Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Spectroscopy systems. (a) Conventional system with excitation and collection fibers, white-light and UV illumination sources, spectrograph and CCD for detection. (b) Miniaturized system with LEDs as light sources, optical filters and photodetectors for wavelength selection and detection, respectively (not scaled). Data transmission is intended to be wireless.
