prathul Nath

optical circuits optofluidics rare earth ions co-doped waveguides waveguides europium energy transfer integrated optics microfluidic channel optical tweezers white light biosensors refractive index terbium evanescent wave prism coupling dye optical trapping light coupling dye excitation optics optoelectronics fluidics microfluidics lab on a chip blue led nobel blue led white led led blue nakamura diamond nanostructure diamond nanotechnology nanoscience diamond films thin film