PORTABLE SPECTROMETER

A portable spectrometer device includes an illumination source for directing light at a sample, and a tapered light pipe (TLP) for capturing light at a second focal ratio lower than the first focal ratio. A linearly variable filter (LVF) separates the captured light into a spectrum of constituent wa...

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Main Authors PEDERSON, CHRISTOPHER G, ZIEBA, JERRY, VON GUNTEN, MARC K, O'BRIEN, NADA A, HRUSKA, CURTIS R, HULSE, CHARLES A, BRYARS, BRETT J
Format Patent
LanguageChinese
English
Published 21.12.2017
Subjects
COLORIMETRY
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT
MEASURING
PHYSICS
RADIATION PYROMETRY
TESTING
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Summary:A portable spectrometer device includes an illumination source for directing light at a sample, and a tapered light pipe (TLP) for capturing light at a second focal ratio lower than the first focal ratio. A linearly variable filter (LVF) separates the captured light into a spectrum of constituent wavelengths signal; and a detector array, including a plurality of pixels, each of the plurality of pixels disposed to receive at least a portion of a plurality of the constituent wavelength signals provided a power reading for each constituent wavelength. Preferably, the TLP is lensed at one end, and recessed in a protective boot with stepped inner walls. The gap between the TLP and LVF is minimized to further enhance resolution and robustness.
Bibliography:Application Number: TW20176115882