Rydberg excitation of neutral nitric oxide molecules in strong UV and near-IR laser fields
Rydberg state excitations of neutral nitric oxide molecules are studied in strong ultraviolet (UV) and near-infra-red (IR) laser fields using a linear time-of-flight (TOF) mass spectrometer with the pulsed electronic field ionization method. The yield of Rydberg molecules is measured as a function o...
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Veröffentlicht in: | Chinese physics B 2015-06, Vol.24 (6), p.284-287 |
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creator | 吕航 张军峰 左万龙 徐海峰 金明星 丁大军 |
description | Rydberg state excitations of neutral nitric oxide molecules are studied in strong ultraviolet (UV) and near-infra-red (IR) laser fields using a linear time-of-flight (TOF) mass spectrometer with the pulsed electronic field ionization method. The yield of Rydberg molecules is measured as a function of laser intensity and ellipticity, and the results in UV laser fields are compared with those in near-IR laser fields. The present study provides the first experimental evidence of neutral Rydberg molecules surviving in a strong laser field. The results indicate that a rescattering-after-tunneling process is the main contribution to the formation of Rydberg molecules in strong near-IR laser fields, while multi-photon excitation may play an important role in the strong UV laser fields. |
doi_str_mv | 10.1088/1674-1056/24/6/063303 |
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The yield of Rydberg molecules is measured as a function of laser intensity and ellipticity, and the results in UV laser fields are compared with those in near-IR laser fields. The present study provides the first experimental evidence of neutral Rydberg molecules surviving in a strong laser field. 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The yield of Rydberg molecules is measured as a function of laser intensity and ellipticity, and the results in UV laser fields are compared with those in near-IR laser fields. The present study provides the first experimental evidence of neutral Rydberg molecules surviving in a strong laser field. 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subjects | Electronics Excitation Field ionization Formations Lasers Mass spectrometers Nitric oxide Rydberg states UV激光 一氧化氮分子 中性 多光子激发 激光场 紫外线 近红外激光 飞行时间 |
title | Rydberg excitation of neutral nitric oxide molecules in strong UV and near-IR laser fields |
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