167690 ⎘
Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light; Arrangements or apparatus for facilitating the optical investigation; Cuvette constructions Multipass arrangements
Sub-classes:Multipass hydrogenated palladium optical cavities for detection of hydrogen
#2MULTI-PASS CELLS
#3MULTIPLE PATH LENGTH OPTICAL CELL FOR TRACE GAS MEASUREMENT
#4Device, system and method for optical gas analysis
#5OPTICAL SYSTEM AND METHOD WITH ULTRA-LONG PATH MULTIPASS CELL HAVING NON-PARAXIAL PROPAGATION
#6MULTIPASS ABSORPTION CELL
#7LONG-PATH GAS ABSORPTION CELL OPTICAL SYSTEM
#8PURGE-FREE OPEN-PATH SYSTEM AND METHOD FOR CAVITY ENHANCED SPECTROSCOPY
#9DEVICE FOR MEASURING THE HUMIDITY IN THE INTERNAL VOLUME OF A WATCH CASE
#10GAS-SENSING APPARATUS
#11GAS MEASUREMENT APPARATUS
#12SIMPLE ZERO-Q-TRANSFORMING (ZQT) MULTI-PASS CELLS FOR OPTICAL APPLICATIONS
#13QUANTIFICATION OF TARGET ANALYTE BASED ON MULTI-LAYER MULTI-VARIANT SPECTRA ANALYSIS FOR SPECTROSCOPIC ANALYZERS
#14GAS DETECTION APPARATUS
#15FLOWCELL AND SYSTEM WITH IMPROVED COLLECTION EFFICIENCY FOR RAMAN SPECTROSCOPY
#16AN OPTICAL ABSORBANCE SPECTROMETER, OPTICAL DEVICE AND METHOD OF OPTICAL ABSORBANCE SPECTROMETRY
#17Systems and methods for measuring trace contaminants in gas matrix using integrated cavity output spectroscopy
#18GAS ANALYSER APPARATUS AND METHOD
#19MEASUREMENT SYSTEM INCLUDING REFLECTOR
#20OPTICAL MEASURING CELL
#21Multipass cell
#22Multiple path length optical cell for trace gas measurement
#23Cavity for gas measurements
#24Light pipe for spectroscopy
#25SAMPLE CELL FOR OPTICAL ANALYSIS
#26MULTIPLE-REFLECTION APPARATUS AND MULTIPLE-REFLECTION CELL
#27Optical measuring assembly and gas sensor comprising same
#28Compact gas sensor
#29MEASURING DEVICE FOR MEASURING THE ABSORPTION OF GASES
#30Gas detection apparatus
#31Resonant optical cavity system with optical feedback, suitable for detecting traces of gas by Raman spectroscopy
#32System and method for frequency matching a resonance cavity to a light source
#33LASER-BASED SYSTEM FOR SUBSTANCE DETECTION
#34Beam conducting cavity structure, gas sensor and method for production thereof
#35Multicolor optical resonator for imaging methods
#36Optical multipass cell
#37Outdoor multi-pass cell for TDLAS
#38Optical cell cleaner
#39Portable optical spectroscopy device for analyzing gas samples
#40Apparatus for analysing a liquid sample comprising particles
#41Device for a light spectroscopic analysis
#42Flow cell for direct absorption spectroscopy
#43Toroidal multipass absorption device
#44Integrated device for fluid analysis
#45Light pipe for spectroscopy
#46Apparatus for generating and optically characterizing an aerosol
#47Pipette tip system, device and method of use
#48Dissolved gas analysis devices, systems, and methods
#49Optical cavity for gas sensor and gas sensor having the same
#50Circular birefringence identification of materials
#51Gas measurement system
#52System and method for impurity detection in beverage grade gases
#53Method for measuring a concentration of a gas
#54Analysis cuvette and derivatives with signal amplification
#55MEMS-component
#56Highly-folding pendular optical cavity
#57Method for measuring air pollutants using a folded tubular photometer
#58Method and device for monitoring the quality of gaseous media
#59Measuring device for measuring the absorption of gases
#60Absorption cavity with entrance and exit waveguides for a chemical or biological sensor
#61Optical cavity for gas sensor and gas sensor having optical cavity
#62Measuring device and method for sensing different gases and gas concentrations
#63MULTI-PASSAGE PHOTOACOUSTIC DEVICE FOR DETECTING GAS
#64Analysis device
#65Multipass cell, gas analyzer, and method for manufacturing mirror for multipass cell
#66Methods and systems to analyze a gas-mixture
#67High-accuracy mid-IR laser-based gas sensor
#68Gas sensor
#69Gas sensor comprising a rotatable Fabry-Perot multilayer etalon
#70Flow cell for direct absorption spectroscopy
#71Input and output optical systems for multipass spectroscopic absorption cells
#72Input and output optical systems for multipass spectroscopic absorption cells
#73Gas analysis device and gas analysis method using laser beam
#74Long path cell
#75Process and system for sample analysis
#76Optically transparent films for measuring optically thick fluids
#77Spectroscopic measuring device and method to determine concentrations of pollutants
