G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 21/45 (2006.01)
Patent
CA 2248723
In an analytic process using porous silicon, a substance is detected or its concentration in a fluid is determined, based on the change in optical properties of porous silicon as a function of the index of refraction of the substance or of the fluid containing the substance present in the pores of the porous silicon. An analytic device using porous silicon to detect a substance or determe the concentration of a substance in a fluid consists of a component which is at least partly made of porous silicon, the optical property of which is dependent on the index of refraction of the substance or of the fluid containing the substance, where a change in the optical property of porous silicon can be measured to indicate detection of the substance or to determine the concentration in the pores of the porous silicon.
Ce procédé d'analyse consiste, au moyen de silicium poreux, à détecter une substance ou à déterminer sa concentration dans un fluide sur la base des modifications des propriétés optiques du silicium poreux en fonction de l'indice de réfraction de la substance ou de celui du fluide contenant la substance présente dans les pores du silicium poreux. Un dispositif d'analyse permettant de détecter la substance ou de déterminer sa concentration dans un fluide au moyen de silicium poreux, comprend un élément constitué au moins en partie de silicium poreux et dont les propriétés optiques dépendent de l'indice de réfraction de la substance ou de celui du fluide contenant la substance, une modification des propriétés optiques du silicium poreux permettant d'indiquer la présence de la substance ou de déterminer sa concentration dans les pores du silicium poreux.
Arens-Fischer Rudiger
Berger Michael
Kruger Michael
Luth Hans
Thonissen Markus
Fetherstonhaugh & Co.
Forschungszentrum Julich Gmbh
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