Ultrahigh resolution long range surface plasmon-based sensor

An ultra-high sensitive surface plasmon resonance (SPR) sensor based on excitation of a long range surface plasmon was developed. Compared to previous reports, the sensor employs more advanced photonic components like superluminescent diode source and polarization-maintaining fibers, which allowed f...

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Bibliographic Details
Published in:Sensors and actuators. B, Chemical Chemical, 2007-04, Vol.123 (1), p.10-12
Main Authors: Slavík, Radan, Homola, Jiří
Format: Article
Language:English
Subjects:
Actuators
Fibers
Long range surface plasmon
Optical sensor
Photonics
Plasmons
Refractive index
Refractivity
Sensors
Superluminescent diodes
Surface plasmon
Surface plasmon resonance
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Summary:An ultra-high sensitive surface plasmon resonance (SPR) sensor based on excitation of a long range surface plasmon was developed. Compared to previous reports, the sensor employs more advanced photonic components like superluminescent diode source and polarization-maintaining fibers, which allowed for dramatic decrease of the sensor detection limit. The attained refractive index detection limit of 2.5 × 10 −8 is so far the highest value reported for any SPR-based sensor.
ISSN:0925-4005
1873-3077
DOI:10.1016/j.snb.2006.08.020