Nature · 2012 · 236 citations · 36 references
Natural SciencesOceanographyPhysicsOpticsPhotonicsRadiation PhysicsDiffractionX-ray OpticsX-ray SpectroscopyOptical MixingX-ray Imaging OpticsX-ray Refractive Optics
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First lasing and operation of an ångstrom-wavelength free-electron laser
P. Emma, R. Akre, John Arthur et al. · Nature Photonics · 2010 · 3.1K citations
Natural Sciences, Physics, Optics +10
Quantum Theory of the Dielectric Constant in Real Solids
Stephen L. Adler · Physical Review · 1962 · 1.2K citations