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Dr. Smijesh N

Dr. Smijesh N.

Assistant Professor

School of Pure and Applied Physics

Mahatma Gandhi University

Kottayam, Kerala – 686 560, India

E-mail: nsmijesh@gmail.com

Tel: +91 (0) 481 2731043 (Office)

+91 (0) 9946326883 (Mobile)

 

Download my short CV  here

Academic Qualifications

Ph.D. Physics, National Institute of Technology Calicut, India (2015)
M. Tech. Optoelectronics and Optical Communication, University of Kerala, India (2009)
M.Sc. Physics, Mahatma Gandhi University Kottayam, India (2006).
B.Sc. Physics, University of Kerala, Kerala, India (2004).

Research Experience

Postdoctoral Researcher, Umeå University, Sweden (2018-19)
Postdoctoral Researcher, Griffith University, Australia (2015-17)
Research Associate, Raman Research Institute, India (2014-15)
Project Assistant, Raman Research Institute, India (2010-11)

Research Interests

Ultrafast and attosecond science, High harmonic generation, Intense light-matter interaction, Laser produced plasmas, Nonlinear optics

Teaching Experience

Guest Lecturer, Catholicate College, Pathanamthitta, India.

Professional Experience

Local organizing committee member of the ISWAP-2017, a satellite conferences of ICPEAC-2017
Reviewer for Science Direct, OSA, and AIP journals.

Thesis Supervision

Master Project: Contrast improvement of few-cycle laser pulses (2018)

 

