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Design and Numerical Simulation of Dielectric Photonic Crystal Devices and Investigation of an Optical Characterization Method
In this research work, dielectric photonic crystal (PhC) structures based on low refractive index slab waveguide are investigated. These two-dimensional slab waveguide PhC structures work on the principle of guided-mode resonance and find their application in optical filters operated in the near-infrared range. The design and numerical simulation of the presented PhCs are carried out using finite-difference time-domain (FDTD) method. The dielectric materials used in the presented structures are zirconium dioxide/niobium ...
Optical Sensor Array based Nanospectrometer: Fabrication of high resolution 3D NanoImprint master templates and bonding of Fabry-Pérot filter array onto photodetector array
In the field of optical spectroscopy, spectrometers are high resolution optical sensors that have emerged as a platform for a wide range of application fields. Commercially available spectrometers are bulky and expensive. Hence, this limits its integration into modern mobile and wearable devices. To overcome this limitation, miniaturization of spectrometers is an interesting target for a wide range of emerging applications. The most attractive concept of fabricating miniaturized spectrometers is the Fabry-Pérot filter ...