A spectrometer’s job is to split a pencil-sized beam of starlight into a rainbow of constituent colors and then measure very accurately the positions of dark “absorption lines” in the rainbow. The new ...

The compact infrared spectrometer developed by researchers at ETH Zurich -- described this week in the journal Nature Photonics-- promises to change that.. The new chip, measuring two centimeters ...

The new spectrometer will bring within reach one of astronomy’s longest-held goals: the discovery of an Earth-sized planet in another solar system. A spectrometer’s job is to split a pencil-sized beam ...