8.1 Describe the cortex structure in the peacock’s feather barbules and explain how does it get its striking color pattern.
8.2 Describe the butterfly wing structure and explain how does it get its striking color pattern.
8.3 Comment on the material, spacing and photonic band gap of a photonic crystal of your choice.
8.4 What is the wavelength of the photons being used in optical fiber communication? What is the reason behind this specific wavelength? Which materials are used for making sources and detectors in optical fiber communication and why?
8.5 Comment on the cloaking application of a meta-material of your choice.
8.6 What is a super lens? How nanophotonics is helping in this regard?
8.7 For an electron microscope, \(\lambda = 1\) nm, \(NA = 0.05\), what is the resolution?
8.8 How can the resolution of a microscope be improved in context of the wavelength being used?
8.9 How can the resolution of a microscope be improved in context of the numerical aperture being used?
8.10 Give an example of molecular photonics inspired application.