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Contact: JordanReese
Lehigh University

Trapping A Rainbow

Caption: Microscope images of graded gratings with different gradients. In this measurement, three filters are employed: (a) A multi-band filter (Semrock, transmission bands centered at 542nm and 639nm). (b) A green filter centered at 546nm (bandwidth 6nm). (c) A red filter centered at 655nm (bandwidth 12nm).

Credit: Filbert J. Bartoli, Lehigh University

Usage Restrictions: Please credit investigator and University

Related news release: Trapping a rainbow: Lehigh researchers slow broadband light waves with nanoplasmonic structures

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