International School of Photonics

 
              

   
   
   
   

 

 

 

 
 
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Sreelekha G

Address
 International School Of Photonics
 Cochin University of Science and
 Technology
 Cochin | Kerala | India

Phone
 +91-0484-2575848

Fax
 +91-0484-2576714
Email
 sreelekhasatheesh [AT] gmail.com

    Advisor
       Prof. C. P. Girijavallabhan

   
    Area of Research
     
  Nonlinear Optics




       Sreelekha  

Research Experience
 Research Scholar
 International School of Photonics
 September 2007 - present

Topic of Research
 Optical Studies of Polymers & Related Materials

Area of Interest
 Conjugated Polymers , Electronic Devices &
 Circuits, Digital Signal Processing






Academic Background
 M. Sc in Electronics,  Bharathiar University, Coimbatore, Tamil Nadu, India

 B. Sc in Electronics,  College of Applied Sciences, IHRDE, Mahatma Gandhi University, Kottayam, Kerala, India

Achievements
 Stood first in Master's program
 Qualified UGC-NET 2004

Professional Associations
 Student Member, SPIE



Publications:

Journal Papers:

1 . “ Characteristics of Dual Amplified Spontaneous Emission from MEH-PPV solutions ", G.Sreelekha, G. Vidya, K. Geetha, Rani Joseph ,S. Prathapan , P. Radhakrishnan , C.P.G. Vallabhan and V.P.N. Nampoori ; International journal of Optics and Photonics,5(1), pp. 3-12, (2011) .

2 . “ Laser resonant modes from MEH-PPV dissolved in tetrahydrofuran ", G.Sreelekha, G. Vidya, K. Geetha, M.S. Ebin, Rani Joseph ,S. Prathapan , P. Radhakrishnan ,C.P.G. Vallabhan and V.P.N. Nampoori ; International journal of Photonics, 3(1), pp. 31-38, (2011) .

3 . “ Evaluation of absolute fluorescence quantum yield of MEH-PPV using laser induced thermal lens technique ", G.Sreelekha, G. Vidya, Rani Joseph ,S. Prathapan , P. Radhakrishnan, C.P.G. Vallabhan and V.P.N. Nampoori ; Asian J. Spectrosc, pp. 271-275, Special Issue-2012 .

4 . “ Multimode emissions from MEH-PPV blended with Polystyrene film waveguides ", G.Sreelekha, G. Vidya, K. Geetha, Rani Joseph, S. Prathapan, P. Radhakrishnan, C.P.G. Vallabhan and V.P.N. Nampoori ; International Journal of optics and photonics, 5(2), pp. 111-120, (2011) .

5 . “ Measurement of thermal diffusivity of MEH–PPV in different organic solvents using laser induced thermal lens technique ", G. Sreelekha, G. Vidya, P. Radhakrishnan, C.P.G. Vallabhan, V.P.N. Nampoori ; Optik - International Journal for Light and Electron Optics (In press) .

6 . “ Two photon fluorescence spectra from MEH-PPV/Polystyrene based film waveguides ", G. Sreelekha, G Vidya ,M S Ebin, K Geetha ,S Sreeja, Rani Joseph, S Pratapan,P Radhakrishnan, C P G Vallabhan and V P N Nampoori ; Journal of Optics, OSI (In Press) .

Conference Papers:

1 . “ Photoluminescence of MEH-PPV/PS based planar waveguide structure ", G.Sreelekha, G. Vidya, K. Geetha, M.S. Ebin, Rani Joseph ,S. Prathapan, P. Radhakrishnan ,C.P.G. Vallabhan and V.P.N. Nampoori ; International Conference on Recent Trends in Materials Science and Technology(ICMST) October 29-31, 2010 at Thiruvananthapuram, Kerala. .

2 . “ Laser emission from MEH-PPV/PS based planar waveguide structure ", G.Sreelekha, G. Vidya, M.S. Ebin, K. Geetha, Rani Joseph ,S. Prathapan , P. Radhakrishnan ,C.P.G. Vallabhan and V.P.N. Nampoori ; International Conference on Fiber Optics and Photonics 2010 at Indian Institute of Technology, Guwahati, during December 11-15, 2010. .

3 . “ Dual wavelength Amplified Spontaneous Emission from MEH:PPV ", G.Sreelekha, G. Vidya ,K. Geetha, P. Radhakrishnan , Rani Joseph ,S. Prathapan ,C.P.G. Vallabhan and V.P.N. Nampoori ; Ninth DAE-BRNS National Laser Symposium 13th-16th January, 2010 Organized at BARC, Mumbai. .

4 . “ Multimode emission from MEH-PPV dissolved in tetrahydrofuran ", G.Sreelekha, G. Vidya ,K. Geetha, P. Radhakrishnan , Rani Joseph ,S. Prathapan ,C.P.G. Vallabhan and V.P.N. Nampoori ; DAE-BRNS National Laser Symposium" at RRCAT, Indore from Dec.1-4, 2010 .

5 . “ Measurement of the absolute fluorescence quantum yield of MEH-PPV solution using a dual-beam thermal lens technique ", G.Sreelekha, G. Vidya, A. Santhi, K. Geetha, Rani Joseph ,S. Prathapan , P. Radhakrishnan, C.P.G. Vallabhan and V.P.N. Nampoori ; Kerala Women’s Science Congress 2010, at St. Teresa’s College, Ernakulam on August 10- 12, 2010. .

6 . “ Two photon fluorescence spectra of MEH-PPV/PS blend films under femtosecond irradiation ", M S Ebin, G Sreelekha, S Sreeja, P Radhakrishnan, V P N Nampoori ,C P G Vallabhan ,K Geetha ,G Vidya, Rani Joseph and S Pratapan ; International Conference on Recent Trends in Materials Science and Technology(ICMST) October 29-31, 2010 at Thiruvananthapuram. .

7 . “ Synthesis and photo physical investigations of Poly [2-methoxy-5-(2’-ethyl-hexyloxy) -1, 4-phenylenevinylene] (MEH-PPV) ", G. Vidya, G. Sreelekha, V. P. N. Nampoori, S. Prathapan, Rani Joseph ; APT-10. J J Murphy research centre, Rubber park India ltd, Kochi. Feb 26-27, 2010 .

8 . “ Thickness effects on the fluorescence spectra of MEH:PPV/PMMA thin film waveguides ", Geetha K, Sreelekha G, Vidya G, Rani M Joseph, C P G Vallabhan, P Radhakrishnan and V P N Nampoori ; Eighth DAE-BRNS National Laser Symposium, January 7-10, 2009. .

 
 
 
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International School of Photonics, Cochin University of Science and Technology, Kochi, Kerala, India. Pin - 682022. Phone: 0091-484-2575848, Fax: 0091-484-2576714