Time-Resolved Shadowgraphs of Material Ejection in Intense Femtosecond Laser Ablation of Aluminum

by: Nan Zhang, Xiaonong Zhu, Jianjun Yang, Xiaolei Wang, Mingwei Wang

Physical Review Letters, Vol. 99, No. 16. (2007)

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Abstract

The dynamic process of intense 50 fs laser ablation of aluminum is investigated by ultrafast time-resolved microscopy. A stripe pattern preceding phase explosion is clearly seen in the shadowgraph of 1 ns time delay. Intermittent material ejections are observed within the ejected plume after 2.5 and 7 ns time delay, respectively, which may be attributed to the material response to the generation of an extremely strong thermoelastic wave. Similar processes are also recorded in the ablation of silicon and glass samples, except for the glass samples, the intermittent material ejections are not found.

@article{citeulike:2751731, abstract = {The dynamic process of intense 50\ fs laser ablation of aluminum is investigated by ultrafast time-resolved microscopy. A stripe pattern preceding phase explosion is clearly seen in the shadowgraph of 1\ ns time delay. Intermittent material ejections are observed within the ejected plume after 2.5 and 7\ ns time delay, respectively, which may be attributed to the material response to the generation of an extremely strong thermoelastic wave. Similar processes are also recorded in the ablation of silicon and glass samples, except for the glass samples, the intermittent material ejections are not found.}, author = {Zhang, Nan and Zhu, Xiaonong and Yang, Jianjun and Wang, Xiaolei and Wang, Mingwei }, citeulike-article-id = {2751731}, doi = {10.1103/PhysRevLett.99.167602}, journal = {Physical Review Letters}, keywords = {2007, focus, material, nano, people}, number = {16}, posted-at = {2008-05-04 00:48:24}, priority = {2}, publisher = {APS}, title = {Time-Resolved Shadowgraphs of Material Ejection in Intense Femtosecond Laser Ablation of Aluminum}, url = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal\&id=PRLTAO000099000016167602000001\&idtype=cvips\&gifs=yes}, volume = {99}, year = {2007} }

RIS record

TY - JOUR ID - citeulike:2751731 TI - Time-Resolved Shadowgraphs of Material Ejection in Intense Femtosecond Laser Ablation of Aluminum JF - Physical Review Letters VL - 99 IS - 16 PB - APS N2 - The dynamic process of intense 50 fs laser ablation of aluminum is investigated by ultrafast time-resolved microscopy. A stripe pattern preceding phase explosion is clearly seen in the shadowgraph of 1 ns time delay. Intermittent material ejections are observed within the ejected plume after 2.5 and 7 ns time delay, respectively, which may be attributed to the material response to the generation of an extremely strong thermoelastic wave. Similar processes are also recorded in the ablation of silicon and glass samples, except for the glass samples, the intermittent material ejections are not found. KW - 2007 KW - focus KW - material KW - nano KW - people AU - Zhang, Nan AU - Zhu, Xiaonong AU - Yang, Jianjun AU - Wang, Xiaolei AU - Wang, Mingwei PY - 2007/// UR - http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PRLTAO000099000016167602000001&idtype=cvips&gifs=yes ER -

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