Publications in Peer-Reviewed Journals

  1. Contrast improvement of sub-4 fs laser pulses using nonlinear elliptical polarization rotation
    N. Smijesh, X. Zhang, P. Fischer, A. A. Muschet, R. Salh, A. Tajalli, U. Morgner, and Veisz. Optics Letters, 44 (16), 4028-4031 (2019).
    https://doi.org/10.1364/OL.44.004028
  2. Effect of double-pulse irradiation on the morphology of a picosecond laser-produced chromium plasma
    Kavya H. Rao, N. Smijesh, D. Chetty, I. V. Litvinyuk, R. T. Sang.
    https://arxiv.org/abs/1808.08678v1
  3. Plasma plumes produced by laser ablation of Al with single and double pulse schemes
    N. Smijesh, Kavya H. Rao, D. Chetty, I. V. Litvinyuk, R. T. Sang. Optics Letters, 43 (24), 6081-6084 (2018).
    https://doi.org/10.1364/OL.43.006081
  4. Time-resolved optical emission spectroscopic studies of picosecond laser-produced Cr plasma
    Kavya H. Rao, N. Smijesh, N. Klemke, R. Philip, I. V. Litvinyuk, R. T. Sang. Phys. Plasmas 25, 063505 (2018).
    https://doi.org/10.1063/1.5026417
  5. Optical emission and dynamics of aluminum plasmas produced by ultrashort and short laser pulses.
    Pranitha Sankar, Jijil. JJ Nivas, N. Smijesh, R. Philip, J. Anal. At. Spectrom. 32, 1177 (2017).
    http://dx.doi.org/10.1039/C7JA00133A
  6. Spatio-temporal optimization of a laser-produced Al-plasma: Generation of highly ionized species
    N. Smijesh, Kavya H. Rao, N. Klemke, R. Philip, I. V. Litvinyuk, R. T. Sang, Phys. Plasmas 23, 113104 (2016)
    http://dx.doi.org/10.1063/1.4967945
  7. Ultrafast Laser produced zinc Plasma: Stark Broadening of emission lines in a nitrogen ambient
    Kavya H. Rao, N. Smijesh, Jijil JJ Nivas, R. Philip, Phys. Plasmas 23, 043503 (2016)
    http://dx.doi.org/10.1063/1.4945613
  8. Influence of pulse width on the laser ablation of zinc nitrogen ambient
    N. Smijesh, Kavya H. Rao and R. Philip, Appl. Phys. A 122 (4), 1-6 (2016)
    http://dx.doi.org/10.1063/1.4945613
  9. Dynamics of neutrals and ions in a femtosecond laser-produced zinc plasma
    N. Smijesh, Kavya. H. Rao, R. Philip, Phys. Plasmas 22, 033509 (2015)
    http://dx.doi.org/10.1063/1.4914928
  10. Acceleration of neutrals in a nanosecond laser-produced nickel plasma
    N. Smijesh, K. Chandrasekharan, and R. Philip, Phys. Plasmas 21, 123507 (2014)
    http://dx.doi.org/10.1063/1.4904308
  11. Time of ight emission spectroscopy of a laser-produced expanding nickel plasma: short pulse and ultrafast excitations
    N. Smijesh, K. Chandrasekharan, J. C. Joshi, R. Philip, J. Appl. Phys. 116, 013301 (2014)
    http://dx.doi.org/10.1063/1.4885760
  12. Emission dynamics of an expanding ultrafast-laser produced Zn plasma under different ambient pressures
    N. Smijesh and R. Philip, J. Appl. Phys. 114, 093301 (2013)
    http://dx.doi.org/10.1063/1.4820575
  13. Organic dye impregnated poly(vinyl alcohol) nanocomposite as an e_cient optical limiter: structure, morphology and photophysical properties
    Sreeja, S. Sreedhanya, N. Smijesh, R. Philip, C. I. Muneera, J. Mater. Chem. C 1, 3851(2013)
    http://dx.doi.org/10.1039/C3TC30427B
  14. Size-dependent optical properties of Au nanorods S.L Smitha, K.G. Gopchandran
    N. Smijesh, R. Philip, Progress in Natural Science- Material International 23(1), 36 (2013)
    https://doi.org/10.1016/j.pnsc.2013.01.005
  15. Nonlinear optical properties of composite napthalocyanine thin flms with nanocrystalline morphology
    N. S. Panicker, N. Smijesh, R. Philip, C.S. Menon, Mat. Lett. 89, 188 (2012)
    https://doi.org/10.1016/j.matlet.2012.08.085
  16. Electrochemical and Nonlinear Optical Studies of New DA Type pi-Conjugated Polymers Carrying 3, 4-Benzyloxythiophene, Oxadiazole, and 3, 4-Alkoxythiophene Systems
    S. Sunitha, A. V. Adhikari, K. A. Vishnumurthy, N. Smijesh, R. Philip, Chem. Lett. 41, 234 (2012)
    https://doi.org//10.1246/cl.2012.234
  17. Synthesis, characterization and nonlinear optical properties of 2-[(E)-2-(4-ethoxyphenyl) ethenyl]-1-methylquinolinium 4-substitutedbenzenesulfonate compounds
    Ruanwas, T. Kobkeatthawin, S. Chantrapromma, H. Fun, R. Philip, N. Smijesh, M. Padaki, A. M. Isloor, Synthetic Metals 160 (7), (2010). https://doi.org/10.1016/j.synthmet.2009.12.005
  18. Two-Photon Absorption and optical limiting in Tristhiourea Cadmium Sulphate
    Dhanuskodi, T. C. Sabari Girisun, N. Smijesh, R. Philip, Chem. Phys. Lett. 486, 8083 (2010)
    https://doi.org/10.1016/j.cplett.2009.12.069

