Strong terahertz radiation from air plasmas generated by an aperture-limited Gaussian pump laser beam Export

@article{citeulike:4505417, abstract = {Terahertz radiation generated by focusing the fundamental laser pulse and its second harmonic into ambient air strongly saturates with increasing pump laser energy. We demonstrate a simple method to control the Gaussian pump laser beam to improve the output of terahertz radiation with an adjustable aperture. With the optimal aperture-limited pump laser beams, the terahertz wave amplitudes can be enhanced by more than eight times depending on the pump laser parameters than those of aperture-free cases.}, author = {Peng, Xiao Y. and Li, Chun and Chen, Min and Toncian, Toma and Jung, Ralph and Willi, Oswald and Li, Yu T. and Wang, Wei M. and Wang, Shou J. and Liu, Feng and Pukhov, Alexander and Sheng, Zheng M. and Zhang, Jie}, citeulike-article-id = {4505417}, citeulike-linkout-0 = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=APPLAB000094000010101502000001&idtype=cvips&gifs=yes}, citeulike-linkout-1 = {http://link.aip.org/link/?APL/94/101502}, citeulike-linkout-2 = {http://dx.doi.org/10.1063/1.3098357}, day = {12}, doi = {10.1063/1.3098357}, journal = {Applied Physics Letters}, keywords = {air, aperture, beam, control, emission, gaussian, generation, harmonic, laser, plasma, propagation, pulse, pump, second, terahertz}, month = {March}, number = {10}, pages = {101502+}, posted-at = {2009-05-12 17:09:36}, priority = {2}, publisher = {AIP}, title = {Strong terahertz radiation from air plasmas generated by an aperture-limited Gaussian pump laser beam}, url = {http://dx.doi.org/10.1063/1.3098357}, volume = {94}, year = {2009} }

TY - JOUR ID - citeulike:4505417 L3 - citeulike-article-id:4505417 N2 - Terahertz radiation generated by focusing the fundamental laser pulse and its second harmonic into ambient air strongly saturates with increasing pump laser energy. We demonstrate a simple method to control the Gaussian pump laser beam to improve the output of terahertz radiation with an adjustable aperture. With the optimal aperture-limited pump laser beams, the terahertz wave amplitudes can be enhanced by more than eight times depending on the pump laser parameters than those of aperture-free cases. IS - 10 JF - Applied Physics Letters TI - Strong terahertz radiation from air plasmas generated by an aperture-limited Gaussian pump laser beam PB - AIP VL - 94 SP - 101502 KW - air KW - aperture KW - beam KW - control KW - emission KW - gaussian KW - generation KW - harmonic KW - laser KW - plasma KW - propagation KW - pulse KW - pump KW - second KW - terahertz AU - Peng, Xiao AU - Li, Chun AU - Chen, Min AU - Toncian, Toma AU - Jung, Ralph AU - Willi, Oswald AU - Li, Yu AU - Wang, Wei AU - Wang, Shou AU - Liu, Feng AU - Pukhov, Alexander AU - Sheng, Zheng AU - Zhang, Jie PY - 2009/03/12/ UR - http://dx.doi.org/10.1063/1.3098357 ER -