New detector technologies and their impact on Raman spectroscopy

M. Bonner Denton, D. A. Gilmore

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations

Abstract

The latest generation of solid state detectors including Charged- Coupled Devices (CCD) and Charge-Injection Devices will be reviewed. Over the last several years, these detectors have contributed to major advances in Raman spectroscopy. Compact Raman systems using diode laser excitation, fiber-optic probes, and new generations of imaging spectrometers have been developed. New approaches for implementing very high throughput monochromators will be discussed, and their impact on the overall Raman system considered. Detection sensitivities obtained using these new optical geometries and array detector technologies are truly astounding. Even at an analyte concentration of a few ppm, a spectrum with several identifiable peaks can be obtained in a mater of seconds. This high sensitivity coupled with the ability of fiber optics to provide remote as well as in-situ sampling now make Raman a technique appropriate for many medical, environmental, and industrial applications. An overview of combining proper optical systems with currently available and soon to be introduced detectors will be presented. A variety of operating parameters for today's and tomorrow's arrays including readout noise, quantum efficiency, dark current, cosmic ray noise, and readout modes will be considered.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
PublisherSociety of Photo-Optical Instrumentation Engineers
Pages121-130
Number of pages10
ISBN (Print)0819417351
StatePublished - Jan 1 1995
EventAdvances in Fluorescence Sensing Technology II - San Jose, CA, USA
Duration: Feb 6 1995Feb 8 1995

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume2388
ISSN (Print)0277-786X

Other

OtherAdvances in Fluorescence Sensing Technology II
CitySan Jose, CA, USA
Period2/6/952/8/95

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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