Welcome to JENT its Monday 22nd of January 2018

Journal of Environmental Nanotechnology

(A Quarterly Peer-reviewed and Refereed International Journal)
ISSN(Print):2279-07 48; ISSN(Online):2319-5541

An analysis on the performance of the prism based SPR sensor with composite of Indium tin oxide and gold


In this paper, we theoretically studied the role of the prism material in sensor design of SPR-based sensor. We analysed the performance of three prisms of different refractive indices coated with composites of Indium tin oxide and gold with different thickness values. We studied the reflection spectra under the angular interrogation mode and the performance are evaluated by employing two main parameters such as sensitivity and Full width Half Maximum (FWHM) of resonance curve. It is found that 10% of ITO hosted in metal matrix of gold gives the highest shift (8.14Ëš) in resonance angle and least FWHM (5.15Ëš) of the resonance curve for the film thickness of 50nm for the prism of np=1.456.

Article Type: Orginal Research Article

Corresponding Author: K. B. Rajesh 4  

Email: rajeskb@gmail.com

This article has not yet been cited.

N. Veerabagu Suresh 1,  M. Agalya 2,  M. Lavanya 3,  K. B. Rajesh 4*.  

1. Department of Electronics and Communication Engineering, Jayaraj Annapackiam CSI College of Engineering, Nazareth, TN, India

2, 3. Department of Physics, PSGR Krishnammal College for women, Coimbatore, TN, India.

4. Department of Physics, Chikkanna Government Arts College, Tiruppur, TN, India.

J. Environ. Nanotechnol. Volume 3, No.4 pp. 58-62
ISSN: 2279-0748 eISSN: 2319-5541
-ENT 144108.pdf
Download Citation


Ghatak, A. and Thyagarajan, K., An Introduction to Fiber Optics, Cambridge University Press, Cambridge (1999).
Hecht, E., Optics, fourth ed., Pearson Education Inc. 431–436 (2002).
Kretchmann, E. and Reather, H. Naturforsch., Radiative decay of non radiative surface plasmons excited by light, 23, 2135-2136 (1968).
Kretchmann, E., The determination of the Optical Constants of Metals by Excitation of Surface Plasmons, Z. Phys., 241, 313-324 (1971).
Mishra, S. K. and Gupta, B. D., Surface plasmon resonance based fiber optic hydrogen gas sensor utilizing indium-tin oxide (ITO) thin films, Plasmon, 7, 627-632 (2012). doi:10.1007/s11468-012-9351-7
Navneet K. Sharman, Swati Yadav. and Vivek Sajal, Theoretical analysis of highly sensitive prism based surface Plasmon resonance sensor with indium tin oxide, Opt. commun., 318, 74–78 (2014). doi:10.1016/j.optcom.2013.12.049

Rani, M., Sharma, N. K. and Sajal, V., Surface plasmon resonance based fiber optic sensor with nanoparticles, Opt. Commun., 292, 92-100 (2013).  doi:10.1016/j.optcom.2012.11.087

Rhodes, C., Cerruti, M., Efremenko, A., Losego, M., Aspnes, D. E., Maria, J. P. and Franzen, S., Dependence of plasmon polaritons on the thickness of indium tin oxide thin films, J. Appl. Phys., 103, 093108 (2008). doi:10.1063/1.2908862

Roy, R. K., Mandal, S. K. and Pal, A. K., Effect of interfacial alloying on the surface plasmon resonance of nanocrystalline Au–Ag multilayer thin films, Eur. Phys. J. B., 33, 109–14 (2003).  doi:10.1140/epjb/e2003-00147-x

Sharma, N. K. Rani, M. and Sajal, V., Surface plasmon resonance based fiber optic sensor with double resonance dips, Sens. Actuat. B., 188, 326-333 (2013).  doi:10.1016/j.snb.2013.07.007
Singh, S. and Gupta, B. D., Simulation of a surface plasmon resonance-based fiber-optic sensor for gas sensing in visible range using films of nano composites, Meas. Sci. Technol., 21, 115202 (2010). doi:10.1088/0957-0233/21/11/115202

Verma, R. K. and Gupta, B. D., Surface plasmon resonance based fiber optic sensor for the IR region using conducting metal oxide film, J. Opt. Soc. Am. A., 27, 846-851 (2010).  doi:10.1364/JOSAA.27.000846