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| 1 | Metasurface-based multi-harmonic freeelectron light source显示文摘Metasurfaces are subwavelength spatial variations in geometry and material where the structures are of negligible thickness compared to the wavelength of light and are optimized for far-field applications,such as controlling the wavefronts of electromagnetic waves.Here,we investigate the potential of the metasurface near-field profile,generated by an incident few-cycle pulse laser,to facilitate the generation of high-frequency light from free electrons.In particular,the metasurface near-field contains higher-order spatial harmonics that can be leveraged to generate multiple higher-harmonic X-ray frequency peaks.We show that the X-ray spectral profile can be arbitrarily shaped by controlling the metasurface geometry,the electron energy,and the incidence angle of the laser input.Using ab initio simulations,we predict bright and monoenergetic X-rays,achieving energies of 30 keV(with harmonics spaced by 3 keV)from 5-MeV electrons using 3.4-eV plasmon polaritons on a metasurface with a period of 85 nm.As an example,we present the design of a four-color X-ray source,a potential candidate for tabletop multicolor hard X-ray spectroscopy.Our developments could help pave the way for compact multi-harmonic sources of high-energy photons,which have potential applications in industry,medicine,and the fundamental sciences. | Gilles Rosolen Liang Jie Wong Nicholas Rivera Bjorn Maes Marin Soljačić Ido Kaminer | 2018 | Light(Science & Applications)2018，7，1： | 2 |
| 2 | Novel optical phenomena with photonic crystals显示文摘 | Chiyan Luo Johnson S G Marin Solja | 2004 | Proc of SPIE2004，5166，： | 1 |
| 3 | Thermal emission and design in one-dimensional periodic metallic photonic crystal slabs 显示文摘 | David L Chan Marin Solja J D Joannopoulos | 2006 | Physical Review E2006，74，01： | 1 |
| 4 | Efficient Wireless Non-radioactive Mid-range Energy Transfer显示文摘 | Aristeidis Karalis Joannopoukxs J D Marin Solja vic | 2008 | Annals Of Physics2008，323，1： | 1 |
| 5 | Direct calculation of thermal emission for three-dimensionally periodic photonic crystal slabs显示文摘 | David L Chan Marin Solja J D Joannopoulos | 2006 | Physical Review E2006，74，03： | 1 |
| 6 | Efficient weakly-radiative wireless energy transfer: An EIT-like approach显示文摘 | Rafif E. Hamam Aristeidis Karalis J.D. Joannopoulos Marin Solja?i? | 2009 | Annals of Physics2009，，8： | 1 |
| 7 | Efficient wireless non-radiative mid-range energy transfer显示文摘 | Aristeidis Karalis J.D. Joannopoulos Marin Solja?i? | 2007 | Annals of Physics2007，，1： | 1 |
| 8 | Efficient wireless non-radiative mid-range energy transfer显示文摘 | Aristeidis Karalis J.D. Joannopoulos Marin Solja?i? | 2007 | Annals of Physics2007，，1： | 1 |
| 9 | Efficient weakly-radiative wireless energy transfer: An EIT-like approach显示文摘 | Rafif E. Hamam Aristeidis Karalis J.D. Joannopoulos Marin Solja?i? | 2009 | Annals of Physics2009，，8： | 1 |
| 10 | Efficient wireless non-radiative mid-range energy transfer显示文摘 | Aristeidis Karalis J.D. Joannopoulos Marin Solja?i? | 2007 | Annals of Physics2007，，1： | 1 |
| 11 | Efficient wireless non-radiative mid-range energy transfer显示文摘 | Aristeidis Karalis J.D. Joannopoulos Marin Solja?i? | 2007 | Annals of Physics2007，，1： | 1 |
| 12 | Efficient wireless non-radiative mid-range energy transfer显示文摘 | Aristeidis Karalis J.D. Joannopoulos Marin Solja?i? | 2007 | Annals of Physics2007，，1： | 1 |
| 13 | Efficient wireless non-radiative mid-range energy transfer显示文摘 | Aristeidis Karalis J.D. Joannopoulos Marin Solja?i? | 2007 | Annals of Physics2007，，1： | 1 |
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