RESEARCH IN THE DEPARTMENT OF ELECTRONICS

 

Major Research Areas

  1.        Microwave Antennas

  2.        Dielectric Resonator Antennas

  3.        Printed Antennas for mobile Communications

  4.        Optical fiber based Sensors

LIST OF PUBLICATIONS

Patents

   1.        US Patent, Dual polarized dielectric resonator antenna, Rohith K. Raj et al. (2012)

   2.        Indian Patent, Ultra compact coplanar Antenna (under process in Department of Science and Technology)

Book

   3.        Ashkarali P. et al. Experimental physics for graduates

International Journals & Conference Proceedings

   4.        Sarin V.P., Rohith K. Raj et al. A Compact Stacked Dipole Antenna with Directional Radiation Coverage for Wireless Communications, IEEE Antennas and Wireless Propagation letters, IEEE (in Press), 2013

   5.        Rohith K. Raj, Benoit Poussot, Jean-Marc Laheurte and O. Vendier, Pattern Reconfigurable Microstrip antenna using flip chip mounted packaged RF MEMS, Microwave and optical Technology Letters, Vol. 52, No.3, March 2010, pp. 574-577

   6.        Rohith K. Raj, Manoj Joseph, C. K. Aanandan, K. Vasudevan and P. Mohanan, A new compact microstrip-fed dual-band coplanar antenna for WLAN applications IEEE Transactions on Antennas and Propagation, vol.54, no.12, pp 3755-3762, 2006

   7.        Rohith.K.Raj, Manoj Joseph, Binu Paul, P.Mohanan, Compact planar multiband antenna for PCS,DCS,2.4/5.8GHz WLAN applications,  IEE Electronics Letters, Vol. 41, No.6, pp.290-291, 2005

   8.        Rohith K. Raj, Sona O. Kundukulam, C. K. Aanandan, , P. Mohanan, Praveen Kumar, Compact amplifier integrated microstrip antenna, Microwave and Optical Technology Letters Volume 40, Issue 4, Date: 20 February 2004, Pages: 296-298

   9.        Manoj Joseph , Rohith.K.Raj, Binu Paul, P.Mohanan, Compact wide band antenna for 2.4GHz WLAN applications,  IEE Electronics Letters, Vol. 40, No.23, pp.1460-1461,11th November 2004

10.        Compact Asymmetric Coplanar Strip Fed Monopole Antenna for Multiband Applications, Deepu, V.; Raj, R. K.; Joseph, M..; Suma, M. N.; Mohanan, P..IEEE Transactions on Antennas and Propagation, vol. 55, issue 8, pp. 2351-23, 2007

11.        Deepu V.; Rohith, K.R.; Manoj, J.; Suma, M.N.; Vasudevan, K.; Aanandan, C.K.Aanandan and Mohanan, P Compact uniplanar antenna for WLAN applications Electronics Letters Vol 43, no 2, Page(s) 70 - 72 , 2007

12.        Planar branched monopole antenna for UWB applications, K. Francis Jacob, M. N. Suma, Rohith K. Raj, Manoj Joseph, P. Mohanan Microwave and Optical Technology Letters, Volume 49 Issue 1, Pages 45 - 47, 2006

13.        A compact dual band planar branched monopole antenna for DCS/2.4-GHz WLAN applications, Suma, M.N.   Raj, R.K.   Joseph, M.   Bybi, P.C.   Mohanan, P. Microwave and Wireless Components Letters, IEEE, May 2006, Volume: 16,  Issue: 5, page(s): 275- 277

14.        Compact dual-band antenna for DCS/2.4 GHz WLAN applications, Manoj Joseph, Rohith K. Raj, M. N. Suma, P. Mohanan, Microwave and Optical Technology Letters Volume 48 Issue 5 , Pages 856 - 859, 28 Mar 2006

15.        Microstrip-fed dual band folded dipole antenna for DCS/PCS/2.4GHz WLAN applications, Joseph, Manoj,  Raj, Rohith K,  Suma, M N, Aanandan, C K, Vasudevan, K, Mohanan,P, International Journal on Wireless & Optical Communications, Vol. 4, no. 1, pp. 43-51. Jan. 2007

