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Study of collimating laser diode beam by a graded-index optical fibre

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With an every-electron-count method, we calculate the quantum-confinement induced changes in the small-particle plasmon as manifested in the optical absorption spectrum. The small-particle plasmon, which originates from the local-field modified bulk plasmon, changes for so small particles that the electrons inside are quantum mechanically confined. According to the size and shape of the particle, the quantum confinement can be in one-, two- and three-dimension.

Keywords: Quantum dot; plasmon change

Document Type: Miscellaneous


Affiliations: Centro de Ciencias de la Materia Condensada, Universidad Nacional Autónoma de México, Apartado Postal 2681, CP 22800 Ensenada, Baja California, México

Publication date: 2002-01-01

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