Unnikrishnan V K is Associate Professor in the Department of Atomic and Molecular Physics.


    • Is guide for PhD and postgraduate students for their research/academic project work.
    • Counsels students if and when required and extends all possible help in academic-related matters throughout the course.


Subject Semester / Year
Laser Physics I Semester
Electrodynamics and advanced optics I Semester
General Photonics Lab Course I Semester
Optical Communication and Devices II Semester
Optical measurements III Semester
Femtosecond photonics III Semester


Degree Specialisation Institute Year of passing
PhD Laser Spectroscopy Manipal Academy of Higher Education 2012


Institution / Organisation Designation Role Tenure
Department of Atomic and Molecular Physics Associate Professor 2014 - Till date
Department of Atomic and Molecular Physics Assistant Professor (Senior Scale) 2010- 2014
Department of Atomic and Molecular Physics Lecturer 2008-2010
MAHE-PHILIPS Oral Cancer Project Junior Scientist 2006-2008


Area of Interest

Optical fibres, Optics, Plasma.

Area of Expertise

Lasers, Optical measurements, Laser spectroscopy.

Area of Research

Laser Induced Breakdown Spectroscopy (LIBS)Laser Induced Fluorescence (LIF), Laser based instrumentation, Medical applications of lasers.

Professional Affiliations & Contributions

  • Won best poster award for the paper “Laser Induced Fluorescence Spectroscopy of Soft Tissues of the Oral Cavity”, in DAE Solid State Physics Symposium (SSPS-55), Manipal Academy of Higher Education, 2010, Manipal.
  • Life member of Indian Laser Assocoation (ILA).

Analytical predictive capabilities of Laser Induced Breakdown Spectroscopy (LIBS) with Principal Component Analysis (PCA) for plastic classification

2013-01-01 K S Choudhari Suresh D Kulkarni Rajesh Nayak V B Kartha

2013, Royal Society of Chemistry. A Laser Induced Breakdown Spectroscopy (LIBS) technique has been applied for the identification of four widely used plastics, polyethylene terephthalate (PET), high-density polyethylene (PE), polypropylene (PP) and polystyrene (PS), whose recycling is required from commercial and biosafety points of view.

Salivary Protein Markers- A Non-Invasive Protein Profile based Method for the Early Diagnosis of Oral Pre-malignancy and Malignancy

2013-01-01 Ajeetkumar Patil K S Choudhari Nandita Shenoy Ravikiran Ongole

2013, Journal of Biomedical Optics. An ultra-sensitive hyphenated technique, high-performance liquid chromatography-laser-induced fluorescence detection protein profiling of saliva, is evaluated for early detection and diagnosis of oral premalignancy and malignancy.

Calibration based laser-induced breakdown spectroscopy (LIBS) for quantitative analysis of doped rare earth elements in phosphors

2013-01-01 Rajesh Nayak Praveen Devangad M M Tamboli C Santhosh

2013, Elsevier. Using laser-induced breakdown spectroscopy (LIBS), quantitative analysis of doped rare earth elements (Lanthanum (La) and Neodymium (Nd)) in phosphors has been studied and reported.

Analysis of Trace Elements in Complex Matrices (Soil) by Laser Induced Breakdown Spectroscopy (LIBS)

2013-01-01 Rajesh Nayak Kiran Aithal V B Kartha C Santhosh

2013, RSC Analytical Methods, Royal Society of Chemistry. Direct spectro-chemical analysis of trace elements in complex matrices like minerals and soil is usually difficult because of possible interference from the intense background spectrum of the major components generated in the plasma. Optimisation of the Laser Induced Breakdown Spectroscopy (LIBS) technique is essential for routine analysis of such samples. In the present work, we have shown that low detection limits can be achieved for trace elements like copper, zinc, and calcium in soil samples.

Calibration-free laser-induced breakdown spectroscopy for quantitative elemental analysis of materials

2012-01-01 K Mridul R Nayak K Alti V B Kartha

2012, Pramana Journal of Physics, Springer. The application of calibration-free laser-induced breakdown spectroscopy (CF-LIBS) for quantitative analysis of materials, illustrated by CF-LIBS applied to a brass sample of known composition is presented in this paper.