Abstract

A novel concept for a digital optical position transducer is presented. This compact and rugged device is electrically passive and requires only a dual-fiber optical link. Wavelength division of a broad-spectrum semiconductor light source is employed to multiplex the channels of a 10-bit digital position encoder. A preliminary design was evaluated and found to have a 10-dB on–off contrast ratio and a 12-dB insertion loss.

© 1986 Optical Society of America

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References

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  1. R. O. Stanton, Proc. Soc. Photo-Opt. Instrum. Eng. 412, 122 (1983).
  2. K. Kobayashi, M. Seki, IEEE J. Quantum Electron. QE-16, 11 (1980).
    [CrossRef]
  3. B. D. Metcalf, J. F. Providakes, Appl. Opt. 21, 794 (1982).
    [CrossRef] [PubMed]
  4. R. Erdmann, C. H. Perry, C. Parmenter, Proc. Soc. Photo-Opt. Instrum. Eng. 417, 12 (1983).

1983 (2)

R. O. Stanton, Proc. Soc. Photo-Opt. Instrum. Eng. 412, 122 (1983).

R. Erdmann, C. H. Perry, C. Parmenter, Proc. Soc. Photo-Opt. Instrum. Eng. 417, 12 (1983).

1982 (1)

1980 (1)

K. Kobayashi, M. Seki, IEEE J. Quantum Electron. QE-16, 11 (1980).
[CrossRef]

Erdmann, R.

R. Erdmann, C. H. Perry, C. Parmenter, Proc. Soc. Photo-Opt. Instrum. Eng. 417, 12 (1983).

Kobayashi, K.

K. Kobayashi, M. Seki, IEEE J. Quantum Electron. QE-16, 11 (1980).
[CrossRef]

Metcalf, B. D.

Parmenter, C.

R. Erdmann, C. H. Perry, C. Parmenter, Proc. Soc. Photo-Opt. Instrum. Eng. 417, 12 (1983).

Perry, C. H.

R. Erdmann, C. H. Perry, C. Parmenter, Proc. Soc. Photo-Opt. Instrum. Eng. 417, 12 (1983).

Providakes, J. F.

Seki, M.

K. Kobayashi, M. Seki, IEEE J. Quantum Electron. QE-16, 11 (1980).
[CrossRef]

Stanton, R. O.

R. O. Stanton, Proc. Soc. Photo-Opt. Instrum. Eng. 412, 122 (1983).

Appl. Opt. (1)

IEEE J. Quantum Electron. (1)

K. Kobayashi, M. Seki, IEEE J. Quantum Electron. QE-16, 11 (1980).
[CrossRef]

Proc. Soc. Photo-Opt. Instrum. Eng. (2)

R. Erdmann, C. H. Perry, C. Parmenter, Proc. Soc. Photo-Opt. Instrum. Eng. 417, 12 (1983).

R. O. Stanton, Proc. Soc. Photo-Opt. Instrum. Eng. 412, 122 (1983).

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Figures (3)

Fig. 1
Fig. 1

Optical position encoder schematic showing micro-optic multiplexer (MUX).

Fig. 2
Fig. 2

LED source spectra and multiplexer spectral transmission.

Fig. 3
Fig. 3

Typical output spectrum of position encoder.

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