16.        13.  Compact ultra-wideband planar serrated antenna with notch band ON/OFF control Shameena, V.A.   Suma, M.N.   Rohith K. Raj , K.   Bybi, P.C.   Mohanan, P, Electronics Letters, November 9 2006, Volume: 42,  Issue: 23, On page(s): 1323-1324

17.        Manoj Joseph, Rohith.K.Raj, K.Vasudevan, C.K.Aanandan, P.Mohanan  A Novel Compact Wideband Antenna, XXVIIIth URSI GA 2005, New Delhi, October

18.        Manoj Joseph, Rohith.K.Raj, P.Mohanan,  Compact planar multiband antenna, Proc. IEEE APS International Symposium, Washington DC, July 3-8

19.        Rohith K. Raj, Sona O. Kundukulam, Shynu S.V., C.K. Aanandan, K. Vasudevan, P. Mohanan and Praveen Kumar Compact slotted active Microstrip antenna, CODEC-04 January 1-3, 2004, Kolkata, India

20.        Rohith K. Raj, Sona O. Kundukulam, C.K. Aanandan, K. Vasudevan, P. Mohanan and Praveen Kumar Compact active Microstrip antenna 1st International Conference on Microwaves, Antenna, Propagation and Remote Sensing (ICMARS-2003), December 15 -19, Jodhpur

21.        Manoj Joseph, Rohith K Raj, Binu Paul, , C.K. Aanandan, P.Mohanan K.Vasudevan and K.G Nair, Compact wideband antenna for Bluetooth applications Proc. of the National Symposium on Microwave Antennas and Propagation, APSYM-04, pp.64-67, Cochin, 2004

22.        Rohith K Raj, Manoj Joseph, C.K. Aanandan, K.Vasudevan and P.Mohanan Compact Coplanar Antenna for active antenna applications Proc. of the National Symposium on Microwave Antennas and Propagation, APSYM-04, pp.222-225, Cochin, 2004

23.        Rohith K. Raj, Manoj Joseph, C. K. Aanandan, K. Vasudevan and P. Mohanan. A New Compact Printed Antenna with Coplanar Configuration IEEE Antennas and propagation International symposium,  2005

24.        Manoj Joseph, Rohith K. Raj, C. K. Aanandan, K. Vasudevan and P. Mohanan Compact Planar Multiband Antenna APS 2005

25.        Compact dual band antenna for WLAN applications

26.        Deepu. V, Rohith K. Raj,  Manoj Joseph,   Suma M N,   Mohanan, P, IEEE APS International Symposium, 2007, 9-15 June 2007 On page(s): 2053-2053

27.        Fractal PBG Microstrip antenna, Roihith K. Raj, Jayaram, Sreedevi K. Menon, C.K. Aanandan, K. Vasudevan, P.Mohanan, National Symposium on Antennas and Propagation, December  2002, Cochin

28.        Shynu S. V, Rohith K. Raj, Anupam R. Chandran, Aanandan C. K, Mohanan P. and Vasudevan K. "Single Feed Dual Frequency Dual Polarized Microstrip Antenna with Hexagonal Slot" Proc. of IEEE APS International Symposium, Monterey, CA, USA, June 20-25, 4380-4383

29.        A new compact coplanar antenna, Rohith K. Raj, Manoj Joseph, K.Vasudevan, C.K. Aanandan and P.Mohanan, XXVIIIth URSI General Assembly,  New Delhi, October2005

30.        P. Ashkarali, S. Sreenath, R. Sujith, R. Dinesh, D. D. Krishna and C. K. Aanandan "A compact asymmetric coplanar strip fed dual-band antenna for DCS/WLAN applications" MICROWAVE AND OPTICAL TECHNOLOGY LETTERS Volume 54, Issue 4, April 2012, Pages: 1087-1089, DOI: 10.1002/mop.26731

31.        S. Sreenath, P. Ashkarali, Paulbert Thomas, R. Dinesh and C. K Anandan "CPW-FED compact bent monopole antenna for UWB applications" MICROWAVE AND OPTICAL TECHNOLOGY LETTERS Volume 55, Issue 1, January 2013, Pages: 56-58, DOI: 10.1002/mop.27252

32.        S Sreenath, P Ashkarali " CPW fed Monopole antenna" National Symposium on Antennas and Propagation APSYM 2010 CUSAT, Cochin Kerala.

