We measured tunable interband and intraband transitions in graphene using infrared spectroscopy. Graphene electrons have strong intraband absorption at terahertz frequency range. The absorption spectrum is described by the Drude model.
© 2011 OSA
F. Wang, "Intraband Optical Transitions in Graphene," in CLEO:2011 - Laser Applications to Photonic Applications, OSA Technical Digest (CD) (Optical Society of America, 2011), paper QFE1.
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