Clocking Dissociative Above-Threshold Double Ionization of H 2 in a Multicycle Laser Pulse
The dissociative above-threshold double ionization (ATDI) of H2 in strong laser fields involves the sequential releasing of two electrons at specific instants with the stretching of the molecular bond. By mapping the releasing instants of two electrons to their emission directions in a multicycle po...
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| Veröffentlicht in: | Physical review letters 2021-02, Vol.126 (6), p.1, Article 063201 |
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| creator | Pan, Shengzhe Zhang, Wenbin Li, Hui Lu, Chenxu Zhang, Weihua Ji, Qinying Li, Hanxiao Sun, Fenghao Qiang, Junjie Chen, Fei Tong, Jihong Zhou, Lianrong Jiang, Wenyu Gong, Xiaochun Lu, Peifen Wu, Jian |
| description | The dissociative above-threshold double ionization (ATDI) of H2 in strong laser fields involves the sequential releasing of two electrons at specific instants with the stretching of the molecular bond. By mapping the releasing instants of two electrons to their emission directions in a multicycle polarization-skewed femtosecond laser pulse, we experimentally clock the dissociative ATDI of H2 via distinct photon-number-resolved pathways, which are distinguished in the kinetic energy release spectrum of two protons measured in coincidence. The timings of the experimentally resolved dissociative ATDI pathways are in good accordance with the classical predictions. Our results verify the multiphoton scenario of the dissociative ATDI of H2 in both time and energy fashion, strengthening the understanding of the strong-field phenomenon and providing a robust tool with a subcycle time resolution to clock abundant ultrafast dynamics of molecules. |
| doi_str_mv | 10.1103/PhysRevLett.126.063201 |
| format | Article |
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By mapping the releasing instants of two electrons to their emission directions in a multicycle polarization-skewed femtosecond laser pulse, we experimentally clock the dissociative ATDI of H2 via distinct photon-number-resolved pathways, which are distinguished in the kinetic energy release spectrum of two protons measured in coincidence. The timings of the experimentally resolved dissociative ATDI pathways are in good accordance with the classical predictions. 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By mapping the releasing instants of two electrons to their emission directions in a multicycle polarization-skewed femtosecond laser pulse, we experimentally clock the dissociative ATDI of H2 via distinct photon-number-resolved pathways, which are distinguished in the kinetic energy release spectrum of two protons measured in coincidence. The timings of the experimentally resolved dissociative ATDI pathways are in good accordance with the classical predictions. Our results verify the multiphoton scenario of the dissociative ATDI of H2 in both time and energy fashion, strengthening the understanding of the strong-field phenomenon and providing a robust tool with a subcycle time resolution to clock abundant ultrafast dynamics of molecules.</description><subject>Chemical bonds</subject><subject>Electrons</subject><subject>Femtosecond pulses</subject><subject>Ionization</subject><subject>Kinetic energy</subject><subject>Lasers</subject><issn>0031-9007</issn><issn>1079-7114</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNpNkE9LwzAchoMoOKdfQQKeO_NL2mQ5jvlng4pD5sVLSNPUZdZmJu1gfnoj8-DpvTy8L--D0DWQCQBht6vNIb7YfWn7fgKUTwhnlMAJGgERMhMA-SkaEcIgk4SIc3QR45YQktDpCL3NW28-XPeO71yM3jjdu73Fs8rvbbbeBBs3vq3xnR-q1uKl79x3InyHfYMXmGLXYY2fhrZ35mASUepoA14NbbSX6KzRKa_-coxeH-7X80VWPj8u57MyMxRYnxVQ0HSjqKhhIHXFCyFERSljRV3bPJ9aYjkzuaRgKiFrZmuuKyMLJonQzZSN0c2xdxf812Bjr7Z-CF2aVDSXueQgU_8Y8SNlgo8x2EbtgvvU4aCAqF-P6p9HleSoo0f2A1WOaEA</recordid><startdate>20210212</startdate><enddate>20210212</enddate><creator>Pan, Shengzhe</creator><creator>Zhang, Wenbin</creator><creator>Li, Hui</creator><creator>Lu, Chenxu</creator><creator>Zhang, Weihua</creator><creator>Ji, Qinying</creator><creator>Li, Hanxiao</creator><creator>Sun, Fenghao</creator><creator>Qiang, Junjie</creator><creator>Chen, Fei</creator><creator>Tong, Jihong</creator><creator>Zhou, Lianrong</creator><creator>Jiang, Wenyu</creator><creator>Gong, Xiaochun</creator><creator>Lu, Peifen</creator><creator>Wu, Jian</creator><general>American