33.        P Ashkarali S Sreenath "Dielectric resonator loaded monopole antenna" National seminar on Recent Trends in Electronics and Communication Jan 2012, Wayanad, Kerala.

34.        R. Dinesh P Ashkarali "A Dual Band asymmetrical grounded CPW fed antenna for WLAN applications" National Symposium on Antennas and Propagation.

35.        J Linesh, K Sudeesh, P Radhakrishnan V P N Nampoori, "Liquid Level SensorUsing Etched Silica Fiber", Microwave. Opt. Technol. Lett.  52 (4), 2010, 883-885.

36.        J. Linesh, T. M. Libish, M. C. Bobby, P. Radhakrishnan and V. P. N. Nampoori, "Periodically Tapered LPFG for Ethanol Concentration Detection in Ethanol-Gasoline Blend", Sensors & Transducers Journal, 125 ( 2), 2011, 205-212.

37.        J Linesh, K Sudeesh, T M Libish, P Radhakrishnan and V P N Nampoori, "Optical fiber sensor to determine critical mole fractions of alcohol-water binary mixtures", Proc. of SPIE, 8173,  2011, 81731U1-7

38.        J Linesh, T M Libish, M C Bobby, P Radhakrishnan and V P N Nampoori, "Comparison of Thermal and Refractive index Sensitivity of Symmetric and Antisymmetric modes of Long Period Fiber Gratings, AIP Conf. Proc., 1391, 2011,397-399

39.        T. M. Libish, J. Linesh, P. Biswas, S. Bandyopadhyay, K. Dasgupta and P. Radhakrishnan, "Fiber Optic Long Period Grating Based Sensor for Coconut Oil Adulteration Detection", Sensors & Transducers Journal, 114 (3), 2010, 102-111.

40.        T. M. Libish, J. Linesh, P. Biswas, S. Bandyopadhyay, K. Dasgupta and P. Radhakrishnan, "Detection and analysis of paraffin oil adulteration in coconut oil using fiber optic long  period grating sensor", Optik, 122, 2011, 1939- 1942

41.        T. M. Libish, J. Linesh, M. C. Bobby, P. Biswas, S. Bandyopadhyay, K. Dasgupta, P. Radhakrishnan, "Fiber optic sensor for the adulteration detection of edible oils", Optoelectron. Adv. Mater. Rapid Commun., 5 (1), 2011, 68-72

42.        T. M. Libish, M. C. Bobby, J.Linesh, P. Biswas, S. Bandyopadhyay, K. Dasgupta, P. Radhakrishnan, "The effect of grating period on refractive index sensitivity of long period gratings written in hydrogen loaded SMF-28 fiber", J. Optoelectron. Adv. Mater., 13 (5), 2011, 491-496.

43.        T. M. Libish, J. Linesh, M. C. Bobby, B. Nithyaja, S. Mathew, C. Pradeep and P. Radhakrishnan, "Glucose Concentration Sensor Based on Long Period Grating Fabricated from Hydrogen Loaded Photosensitive Fiber",  Sensors & Transducers Journal, Vol. 129, Issue 6, June 2011, pp. 142-148.

