Reshaping of intense laser pulse with a capillary Export

@article{citeulike:6060579, abstract = {The reshaping of intense laser pulse by vacuum capillary is studied by particle-in-cell simulation. It is shown that as an intense laser pulse propagates from free space into a capillary, its profile is reshaped due to laser-plasma interaction near the entrance of capillary. As a result, the free-space mode is self-consistently converted into a capillary mode. Only the relatively low-intensity periphery of the reshaped pulse interacts with the capillary-wall plasma, so that the high-intensity center of the pulse can propagate in the narrow vacuum channel over a distance much larger than the Rayleigh length. The mechanism is then applied to reshape a radially imperfect laser pulse having two wings around the center spot. Most of the output light energy is concentrated in the center spot, and the wings are almost completely removed. That is, the quality of the laser pulse can be greatly improved by a capillary.}, author = {Cao, Lihua and Yu, Wei and Yu, M. Y. and Wang, Xin and Gu, Yuqiu and He, X. T.}, citeulike-article-id = {6060579}, citeulike-linkout-0 = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PHPAEN000016000009093109000001&idtype=cvips&gifs=yes}, citeulike-linkout-1 = {http://link.aip.org/link/?PHP/16/093109}, citeulike-linkout-2 = {http://dx.doi.org/10.1063/1.3224903}, day = {15}, doi = {10.1063/1.3224903}, journal = {Physics of Plasmas}, keywords = {capillary, focusing, gas, guiding, laser, mode, pulse, shaping, underdense}, month = {September}, number = {9}, pages = {093109+}, posted-at = {2009-11-03 15:57:10}, priority = {2}, publisher = {AIP}, title = {Reshaping of intense laser pulse with a capillary}, url = {http://dx.doi.org/10.1063/1.3224903}, volume = {16}, year = {2009} }

TY - JOUR ID - citeulike:6060579 L3 - citeulike-article-id:6060579 N2 - The reshaping of intense laser pulse by vacuum capillary is studied by particle-in-cell simulation. It is shown that as an intense laser pulse propagates from free space into a capillary, its profile is reshaped due to laser-plasma interaction near the entrance of capillary. As a result, the free-space mode is self-consistently converted into a capillary mode. Only the relatively low-intensity periphery of the reshaped pulse interacts with the capillary-wall plasma, so that the high-intensity center of the pulse can propagate in the narrow vacuum channel over a distance much larger than the Rayleigh length. The mechanism is then applied to reshape a radially imperfect laser pulse having two wings around the center spot. Most of the output light energy is concentrated in the center spot, and the wings are almost completely removed. That is, the quality of the laser pulse can be greatly improved by a capillary. IS - 9 JF - Physics of Plasmas TI - Reshaping of intense laser pulse with a capillary PB - AIP VL - 16 SP - 093109 KW - capillary KW - focusing KW - gas KW - guiding KW - laser KW - mode KW - pulse KW - shaping KW - underdense AU - Cao, Lihua AU - Yu, Wei AU - Yu, MY AU - Wang, Xin AU - Gu, Yuqiu AU - He, XT PY - 2009/09/15/ UR - http://dx.doi.org/10.1063/1.3224903 ER -