Conference Publications

  1. Contrast improvement of few-cycle laser pulses using nonlinear ellipse rotation N. Smijesh, X. Zhang, P. Fischer, A. A. Muschet, R. Salh, A. Tajalli, U. Morgner, and Veisz.,Ultrafast Optics XII, Oct 6-11, 2019, BoI, Croatia.
  2. Angle-resolved X-ray emission spectroscopy of laser-produced metal plasmas and alloys Kavya H. Rao, N. Smijesh, P. Sankar, R. Philip, I. V. Litvinyuk and R. T. Sang, 23rd Australian Institute of Physics Congress (AIP Congress 2018), Dec 9-13, 2018, Perth, Western Australia.
  3. Changes in the morphology of a picosecond laser-produced plasma by single and double pulse irradiations Kavya H. Rao, N. Smijesh, D. Chetty, I. V. Litvinyuk and R. T. Sang, Siegman International School on Lasers, July 28-August 4, 2018, Island of Hven, Backafallsbyn, Sweden.
  4. Characterization of laser-produced plasma using fast imaging Kavya H. Rao, N. Smijesh, I. V. Litvinyuk, and R. T. Sang, Conference on Optics, Atoms and Laser Applications (IONS KOALA 2017), Nov 26-Dec 01, 2017, The University of Queensland, Queensland, Australia.
  5. Optimization of laser-plasma dynamics towards high order harmonic generation. N. Smijesh, Kavya H. Rao, D. Chetty, R. T. Sang and I. V. Litvinyuk (ICPEAC 2017, Cairns, Australia).
  6. Plume dynamics of a laser-plasma: single and double pulse schemes Kavya H. Rao, N. Smijesh, D. Chetty, I.V. Litvinyuk and R. T. Sang (ICPEAC 2017, Cairns, Australia).
  7. Characterization of nanosecond laser-produced aluminium plasma for high-order harmonic generation. Kavya H. Rao, N. Smijesh, N. Klemke, R. Philip, I. Litvinyuk and R. T. Sang (Joint 13th Asia Pacific physics conference and 22nd Australian Institute of Physics congress, Dec 4-8, 2016, Brisbane Australia).
  8. Optimization of picosecond laser-generated micro-plasma towards the generation of bright, coherent EUV sources. Smijesh, Kavya H. Rao, R. T. Sang and I. Litvinyuk, (Joint 13th Asia Pacific physics conference and 22nd Australian Institute of Physics congress, December 4-8, 2016, Brisbane Australia).
  9. Comparative study of single and double pulse laser-generated plasma. Dashavir Chetty, N. Smijesh, Kavya H. Rao, Robert Sang, Igor Litvinyuk (Joint 13th Asia Pacific physics conference and 22nd Australian Institute of Physics congress, December 4-8, 2016, Brisbane Australia).
  10. Investigation of ps laser-produced Cr plasma: Single vs double-pulse method. Chetty, Kavya H. Rao, N. Smijesh, R. T. Sang, I. V. Litvinyuk, Conference on Optics, Atoms and Laser Applications (IONS KOALA 2016), November 27-December 2, 2016, Melbourne, Australia ).
  11. Laser produced highly ionized Aluminum plasma for high harmonic generation. N. Smijesh, Kavya H. Rao, N. Klemke, R.Philip, I. Litvinyuk and R. T. Sang (Inter-national Workshop on EUV and Soft X-Ray Sources (2016 SourceWorkshop), November 7-9, 2016, Amsterdam, The Netherlands).
  12. Optimization of Laser-produced Plasma towards the Generation of High-order Harmonics. N. Smijesh, Kavya H. Rao, D. Chetty, R. T. Sang and I. Litvinyuk (International Workshop on EUV and Soft X-Ray Sources (2016 SourceWorkshop), November 7-9, 2016, Amsterdam, The Netherlands).
  13. Optical emission spectroscopic studies of a picosecond laser-produced plasma: Single pulse and double pulse methods. Dashavir Chetty, N. Smijesh, N. Klemke, Kavya H. Rao, D. Laban, James Wood, D. Kielpinski, R. T. Sang, I. V. Litvinyuk, (Conference on Optics, Atoms and Laser Applications (IONS KOALA 2015), November 23-27, 2015, Auckland, New Zealand).
  14. A coherent x-ray source from plasma using high-order harmonic generation. Dane Laban, Smijesh Achary, Nicolai Klemke, James Wood, Dashavir Chetty, David Kielpinski, Igor Litvinyuk, Robert Sang. Bulletin of the American Physical Society 60 (2015).
  15. Spectroscopic studies of Cr VI species in a laser-produced plasma. Nicolai Klemke, Smijesh Nadarajan, Dane Laban, James Wood, Dashavir Chetty, David Kielpinski, Igor Litvinyuk, Robert Sang, Bulletin of the American Physical Society 60 (2015).
  16. Ultrafast laser-induced plasmas for nanoparticle generation: Comparison with conventional chemical routes. Smijesh, Kavya. H. Rao, P. Sreekanth and R. Philip. (International Conference on Frontiers in Nano Science, Technology and Applications.FINSTA-2014, India).
  17. Short and ultrafast laser-produced Aluminum plasma: A fluence dependent study. Pranitha Sankar, Jijil JJ Nivas, N. Smijesh, Reji Philip (Conference proceedings of 29th National Symposium on plasma science and Technology- Plasma 2014, India).
  18. Expansion dynamics of laser-produced Zn plasma: Short pulse and ultrafast excitation. N. Smijesh, Anitta R. Thomas, Kavya H. Rao and Reji Philip (Conference proceedings of 29th National Symposium on plasma science and Technology- Plasma 2014, India).
  19. Optical Time of ight measurements of laser-produced metal plasmas: Short pulse and ultrafast excitations.  N. Smijesh, K. Chandrasekharan, Reji Philip (Conference proceedings of 24th Swadeshi Science Congress, National Seminar, Kerala, India).
  20. Acceleration of neutrals in an expanding laser-produced Zn plasma. N. Smijesh, Kavya H. Rao and Reji Philip (Conference proceedings of the Theme meeting on ultrafast science (UFS)- 2014, DAE- BRNS, India).
  21. Inuence of laser pulse width on the emission dynamics of laser-produced Zn plasma in nitrogen ambient.  N. Smijesh, K. Chandrasekharan, Reji Philip (Conference proceedings of National Laser Symposium- 22, DAE- BRNS, India).
  22. Time-resolved spectroscopy of CI and CII line emissions from an ultrafast laser-produced solid graphite plasma.  N. Smijesh, K. Chandrasekharan, R. Philip, AIP conf. Proc. 1620, 517 (2014).
  23. Indigo carmine dye polymer nanocomposite films for optical limiting applications. Sreeja, S. Mayadevi, S. R. Suresh, P. G. L. Frobel, N. Smijesh, R. Philip, C. I. Muneera, AIP Conf. Proc. 1391, 618 (2011).
  24. Thermal diffusivity measurements of dental resin using photo-acoustic effect. N. Smijesh, L. K. Joseph, A. Kurien, V. P. N. Nampoori, IEEE-ICIAS-2007 (DOI:10.1109 ICIAS.2007.4658397).

