Compact spectrometer

Details Compact spectrometer Compact spectrometer

2008-05-05

2010-10-19

Nguyen, Tu T (Department: 2886)

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

Reexamination Certificate

active

07817274

ABSTRACT:
Spectrometers, particularly compact spectrometers, are constructed with their spectral performance characteristics being optimized as well as with their instrument/device volume being reduced significantly. The light propagation path, either in transparent media or in free space, of the optical beams emitting from a small input aperture/slit of a spectrometer, is caused to be two-dimensional or unilateralized (propagating within a thin layer of air or media), enabling physical sizes of any optical elements needed thereafter to construct a spectrometer to be reduced significantly in one dimension. As a result, a significant reduction of instrument/device volume (in one dimension or even in two dimensions) is achieved, which is applicable to and beneficial to either a classical dispersion spectrometer or a compact dispersion spectrometer.

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