Highly sensitive interfacial mass detection using ultracompact waveguiding films

Hoyer, R.; Mangold, C.
May 1994
Applied Physics Letters;5/23/1994, Vol. 64 Issue 21, p2791
Academic Journal
Examines the use of optical transducer consisting of waveguiding films to detect interfacial mass changes during the sorption of small molecule at a planar surface. Formation of a molecular layer on the waveguide surface; Change in the refractive index within the penetration depth of the evanescent field; Presence of residual impurities in the films.


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