Scientists Shrink a Lab Spectrometer to the Size of a Grain of Sand

A new chip-scale spectrometer challenges the long-standing reliance on bulky optical systems by replacing physical light ...
Nanowerk

When light is the switch: nanometric photodiodes to study the activity of neurons

(Nanowerk News) In a novel approach, a new study at SISSA (Science Advances, "Distributed interfacing by nanoscale photodiodes enables single neuron light-activation and sensory enhancement in 3D ...
EurekAlert!

USTC researchers develop the first miniaturized ultraviolet spectrometer and spectral imager

Design and working principle of the miniaturized UV spectrometer. (a) Conceptual schematic of the GaN-based cascaded photodiode architecture. (b) Device structure consisting of two vertically cascaded ...
Optics

UC Davis shrinks spectrometer for diagnostics and sensing

A project at the University of California, Davis (UC Davis) has developed a compact spectrometer-on-a-chip that could enhance hyperspectral sensing operations. As described in Advanced Photonics the ...