Invited Talks

  1. Optimization of laser-produced plasma for high-order harmonic generation’ at the Dept. of Physics, Umea University, Ume_a, Sweden on 21 Fab 2018.
  2. High-order harmonic generation and Attosecond Physics’ at the Dept. of Optoelectronics, University of Kerala, Thiruvananthapuram, India on 14 Nov 2017
  3. Spectroscopy and optical time of flight studies of laser-produced metal plasmas: short pulse and ultrafast excitations’ at the Raman Research Institute, Bangalore, India. on 10 Sept 2014.

Academic Achievements

Successful in achieving the Griffith University Postdoctoral Fellowship (GUPF) grant in 2015.

Best poster award for the poster titled \Laser produced plasma emission studies in solid targets” N. Smijesh, M. Sha Ollakkan, and R. Philip, in the Fifth SERB school on Tokamaks and magnetized Plasma Fusion, held during 25 Feb 2013 to 15 Mar 2013 at the Institute for Plasma Research, Gandhinagar, India (http://www.serb.gov.in).

Qualified GATE (Graduate Aptitude Test in Engineering, a national level test conducted in India) in 2007.

Other Affiliations

Adjunct Research Fellow
Australian Attosecond Science Facility
Centre for Quantum Dynamics
Griffith University, Australia-4111