MICROBOLOMETER FOCAL PLANE ARRAY WITH INTEGRATED ARRAY OF MOSAIC MULTI-SPECTRAL BAND-PASS FILTERS AND FOCUSING LENSES ARRAY FOR SIMULTANEOUS REAL-TIME ANESTHETIC AND RESPIRATORY GAS CONCENTRATION DETECTION AND MEASUREMENT SIGNAL PROCESSING

MICROBOLOMETER FOCAL PLANE ARRAY WITH INTEGRATED ARRAY OF MOSAIC MULTI-SPECTRAL BAND-PASS FILTERS AND FOCUSING LENSES ARRAY FOR SIMULTANEOUS REAL-TIME ANESTHETIC AND RESPIRATORY GAS CONCENTRATION DETECTION AND MEASUREMENT SIGNAL PROCESSING

A gas monitoring apparatus (10) identifies a target anesthetic or respiratory gas species and determines a concentration thereof. The gas monitor includes a multi-spectral mosaic filter and lens array (12), a composite thermal sensing focal plane array (26), and a signal processor (32). The mosaic f...

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1. Verfasser: JANDO, Szilveszter, Cseh
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Sprache:eng ; fre ; ger
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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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description A gas monitoring apparatus (10) identifies a target anesthetic or respiratory gas species and determines a concentration thereof. The gas monitor includes a multi-spectral mosaic filter and lens array (12), a composite thermal sensing focal plane array (26), and a signal processor (32). The mosaic filter and lens array (12) comprises a 2D array of lens structures (14) and long wave infrared (IR) band-pass filter elements (16) having a patterned thermally reflective metal disposition layer (18, 22) disposed on a first and/or second surface (20, 24) between adjacent lens structures and/or filter elements, respectively. The composite focal plane array (26) includes a plurality of individual thermal sensing focal plane arrays (28) with integrated read out integrated circuits (ROIC) that output a respective sensed channel data (36). The signal processor (32) receives the sensed channel data outputs (36) and generates an output indicative of the identification (50) and/or concentration (52) of the target gas based on an oversampling of an absorption signal, on a frame by frame basis and/or an image stacking basis.
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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
title MICROBOLOMETER FOCAL PLANE ARRAY WITH INTEGRATED ARRAY OF MOSAIC MULTI-SPECTRAL BAND-PASS FILTERS AND FOCUSING LENSES ARRAY FOR SIMULTANEOUS REAL-TIME ANESTHETIC AND RESPIRATORY GAS CONCENTRATION DETECTION AND MEASUREMENT SIGNAL PROCESSING
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