Ajith Kumar G Email & Phone Number

China

•Formulation of new silica glass compositions for high power near infrared fiber laser applications

India

•Developed laser induced breakdown spectroscopy (LIBS) techniques to explore the compositions of unknown substances.

United States

● Synthesized several efficient infrared sensitive materials for energy, lighting, laser, medical imaging, and sensing applications.● Explored depth-resolved multispectral sub-surface animal imaging and therapy using multifunctional infrared sensitive phosphors with paramagnetic properties.● Lectured on various Physics courses such as university physics, conceptual physics, mathematical physics, spectroscopy, non-linear optics, nanotechnology and laboratory physics to approximately 400 students.● Mentored undergraduate, graduate and PhD students.

United States

•Invented several new phosphor compositions for X-ray and infrared imaging.•Introduced the concept of infrared photodynamic therapy jointly with university of Pennsylvania medical group.•Successfully conducted several infrared photodynamic therapy experiments in various cancel cells and animal models.•Scaled up mass production of various size/shape controlled (nano and micron size) upconversion and optical memory phosphors.•Commercialized surface functionalized optical biomarkers through Sigma Aldrich (brand name Sunstone upconversion phosphor).•Commercialization agreement with Invista consumer products for anti-counterfeiting applications.•Developed near anti-counterfeiting solutions for various consumer products in the US.

United States

•Developed several ultraviolet and near infrared excited materials with specific static and dynamic signatures for anti-counterfeiting applications and scaled up for mass production. •Developed new materials to protect authenticity of a major bank document.

United States

•Managed the optics and spectroscopy laboratories.•Supervised under graduates, graduates and PhD students.•Developed several new lanthanide doped nanophosphor compositions and tested for various applications such as Hg-free white light, composite planar waveguides, ceramic lasers and military applications.•1550nm optical gain was first observed in nanocomposite planar waveguide.•A new class of highly fluorescent lanthanide cluster compound was invented and patented.•Developed method of preparing efficient infrared emitting materials and its applications (patent pending).

Tokyo, Japan

•Worked on the first polycrystalline Nd: YAG and Nd: Y2O3 high power ceramic laser project and developed the first Nd: YAG microchip laser.

Mexico

• Head of the laser glass projects.• Studied the optical properties of several novel rare earth doped glasses for laser applications.• Dye doped plastic optical fibers are fabricated and the spectroscopic properties are studied.• Monte Carlo modeling of the energy transfer process in lanthanide doped materials.

India

•Worked on the linear and non-linear optical properties of organic semiconductors such as phthalocyanines, naphthalocyanines and porphyrines in various solvents, thin film and amorphous media.•Theoretical and experimental analysis of energy transfer and photo physical properties of various dye molecular pairs in solvents and polymer matrix.•Taught fiber optics, non-linear optics and quantum electronics.•Supervised MS and PhD students.

Doctor Of Philosophy - Phd, Physics

Time resolved spectroscopy and energy transfer process in optical materials under laser excitation.

Master'S Degree, Physics

Bachelor'S Degree, Physics