Patent · US Expired

System and method for multiplexing inputs into a single spectrometer

US6954271B2 · kind B2 · utility

5Cited by
16References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 10, 2001
Grant dateOct 11, 2005
Priority date
Expiry dateFeb 21, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N21/9508
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A spectrometer for measuring the intensity of light, comprises a grating having a major axis, a first entrance aperture aligned with the grating major axis and configured to direct light energy onto the grating, wherein the grating is adapted to produce a focused light beam, a first exit aperture aligned with the grating major axis and configured to accept the focused light beam, a second entrance aperture configured to direct the light energy onto the grating, wherein the second entrance aperture is offset from the grating major axis, and a second exit aperture configured to accept the focused light beam.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.