Contact: JordanReese
jor310@lehigh.edu
215-758-6656
Lehigh University
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