Portable multiband imaging spectrometer

Details Portable multiband imaging spectrometer Portable multiband imaging spectrometer

1992-11-10

1995-02-28

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

25033902, 25033905, 356 51, G01J 336

Patent

active

053942370

ABSTRACT:
A light-weight, portable spectroradiometer provides a real-time data acquisition capability from 0.3 .mu.m to 3.0 .mu.m with selectable integration periods, and operates through a Centronics parallel port of a personal computer to program the spectrometer, store data, and to provide real time graphic output. Equipped with two spectrometers operating from a common optical input, high detector efficiency is obtained by structuring the detector elements for maximum energy gathering capability, matched to slit aperture size and orientation. No filters or mechanically driven mirrors are required, thereby permitting a compact, easily portable instrument. If desired, the detector array is readily adaptable to thermoelectric cooling.

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