaw, Proc. Soc. Photo-Opt. Instrum. Eng. 566, 110 (1985).

Other (1)

E. Dieulessaint, D. Royer, C. Bonnefoy, in Proceedings of the 1981 Ultrasonics Symposium (Institute of Electrical and Electronics Engineers, New York, 1981), pp. 802–805.
[CrossRef]

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Figures (4)

Fig. 1
Fig. 1

Scanning electron micrographs of two microresonators. Magnification, 500×.

Fig. 2
Fig. 2

Schematic diagram of fiber-optic system employing coherent detection. BC, Bragg cell; C, single-mode fused-fiber coupler; F, wavelength-selective filter-blocking activating beam; M, signal generator modulation; P, single-mode fiber-polarization controller; SA, spectrum analyzer.

Fig. 3
Fig. 3

Schematic diagram of improved fiber-optic system. Symbols key same as for Fig. 2.

Fig. 4
Fig. 4

Detected spectrum from a microresonator subjected to He–Ne light, intensity modulated at 74 kHz.

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