Ramesh C. Sharma

Ph.D & Post Doctorate

Organizing Committee


Defense Research and Development Organization


  • Active Remote Sensing Technologies for the detection of Bio-and non-bio-aerosols.
  • Remote Photoacoustic sensor for detection of Suspicious Object, Spectrochimica Acta A
  • Standoff UV LIF Spectroscopy for the discrimination of Bio and Non-bioaerosols.
  • Standoff photo-acoustic sensor based on the microphone for the detection of Hazardous molecules.
  • Laser Photoacoustic Sensor for the detection of Hazardous chemicals for Defense application in vapor, liquid, gases and vapor phases.
  • Photoacoustic Sensor for Trace Detection of Post Blast Explosive and Hazardous Molecules, Sensors & Actuators.
  • Ultra-sensitive Photoacoustic Sensor based on Quantum Cascade Laser Spectroscopy.
  • Detection of Ultrasonic Waves using Resonant Cylindrical Cavity for Defence Application.
  • Standoff Detection of Hazardous Molecules for Defense Applications.
  • Laser Equipment for the detection of Chem, Bio and Explosives materials, Technology Focus Magazine.
  • Standoff Detection of Hazardous Chemicals and Explosives using Quantum Cascade Laser Photoacoustic Spectroscopy.
  • I R tunable diode laser absorption spectroscopy ofCl+ CH3I. 
  • Laser-induced fluorescence of Bio-molecules,
  • Quartz enhanced laser photoacoustic sensors for remote sensing Current Science.
  • Standoff Biological agents detection to use ICCD spectrometer and MAPMT detector Spectroscopy  Letters.
  • Standoff Laser Photoacoustic Spectroscopy Technology for homeland security Optics Communications.
  • Laser-Induced Fluorescence Lidar for the detection of biological warfare agents.
  • Bio-molecules detection using Laser-induced fluorescence for UV-LIF-LIDAR Application
  • Measurement of Thermal diffusivity using Photoacoustic Spectroscopy Technology”
  • Mie Lidar in Atmosphere and Cloud Aerosols.
  • Vibrationally selective radiative and non-radiative transitions in gaseous using CARS and SRP-CARS Technique”.
  • Fluorescence Lidar for detection of Biological agents
  • UV laser photolysis/IR diode laser absorption study of the reaction of chlorine atoms with alkane iodide. Studies on the Cl + C2H5I reaction; site-specific abstraction reactions and thermodynamics of adduct formation studied by observation of HCL product.
  • UV- Cavity ring-down spectroscopy of explosive vapor”.
  • Laser Photoacoustic Raman Spectroscopy with stimulated Raman pumping of Hydrogen.
  • Optical Fibre Coupled Optical Coherence Tomography of Aggrecan and Fibrin Solutions.
  • Non-degenerate four-wave mixing in thin films
  • Optical Phase Conjugation in solid thin films.
  • Laser-induced dynamic grating in fluorescein doped boric acid glass thin films
  • Two-coherent-wave coupling in Rhodamine110-doped boric acid glass solid films.
  • Ultrafast (fs) dynamics of nonmaterial in magnetic fields.
  • Cat -CVD and Time of flight mass spectroscopy of SiH4 and TMS.
  • Pulsed Cavity Ring-Down Laser absorption Spectra of Br2Vapour.
  • Cavity Ring-Down Laser Photodissociation Dynamics of CHBr3.
  • Photodissociation of VibratonallyExcited HO2NO2 (2v1 + 390nm).
  • A-X Laser Photoacoustic Spectroscopy of Br2.
  • Evaluation Laser-induced plasma Spectroscopy as Technetium Monitor,
  • Modeling absorption in saturable absorbers in a solid film.
  • Overlapping B-X and Repulsive state non-radiative characteristic of Br2 molecule in the wavelength region 500-540nm”.
  • Spectraldependancephotofragmentation cross-section CHBr3 vapor using the U V cavity ring-down laser absorption spectroscopy”.
  • Polarization-dependent Laser two-photon Optogalvanic signal of Ar -Discharge in a wavelength region.
  • Laser Photoacoustic Spectroscopy of I2Vapour,
  • Advanced Laser Spectroscopy and Applications.


Postdoctoral Qualifications:

  • University of California, San Diego USA
  • Mississippi State University, USA
  • Indian Institute of Technology, Kanpur, India

Doctorate and Postgraduate Qualifications:

  • Ph.D. (Experimental Laser Physics); Full time Regular; From Banaras Hindu University, Varanasi, (Ph.D. Degree awarded -1995).
  • M.Sc. (Physics with Electronics) with First Division
  • B.Sc ( Physics, Chemistry, Maths) with First Division



  • Laser Technology, Laser Spectroscopy, and Chemical Dynamics/Kinetics
  • Nonlinear Optics, Biophotonics Imaging, Optoelectronics Sensors. 
  • Laser material processing, Laser-Induced Plasma Physics, Shock wave, Laser-Induced Nanotechnology,
  • Combustion Diagnostic, Supersonic (Jet –cooled) molecular spectroscopy,
  • Lasers and Spectroscopic Techniques for the field of Defence, Biomedical Sciences and Earth and Atmospheric Sciences, material sciences.
  • Standoff  Techniques Detection of Explosive / HEM Material, Biological, and chemicals
  • Lidar Technology and Laser Remote Sensing, photonics Sensors, Chemical Sensors, Biosensors


  • Sr Visiting Research Fellow: Case Western University, Cleveland, USA
  • Research Fellow, The University of Manchester, United Kingdom
  • Research Fellow; The University of Leeds, United Kingdom
  • Centre of Excellence Fellow, The University of Tokyo, Japan.
  • Project Scientist: IAMS, Academia Sinica, Taipei, Taiwan
  • Postdoctoral Fellow: University of California, San Diego, USA
  • Postdoctoral Fellow: Mississippi State University, USA
  • Postdoctoral Fellow: Indian Institute of Technology, Kanpur India
  • Technology Award: LIDAR Technologies Detection of Chemical and Biological Warfare Agents. (LASTEC, DRDO) 2011
  • Commendation Certificate: Technologies Demonstrated for Standoff ExplosiveDetection from a 20-meter distance ( 2012)
  • Commendation Certificate: Outstanding Work in Design and Development for the Detection of Biological Warfare Agents using UV laser-induced fluorescence spectroscopy (2016)
  • Science Day Invited Oration Award ( February 2019)