Physical Society</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0001-6239-0225</orcidid></search><sort><creationdate>20210212</creationdate><title>Clocking Dissociative Above-Threshold Double Ionization of H 2 in a Multicycle Laser Pulse</title><author>Pan, Shengzhe ; Zhang, Wenbin ; Li, Hui ; Lu, Chenxu ; Zhang, Weihua ; Ji, Qinying ; Li, Hanxiao ; Sun, Fenghao ; Qiang, Junjie ; Chen, Fei ; Tong, Jihong ; Zhou, Lianrong ; Jiang, Wenyu ; Gong, Xiaochun ; Lu, Peifen ; Wu, Jian</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c213t-51521035b2c319ab65777b22335dde448e0e63c4921cb79d3ed6abc953907af83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Chemical bonds</topic><topic>Electrons</topic><topic>Femtosecond pulses</topic><topic>Ionization</topic><topic>Kinetic energy</topic><topic>Lasers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pan, Shengzhe</creatorcontrib><creatorcontrib>Zhang, Wenbin</creatorcontrib><creatorcontrib>Li, Hui</creatorcontrib><creatorcontrib>Lu, Chenxu</creatorcontrib><creatorcontrib>Zhang, Weihua</creatorcontrib><creatorcontrib>Ji, Qinying</creatorcontrib><creatorcontrib>Li, Hanxiao</creatorcontrib><creatorcontrib>Sun, Fenghao</creatorcontrib><creatorcontrib>Qiang, Junjie</creatorcontrib><creatorcontrib>Chen, Fei</creatorcontrib><creatorcontrib>Tong, Jihong</creatorcontrib><creatorcontrib>Zhou, Lianrong</creatorcontrib><creatorcontrib>Jiang, Wenyu</creatorcontrib><creatorcontrib>Gong, Xiaochun</creatorcontrib><creatorcontrib>Lu, Peifen</creatorcontrib><creatorcontrib>Wu, Jian</creatorcontrib><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Physical review letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pan, Shengzhe</au><au>Zhang, Wenbin</au><au>Li, Hui</au><au>Lu, Chenxu</au><au>Zhang, Weihua</au><au>Ji, Qinying</au><au>Li, Hanxiao</au><au>Sun, Fenghao</au><au>Qiang, Junjie</au><au>Chen, Fei</au><au>Tong, Jihong</au><au>Zhou, Lianrong</au><au>Jiang, Wenyu</au><au>Gong, Xiaochun</au><au>Lu, Peifen</au><au>Wu, Jian</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Clocking Dissociative Above-Threshold Double Ionization of H 2 in a Multicycle Laser Pulse</atitle><jtitle>Physical review letters</jtitle><date>2021-02-12</date><risdate>2021</risdate><volume>126</volume><issue>6</issue><spage>1</spage><pages>1-</pages><artnum>063201</artnum><issn>0031-9007</issn><eissn>1079-7114</eissn><abstract>The dissociative above-threshold double ionization (ATDI) of H2 in strong laser fields involves the sequential releasing of two electrons at specific instants with the stretching of the molecular bond. By mapping the releasing instants of two electrons to their emission directions in a multicycle polarization-skewed femtosecond laser pulse, we experimentally clock the dissociative ATDI of H2 via distinct photon-number-resolved pathways, which are distinguished in the kinetic energy release spectrum of two protons measured in coincidence. The timings of the experimentally resolved dissociative ATDI pathways are in good accordance with the classical predictions. Our results verify the multiphoton scenario of the dissociative ATDI of H2 in both time and energy fashion, strengthening the understanding of the strong-field phenomenon and providing a robust tool with a subcycle time resolution to clock abundant ultrafast dynamics of molecules.</abstract><cop>College Park</cop><pub>American Physical Society</pub><doi>10.1103/PhysRevLett.126.063201</doi><orcidid>https://orcid.org/0000-0001-6239-0225</orcidid></addata></record> |
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| subjects | Chemical bonds Electrons Femtosecond pulses Ionization Kinetic energy Lasers |
| title | Clocking Dissociative Above-Threshold Double Ionization of H 2 in a Multicycle Laser Pulse |
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