Meta-lenses bring benchtop performance to small, hand-held spectrometer
(PHYSorg.com Physics)

A research team of physicists from Harvard University has developed new hand-held spectrometers capable of the same performance as large, benchtop instruments. The researchers` innovation explained this week in APL Photonics, derives from their groundbreaking work in meta-lenses. The hand-held spectrometers offer real promise for applications ranging from health care diagnostics to environmental and food monitoring.