Near-field photon confinements

A. Photon Confinements in the Near-Field Evanescent Field as a... [Pg.239]

DUV spectroscopy includes several techniques, such as absorption and scattering spectroscopy, vibrational spectroscopy, photoluminescence, and plasmonically enhanced spectroscopy. This spectroscopic technique has been applied to materials that specifically interact with photons with DUV energies. The methods are not confined to component analysis, but have also been extended to microscopy (Chap. 7) and nanoscopy (near-field microscopy. Chap. 8), although the field is still in its infancy. [Pg.10]

Fig. 2. Schematic diagram of the apparatus. The superconducting magnetic coils create trapping potential that confines atoms near the focus of the 243 nm laser beam. The beam is focused to a 50 pm waist radius and retro-reflected to allow for Doppler-free excitation. After excitation, fluorescence is induced by an applied electric field. A small fraction of the 122 nm fluorescence photons are counted on a microchannel plate detector. Not shown is the trapping cell which surrounds the sample and is thermally anchored to a dilution refrigerator. The actual trap is longer and narrower than indicated in the diagram...

$Fig. 2. Schematic diagram of the apparatus. The superconducting magnetic coils create trapping potential that confines atoms near the focus of the 243 nm laser beam. The beam is focused to a 50 pm waist radius and retro-reflected to allow for Doppler-free excitation. After excitation, fluorescence is induced by an applied electric field. A small fraction of the 122 nm fluorescence photons are counted on a microchannel plate detector. Not shown is the trapping cell which surrounds the sample and is thermally anchored to a dilution refrigerator. The actual trap is longer and narrower than indicated in the diagram...$

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