[in Chinese], [in Chinese], [in Chinese]. Study of Stark Effect Modulation with Doppler Broadening[J]. Acta Optica Sinica, 1998, 18(10): 1430
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Theory of Stark effect modulation with Doppler broadening is analyzed by the semiclassical theory. Using a density matrix approach the absorption coefficient and modulation depth of NH 3 molecular near an absorption line has been formulated. The characteristic of Stark effect modulations at 10.784 μm was experimentally investigated, modulation depth of 33% at 1 MHz was measured.