Stephen Holler

Stephen Holler is an Associate Professor of Physics at Fordham University, specializing in optical physics and environmental sensing. His laboratory in Freeman Hall supports research in aerosol analysis, biomedical spectroscopy, and citizen science applications.

Research focuses on developing optical techniques for particle characterization, environmental monitoring, and medical diagnostics. Recent work emphasizes citizen science projects addressing environmental justice through air quality monitoring.

Publications demonstrate strong interdisciplinary trends across optical engineering, environmental science, and biomedical applications. Techniques include whispering gallery mode sensors, digital holography, and Raman spectroscopy applied to atmospheric particles and cancer diagnostics.