Self-detecting light-emitting diode optical sensor
Publication
, Journal Article
Johnson, M; Jokerst, NM
Published in: Journal of Applied Physics
December 1, 1984
A light-emitting diode can be used simultaneously for illumination of a moving object and also for detection of its own reflected light. The result is a novel optical object proximity sensor of very small size and high resolution. Good performance depends on the design of a suitable low-noise electronic preamplifier, on the choice of light-emitting diode material and bias, and on efficient optical design using a mirror or thin-film retroreflector. This optimization is analyzed and implemented.
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Published In
Journal of Applied Physics
DOI
ISSN
0021-8979
Publication Date
December 1, 1984
Volume
56
Issue
3
Start / End Page
869 / 871
Related Subject Headings
- Applied Physics
- 51 Physical sciences
- 49 Mathematical sciences
- 40 Engineering
- 09 Engineering
- 02 Physical Sciences
- 01 Mathematical Sciences
Citation
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Johnson, M., & Jokerst, N. M. (1984). Self-detecting light-emitting diode optical sensor. Journal of Applied Physics, 56(3), 869–871. https://doi.org/10.1063/1.334026
Johnson, M., and N. M. Jokerst. “Self-detecting light-emitting diode optical sensor.” Journal of Applied Physics 56, no. 3 (December 1, 1984): 869–71. https://doi.org/10.1063/1.334026.
Johnson M, Jokerst NM. Self-detecting light-emitting diode optical sensor. Journal of Applied Physics. 1984 Dec 1;56(3):869–71.
Johnson, M., and N. M. Jokerst. “Self-detecting light-emitting diode optical sensor.” Journal of Applied Physics, vol. 56, no. 3, Dec. 1984, pp. 869–71. Scopus, doi:10.1063/1.334026.
Johnson M, Jokerst NM. Self-detecting light-emitting diode optical sensor. Journal of Applied Physics. 1984 Dec 1;56(3):869–871.
Published In
Journal of Applied Physics
DOI
ISSN
0021-8979
Publication Date
December 1, 1984
Volume
56
Issue
3
Start / End Page
869 / 871
Related Subject Headings
- Applied Physics
- 51 Physical sciences
- 49 Mathematical sciences
- 40 Engineering
- 09 Engineering
- 02 Physical Sciences
- 01 Mathematical Sciences