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Abstract:
We show that the surface properties of Au thin films on a glass prism, typical of the Krestchsmann setup for SPR generation, can be modified or tuned with optical exposure. The wetting properties of the film were investigated by measuring contact angles of water drops at room temperature T = 23 degrees C. These contact angle change with optical irradiation from below the film. This change corresponds to a maximum contact angle reduction of Delta theta(c) similar to 30 degrees when a surface plasmon resonance (SPR) is excited. The variation in contact angle during drop evaporation is evaluated under different irradiation conditions.
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2017 25TH INTERNATIONAL CONFERENCE ON OPTICAL FIBER SENSORS (OFS)
ISSN: 0277-786X
Year: 2017
Volume: 10323
Language: English
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 2
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