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A New Instrument for Continuous Measurement of Tissue Blood Flow by Light Beating Spectroscopy
Abstract
A new instrument for measurement of regional tissue blood flow based on the laser Doppler principle is reported. The theoretical background of light beating spectroscopy is discussed and a detection technique which makes possible the suppression of the adverse effects of laser-mode interference and wide-band beam amplitude noise is described. Instead of using a single square-law photodetector a differential detector technique is introduced that reduces common-mode noise to a negligible level, without influencing the blood flow related signal. The new instrument has proved to be highly stable and sensitive. Continuous recordings of tissue blood flow can be performed in the laboratory as well as at the bedside.
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Citations
Cited by
Laser Doppler perfusion imaging by dynamic light scattering
Wardell, K., Jakobsson, A., & Nilsson, G. E. (1993) · IEEE Transactions on Biomedical Engineering · doi:10.1109/10.222322 · Cited by 435
Self-citationFerrell, W. R., Ramsay, J. E., Brooks, N., Lockhart, J. C., Dickson, S., McNeece, G. M., Greer, I. A., & Sattar, N. (2002) · Journal of Vascular Research · doi:10.1159/000064515 · Cited by 76
Photoplethysmography: Part 1 Comparison with laser Doppler flowmetry
Lindberg, L. G., Tamura, T., & Öberg, P. Å. (1991) · Medical & Biological Engineering & Computing · doi:10.1007/bf02446294 · Cited by 46
Shibahara, N., Matsuda, H., Umeno, K., Shimada, Y., Itoh, T., & Terasawa, K. (1996) · Journal of the Autonomic Nervous System · doi:10.1016/s0165-1838(96)00065-3 · Cited by 28
Metadata
- Authors
- Nilsson, G. E., Tenland, T., & Oberg, P. A.
- Venue
- IEEE Transactions on Biomedical Engineering
- Published
- 1980-01
- Volume
- BME-27
- Issue
- 1
- Pages
- 12-19
- ISSN
- 0018-9294 (ISSN-L)
- OpenAlex
- W1985176577
- Cited by
- 591
- References
- 0
- FWCI
- 8.62
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: A New Instrument for Continuous Measurement of Tissue Blood Flow by Light Beating Spectroscopy. https://app.cochat.ai/papers/10.1109/tbme.1980.326686
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- Nilsson, G. E., Tenland, T., & Oberg, P. A. (1980). A New Instrument for Continuous Measurement of Tissue Blood Flow by Light Beating Spectroscopy. IEEE Transactions on Biomedical Engineering. https://doi.org/10.1109/tbme.1980.326686
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