Infrared radiometry of thermally insulated skin using infrared fiber

Aner Lev; Boris Khanokh; Meir Nitzan

doi:10.1117/1.600918

1 February 1996 Infrared radiometry of thermally insulated skin using infrared fiber

Aner Lev, Boris Khanokh, Meir Nitzan

Optical Engineering, Vol. 35, Issue 2, (February 1996). https://doi.org/10.1117/1.600918

The steady-state temperature of uncovered skin depends, besides other factors, on skin blood flow, but the correlation between the two parameters is low. The steady-state temperature of thermally insulated skin is less affected by the environment and the temperature gradients underneath and is therefore expected to better reflect skin blood flow. In the present study, comparative measurements of steady-state temperature were performed on uncovered skin and on partially thermally insulated skin. The device for the thermal insulation was constructed of a Teflon capsule with an infrared fiber, which conveyed a portion of the infrared radiation emitted from the skin into an infrared radiometer. Temperature was recorded on the hand and forearm, at heart level and above it, for uncovered and thermally insulated skin. The measurements showed that the temperature of thermally insulated skin better reflects the temporal and spatial changes of skin blood flow than uncovered skin temperature. The noncontact temperature measurement of partially thermally insulated skin provides, therefore, a method for qualitative assessment of changes in skin blood flow.

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Aner Lev, Boris Khanokh, and Meir Nitzan "Infrared radiometry of thermally insulated skin using infrared fiber," Optical Engineering 35(2), (1 February 1996). https://doi.org/10.1117/1.600918

Published: 1 February 1996

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