#78Scattered light integrating collector
#79Low volume multipass cell
#80Measuring concentrations of radicals in semiconductor processing
#81Pipette tip system, device and method of use
#82Gas detection using gas modulation
#83Spectroscopy imaging and analysis of live cells
#84Carbon isotope analysis device and carbon isotope analysis method
#85Quantum Cascade Laser (QCL) Based Gas Sensing System and Method
#86Gas analyzer with low optical noise
#87Gas detector and method of detection
#88Dissolved gas analysis devices, systems, and methods
#89Method and apparatus for the spectroscopic detection of low concentrations of hydrogen sulfide gas
#90System and method for impurity detection in beverage grade gases
#91Flow channel structure and measuring device for measurement target liquid
#92Close-coupled analyser
#93Gas analysis
#94Optical absorbance measurements with self-calibration and extended dynamic range
#95CIRCULAR BIREFRINGENCE IDENTIFICATION OF MATERIALS
#96Detecting isotopologues of carbon dioxide in the atmosphere in concomitance of water or methane
#97Planar reflective ring
#98Optical measurement device
#99Laser-based IR spectroscopy for measuring sulfur trioxide in the exhaust gas of gas power plants
#100Laser absorption spectroscopy system and method for discrimination of a first and a second gas
#101System, devices and methods using an integrated sphere light collector
#102Optical density monitor and comparator systems and methods
#103Multi-pass gas cell with mirrors in openings of cylindrical wall for IR and UV monitoring
#104Quantum dot light emitting diodes for multiplex gas sensing
#105Systems and methods for performing cavity-enhanced absorption spectroscopy
#106Sample cell
#107Cavity enhancement methods, systems and devices, and methods of measuring same
#108Light pipe for spectroscopy
#109Multiple reflection type cell and analyzer
#110Concentration measuring method
#111Optical concentration measuring method
#112High-accuracy mid-IR laser-based gas sensor
#113Nondispersive infrared gas detection sensor
#114Ultraviolet-based gas sensor
#115Multireflection cell, analyzer, exhaust gas analyzer, and light incident method
#116Elongating a travel path of a light beam by an optical delay device
#117Process and system for sample analysis
#118Gas cell for absorption spectroscopy
#119Compact folded optical multipass system
#120Optical alignment apparatuses and methods for optics used in absorption cell spectrometers
#121Breath analyser and detection methods
#122Input and output optical systems for multipass spectroscopic absorption cells
#123Gas cell assembly and applications in absorption spectroscopy
#124Cavity enhanced spectroscopy using off-axis paths
#125Methods and systems to analyze a gas-mixture
#126Sample collection and bioluminescent analysis system
#127Device for determining the concentration of at least one gas in a sample gas flow by means of infrared absorption spectroscopy
#128Method of determining the concentration of a gas component and a spectrometer for this purpose
#129Integrated breath alcohol sensor system
#130Carbon isotope analysis device and carbon isotope analysis method
#131Device for determining a concentration of a chemical substance
#132Gas analysis device and gas analysis method
#133Spectrometer with random beam profiles
#134Gas sensor by light absorption
#135Spectroscopic sensor for thickness or weight measurement of thin plastic films
#136Methods and systems to analyze a gas-mixture
#137Quantum dot light emitting diodes for multiplex gas sensing
#138Gas sensor
#139Quantum cascade laser (QCL) based gas sensing system and method
#140Micro-textured surface with integrated micro-mirrors for 3D multi-scale microscopy
#141Multipass spectroscopic absorption cell
#142Reduced volume spectroscopic sample cell
#143Maturation monitoring apparatus and methods
#144Apparatus for measuring hexavalent chromium in water
#145Analytes monitoring by differential swept wavelength absorption spectroscopy methods
#146Gas cell assembly and applications in absorption spectroscopy
#147Ultra stable resonant cavity for gas analysis systems
#148System and method for dissolved gas analysis
#149Breath analyser and detection methods
#150Apparatus and method for measuring the concentration of trace gases by SCAR spectroscopy
#151Optical chamber for a gas detection device