44.        P.P.Anish, J.Linesh ,T.M.Libish ,S.Mathew ,P.Radhakrishnan, "Design and development  of  diaphragm based EFPI pressure sensor", Proc. of SPIE, 8173, 2011,  81731V1-6

45.        Dibin Mary George, J Linesh and P Radhakrishnan, "Design and Simulation of a Polymer Planar-Lightwave- Circuit Type 1X 32 Optical Power Splitter", AIP Conf. Proc., 1391, 2011, 467-469

46.        Libish T. M., Bobby M. C., Linesh, J., Nampoori, V. P. N., Radhakrishnan P, "Experimental analysis on the response of long period grating to refractive indices higher and lower than that of fiber cladding", Microwave. Opt. Technol. Lett, 54 (10) 2012 , 2356-2360.

47.        J Linesh, K Sudeesh, A V Arun Babu, P K Shabeeb, V P N Nampoori, "Imaging Of Corrugated Surface Using Tapered Optical Fiber", International Conference on Fiber Optics and Photonics (PHOTONICS-2008), Dec 2008, IIT Delhi.

48.        J Linesh, K Sudeesh, T M Libish, P Radhakrishnan and V P N Nampoori, "Optical Fiber Sensor to Determine Critical Mole Fractions Of Alcohol-Water Binary Mixtures", International Conference on Fiber Optics and Photonics (PHOTONICS-2010), Dec 2010, IIT Guwahati..

49.        J Linesh, T M Libish, P Radhakrishnan and V P N Nampoori, "LPFG Based Sensor to Monitor Ethanol Concentration in Ethanol Petrol Blend", International Conference on Fiber Optics and Photonics (PHOTONICS-2010), Dec 2010, IIT Guwahati..

50.        J Linesh, T M Libish, P. Biswas, S. Bandyopadhyay, K. Dasgupta, P. Radhakrishnan and  V P N Nampoori, "Effect Of Etching on the Refractive Index and Temperature Sensitivity of a Fiber Bragg Grating", International Conference on Fiber Optics and Photonics (PHOTONICS-2010), Dec 2010, IIT Guwahati.

51.        J Linesh, Dibin M G, T M Libish, Bobby M, P Radhakrishnan and V P N Nampoori, "Optical Fiber Sensor to Determine Critical Micelle Concentration of Binary Mixtures of tert -Butyl Alcohol and Water", International Conference on Contemporary Trends in Optics and Optoelectronics, Jan 2011, IIST Thiruvananthapuram.

52.        J Linesh, T M Libish, Bobby Mathews, P Radhakrishnan and V P N Nampoori, "Comparison of CO2 and UV Inscribed LPFG for Ethanol Concentration Detection in Ethanol Blended Petrol", International Conference on Contemporary Trends in Optics and Optoelectronics, Jan 2011, IIST Thiruvananthapuram.

53.        J Linesh, T M Libish, M C Bobby, P Radhakrishnan and V P N Nampoori, "Comparison of Thermal and Refractive index Sensitivity of Symmetric and Antisymmetric modes of Long Period Fiber Gratings", Proceedings of International Conference on Light (optics'11), NIT Calicut, India, May 23-25, 2011.

55.        A.V. Suresh Kumar, J. Linesh, P.P. Anish, K.M. Shafi and P. Radhakrishnan, All Silica EFPI Fiber Sensor for Temperature Measurement", International Conference on Sensors and Related Networks (SENNET'09), Dec 2009, VIT University, Vellore.

56.        Anish P P, J Linesh, T M Libish, S Mathew and P Radhakrishnan , "Design andDevelopment of Diaphragm-Based EFPI Pressure Sensor", International Conference on Fiber Optics and Photonics (PHOTONICS-2010).

57.        T.M.Libish, J.Linesh, P.P.Anish, P.Biswas, S.Bandyopadhyay, K.Dasgupta and P.Radhakrishnan, "Adulteration Detection Of Coconut Oil Using Long Period Fiber Grating", International Conference on Fiber Optics and Photonics (PHOTONICS-2010), Dec 2010, IIT Guwahati.

58.        T M Libish, J Linesh,  Bobby Mathews, C.Pradeep and  P Radhakrishnan, "Fiber optic sensor for the adulteration detection of edible oils", International Conference on Contemporary Trends in Optics and Optoelectronics, Jan 2011, IIST Thiruvananthapuram.

