News Dr. Rumpf named to Florida Tech Career Hall of FameNovember 9, 2020 Ever wonder why diffraction order exist only at discrete angles?October 6, 2020 The EMProfessor visits Bangkok UniversityOctober 6, 2020 Direction of diffraction orders from crossed diffraction gratingsMarch 28, 2020 Dr. Raymond C. Rumpf named a 2020 SPIE FellowMarch 28, 2020