#152Devices, methods, and systems for cavity-enhanced spectroscopy
#153Method and apparatus for siloxane measurements in a biogas
#154Cavity enhancement methods, systems and devices, and methods of measuring same
#155Method for reducing interference fringes in laser spectroscopy measurements using an absorption mask in combination with multi-pass optical cells
#156Optically transparent films for measuring optically thick fluids
#157Process and system for rapid sample analysis
#158Vapour phase spectroscopy
#159Optical gas analyzer
#160Multiplexed spectroscopic absorbance from CRDS wave forms
#161Miniature gas sensor
#162Gas cell for the optical analysis of gases
#163Cavity ring-down spectroscopic system and method
#164Photometric device and method
#165Method of detecting a propellant gas
#166Active chemical sensing using optical microcavity
#167Device for optically determining the concentration of alcohol and carbohydrates in a liquid sample
#168System and method of monitoring composition of a flow of breathable gas using a detector and emitter positioned on the same side of the flow of breathable gas
#169Reflective transparent optical chamber
#170Epoxy molded gas cell for optical measurement and method of forming
#171Systems for fluid analysis using electromagnetic energy that is reflected a number of times through a fluid contained within a reflective chamber
#172Detector
#173Image analysis and measurement of biological samples
#174Dynamic reconstruction of a calibration state of an absorption spectrometer
#175Optical density monitor and comparator systems and methods
#176Chemical detection and laser wavelength stabilization employing spectroscopic absorption via laser compliance voltage sensing
#177Method and apparatus for determining the permeation rate of barrier materials
#178Miniature tunable laser spectrometer for detection of a trace gas
#179Optical reflectors for spectrometer gas cells
#180Gas analyzer
#181Device with a measurement arrangement for optical measurement of gases and gas mixtures, with compensation of environmental effects
#182Method and device for measuring gas component concentration inside a glass unit
#183Disposable sensor head and disposable container
#184Sample collection and bioluminescent analysis system
#185Device for measuring moisture in a gas
#186Modular vapor detector and identifier
#187Holographic detection device and method for content of gas in GIS switch
#188Ultraviolet-based ozone sensor
#189Optical gas sensor
#190Multifunctional breath analyzer
#191Device for photometric analysis of a liquid sample and sample carrier therefor
#192Chemical detection and laser wavelength stabilization employing spectroscopic absorption via laser compliance voltage sensing
#193Methods for determining optical power, for power-normalizing laser measurements, and for stabilizing power of lasers via compliance voltage sensing
#194Method and apparatus for siloxane measurements in a biogas
#195Optical absorption spectroscopy
#196Laser based cavity enhanced optical absorption gas analyzer
#197Optical component
#198Method and system for detecting moisture in natural gas
#199Triple isotope method and analyzer for total energy expenditure measurements
#200Gas sensor with radiation guide
#201OPTICAL ABSORPTION SPECTROSCOPY WITH MULTI-PASS CELL WITH ADJUSTABLE OPTICAL PATH LENGTH
#202Systems and methods for performing the bacterial disinfection of a fluid using point radiation source
#203Diffusing measurement window for near and mid IR multichannel sensor
#204Heterodyne off-axis integrated cavity output spectroscopy
#205High-accuracy mid-IR laser-based gas sensor
#206SCANNING LASER INFRARED MOLECULAR SPECTROMETER
#207Multipass cell using spherical mirrors while achieving dense spot patterns
#208METHOD FOR DETERMINING THE 14C CONTENT OF A GAS MIXTURE AND ARRANGEMENT SUITABLE THEREFOR
#209Variable path length photon trapping spectrometer
#210Measuring cell adapted to spectral analysis
#211MAIN STREAM GAS ANALYZING DEVICE
#212Sensitive and Compact Sensor Employing a Visible Diode Laser and A High Finesse Optical Cavity for Trace Gas Detection (NO2)
#213Corrosion Resistant Gas Cell Formed From Nickel Plated Stainless Steel
#214Method and apparatus for trace gas detection using integrated wavelength modulated spectra across multiple lines
#215Dynamic reconstruction of a calibration state of an absorption spectrometer
