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Summary form only given. We present some results of rigorous calculations for a photonic crystal film positioned between two semi-infinite regions of uniform refractive index, where the photonic crystal film itself is a triangular lattice of cylindrical holes etched into a medium having a higher refractive index than the semi-infinite regions. We start by considering a photonic crystal film of infinite...
Summary form only given. To understand the fundamental properties of an atom, precise measurement of the atomic resonance frequency is important. The main factor that restricts the precision is the spectral broadening. Spectral narrowing by recurrent use of free decay signal in magnetic resonance was proposed and demonstrated in the ground state of Rb atoms. In the present report we apply this technique...
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