Detector for a spectrometer

Details Detector for a spectrometer Detector for a spectrometer

1987-11-19

1989-04-11

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

356305, 250372, G01J 318, G01J 336

Patent

active

048200484

ABSTRACT:
A novel solid state array detector is useful in an optical spectrometer of the type that includes a crossed dispersion system receptive of radiation for producing a pair of two dimensional displays of spectral lines characteristic of at least one atomic element. One display is ultraviolet and the other is visible. A solid-state chip has on the front surface a two dimensional array of photosensitive pixels receptive of radiation of selected spectral lines and proximate background radiation. The pixels are arranged in a plurality of sub-arrays with each sub-array consisting of at least one of the pixels and are positioned at a projection location on the front surface of at least one of the selected spectral lines. Electronic components formed on the chip among the sub-arrays are operatively connected to the pixels for producing readout signals correlating with intensities of the selected spectral lines.

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