59.        Dibin Mary George, J Linesh and P Radhakrishnan, "Design and simulation of a Polymer Planar-Lightwave-Circuit Type 1× 32 Optical power splitter", Proceedings of International Conference on Light (optics'11), NIT Calicut, India, May 23-25, 2011.

60.        J.Linesh, V.K.Jayasree, K.S.Beena, V.P.N.Nampoori, "Optic Fiber based Sensor to study Clay Consolidation" DAE- BRNS National Laser Symposium (NLS)-2007, Dec 2007, MS University Baroda.

61.        J Linesh, K Sudeesh, S. Mathew, V P N Nampoori, "A Fiber optic probe to studyproperties of binary liquid mixtures", DAE- BRNS National Laser Symposium (NLS)-2009, Jan 2010, BARC, Mumbai.

62.        J Linesh, K J Thomas, K Sudeesh, V P N Nampoori, "Fiber Optic Temperature sensor based on Periodically tapered long period grating", DAE- BRNS National Laser Symposium (NLS)-2009, Jan 2010, BARC, Mumbai.

63.        J Linesh, T M Libish, P Radhakrishnan and V P N Nampoori, "Comparative Study of Long-Period Gratings Written Using an Electric Arc and CO2Irradiation for Ethanol Concentration Detection in Petrol", DAE- BRNS National Laser Symposium (NLS)-2010, Dec 2010, RRCAT, Indore.

64.        J Linesh, T M Libish, Bobby Mathews, P Radhakrishnan and V P N Nampoori, "Fiber Optic Sensor for Adulteration Detection in Ethanol Blended Petrol", 20th Swadeshi Science Congress, Nov 6-8, 2010, Central Marine Fisheries Research Institute (CMFRI), Kochi.

65.        J Linesh, M C Bobby, T M Libish, P Radhakrishnan and V P N Nampoori, "Fiber Optic Alcometer Using Pva/Chitosan Polymer Blend", XXXVI OSI Symposium on Frontiers in Optics and Photonics (FOP11), December 3-5, 2011, IIT Delhi

66.        S P Sithara, Lyjo K Joseph, J Linesh, B Nithyaja, P Radhakrishnan, V P N  Nampoori, "Thermal Characterization Of Ba3dyta3o12 Ceramic By Photoacoustic Technique", DAE- BRNS National Laser Symposium (NLS)-2008, Jan 2009, Laser Science and Technology Center (LASTEC), Delhi.

67.        Mathew S, Linesh. J, Arif P. Ahamed,V P N Nampoori , C P Girijavallabhan, "Effect of doping of Manganese on spectral properties of ZnS  nanoparticles", DAE- BRNS National Laser Symposium (NLS)-2009, Jan 2010, BARC, Mumbai.

68.        Lyjo K. Joseph, K. R. Dayas, J. Linesh, V. P. N. Nampoori ,P. Radhakrishnan, "Thermal diffusivity measurement using photothermal technique- Fractal approach", DAE- BRNS National Laser Symposium (NLS)-2009, Jan 2010, BARC, Mumbai.

69.        Lyjo K. Joseph, K. Sudeesh, M. N. Muralidharan, J. Linesh, V. P. N. Nampoori, P. Radhakrishnan, "Thermal characterization of rare earth doped sol gel glasses using photoacoustic method", DAE- BRNS National Laser Symposium (NLS)-2009, Jan 2010, BARC, Mumbai.

70.        P P Anish, J Linesh, T M Libish, Bejoy Varghese and P Radhakrishnan, "A Metal Diaphragm Based Fiber Optic EFPI Temperature Sensor", DAE- BRNS National Laser Symposium (NLS)-2010, Dec 2010, RRCAT, Indore.

T.M.Libish, J.Linesh, P.P.Anish, S Mathew, V P Nampoori and  P.Radhakrishnan,  " Fiber Optic Sensor for Detection of Adulteration in Sunflower Oil", DAE- BRNS National Laser Symposium (NLS)-2010, Dec 2010, RRCAT, Indore. 

 

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