Multi-spectral laser sensor based on code-division-multiplexing techniques

Multi-spectral laser sensor based on code-division-multiplexing techniques

A multi-spectral laser sensor using the orthogonal code-division multiplexing technique is applied to measure the optical properties of biological-like turbid media. Measurement of the total attenuation coefficient of Intralipid was obtained for wavelength from 0.65 to 1.55 /spl mu/m, which is the l...

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Bibliographische Detailangaben
Hauptverfasser: Wang, Y., Morbi, Z., Ho, D.B., Le, H.Q., Guo, B.-J., Pei, S.S.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Attenuation measurement
Biological information theory
Biological materials
Biomedical optical imaging
Biosensors
Code division multiplexing
Optical attenuators
Optical sensors
Pollution measurement
Wavelength measurement
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Beschreibung
Zusammenfassung:A multi-spectral laser sensor using the orthogonal code-division multiplexing technique is applied to measure the optical properties of biological-like turbid media. Measurement of the total attenuation coefficient of Intralipid was obtained for wavelength from 0.65 to 1.55 /spl mu/m, which is the longest near-IR wavelength measured for this material, giving an empirical fit of /spl lambda//sup -2.43/. The advantage of CDM techniques against interference was demonstrated by simulating the detection of a contaminant is cow milk under rapid agitation.
ISSN:1094-687X
1558-4615
DOI:10.1109/IEMBS.2002.1053271