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Kvantovaya Elektronika, 2004, Volume 34, Number 12, Pages 1157–1162 (Mi qe2800)  

This article is cited in 2 scientific papers (total in 2 papers)

Laser applications and other topics in quantum electronics

Visualisation of human subcutaneous blood vessels by increasing coherence probing depth

S. G. Proskurin, R. K. Wang

Cranfield Health, Cranfield University, UK

Abstract: An improved Fourier-domain rapid-scanning optical delay in the reference arm of a Michelson interferometer is described which allows the use of a low-power superluminescent diode (down to 0.2 mW) and of a few wavelengths simultaneously. The method of raster scanning and averaging in the sample arm of the interferometer within a pixel provides an additional increase in the signal-to-noise ratio by 4–10 dB and, in combination with optical clearing, an increase in the coherence probing depth for the human skin in vivo up to 1.5–1.6 mm. As a result, subcutaneous blood vessels are visualised for the first time and a signal from the bloodstream is detected in the transitional regime between reflected and diffusively scattered photons. The images of subcutaneous blood vessels of the human palm and finger in vivo are presented. The possibility of construction of a low-coherence Doppler spectrograph with a variable coherence length is discussed.

Full text: PDF file (362 kB)

English version:
Quantum Electronics, 2004, 34:12, 1157–1162

Bibliographic databases:

PACS: 42.62.Be, 42.30.Wb
Received: 13.05.2004

Citation: S. G. Proskurin, R. K. Wang, “Visualisation of human subcutaneous blood vessels by increasing coherence probing depth”, Kvantovaya Elektronika, 34:12 (2004), 1157–1162 [Quantum Electron., 34:12 (2004), 1157–1162]

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  • http://mi.mathnet.ru/eng/qe2800
  • http://mi.mathnet.ru/eng/qe/v34/i12/p1157

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    Citing articles on Google Scholar: Russian citations, English citations
    Related articles on Google Scholar: Russian articles, English articles

    This publication is cited in the following articles:
    1. S. G. Proskurin, S. V. Frolov, Biomed Eng, 46:3 (2012), 96  crossref  elib  scopus
    2. Quantum Electron., 47:4 (2017), 347–354  mathnet  crossref  isi  elib
  • Квантовая электроника Quantum Electronics
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