Coherent broadband light effects in grating spectrometer studies of emission from alkali atoms at surfaces
作者： Leif Holmlid
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摘要: With ordinary grating spectrometers, strong bands that are due to broadband coherent light emission from samples containing various amounts of alkali atoms can be observed. The is proposed emitted by the Rydberg states easily formed in these systems. edges observed at angles corresponding low numbers standing waves along surface and perpendicular it. This type band both with thermal sources created pulsed laser light, it only s-polarized (TE-mode) light. intensities independent entrance slit width spectrometer, which shows interference effects exist. number fringes on top most intense directly proportional slit. time-resolved signal large photon peaks bursts within 2 μs, probably lifetime emitting clusters.
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