#216Split Spherical Mirror Configuration for Optical Multipass Cell
#217APPARATUS AND METHOD FOR MEASURING SO3 AND H2SO4 CONCENTRATIONS IN GASES
#218Method and apparatus for the detection of trace gas species using multiple line integrated absorption spectroscopy
#219Fuel cloud point or freeze point sensor with collinear optical geometry
#220System and method for high numeric aperture imaging systems
#221Means and Methods for Rapid Droplet, Aerosols and Swab Infection Analysis
#222Enhanced cavity for a photoacoustic gas sensor
#223Multiple wavelength cavity ring down gas sensor
#224Automotive-vehicle-borne miniature spectrometer having a single measurement and reference detector
#225Validation and correction of spectrometer performance using a validation cell
#226Spectrometer with validation cell
#227Adsorptive gas analyzer
#228Process for forming a light beam path in a dielectric mirror
#229System and apparatus for measurement and mapping of pollutants
#230Multi-pass optical cell with actuator for actuating a reflective surface
#231Multi-channel optical cell
#232Long optical path gas monitor
#233Method and System for Raman Detection
#234Optical multi-pass cell
#235Device and method of examining absorption of infrared radiation
#236Measurement of particles in liquid using reflected light
#237Optical absorbance measurements with self-calibration and extended dynamic range
#238Infrared optical gas-measuring device
#239Laser multi-sensor system for the selective trace analysis of organic materials
#240Fluorescence measurement cell
#241SPECULAR INTEGRATING TUBE FOR SCATTERED-LIGHT SPECTROSCOPY
#242Method and Apparatus for Real-Time Analysis of Chemical, Biological and Explosive Substances in the Air
#243Optical gas-analysis system and a gas flow cell
#244Method and apparatus for siloxane measurements in a biogas
#245Absorption spectrometric apparatus for semiconductor production process
#246Optical multipass cell for repeated passing of light through the same point
#247Optical measurement arrangement
#248PHOTO ACOUSTIC SAMPLE DETECTOR WITH LIGHT GUIDE
#249System and method for high numeric aperture imaging systems
#250Device for quantifying the contents of at least one gaseous constituent contained in a gaseous sample from a fluid, related assembly and process
#251Detection method
#252Gas detector
#253Analysis device and method for testing the catalytic activity of surfaces
#254Substance concentration sensor and production method therefor
#255Droplet actuator devices, configurations, and methods for improving absorbance detection
#256Apparatus for detecting the leakage of heavy water in nuclear reactor system and detection method using the same
#257Compact gas sensor using high reflectance terahertz mirror and related system and method
#258Photoacoustic multipass cell with concentrating reflection means
#259Cylindrical photoacoustic detector with excitation of the second azimuthal resonance
#260Surface preparation method for eliminating optical interference from absorption cavity mirrors
#261Multigas Monitoring and Detection System
#262Multipass optical device and process for gas and analyte determination
#263Portal
#264INTERACTIVE ALCOMETRY
#265MEASUREMENT ACCESSORY WITH MULTIPLE TRANSMISSION-REFLECTIONS USED FOR INFRARED SPECTROMETER
#266Process of forming a light beam path in a dielectric mirror
#267Gas analyzer and gas analyzing method
#268CRDS BREWSTER GAS CELL
#269Transducer-mirror structure
#270GAS CELL USING TWO PARABOLIC CONCAVE MIRRORS AND METHOD OF PRODUCING GAS SENSOR USING THE SAME
#271Apparatus and method for monitoring of gas having stable isotopes
#272Dome Gas Sensor
#273Cell phone based MEMS fourier transform infrared (FTIR) gas sensors
#274ANALYZER SYSTEM AND OPTICAL FILTERING
#275Gas analyzer system
#276Particle Counter With Improved Image Sensor Array
#277Cavity ring down system having a common input/output port
#278Exhaust gas analysis method and exhaust gas analysis apparatus
#279OPTICAL APPARATUS
#280Optical cavity for gas sensor
#281Analyzing element and analyzing apparatus using same
#282Sensor unit in exhaust gas analyzer
#283Rotationally asymmetric chaotic optical multi-pass cavity
#284Structure for diagnosis system of reaction process
#285Exhaust gas analyzer
#286Method and apparatus for real-time analysis of chemical, biological and explosive substances in the air
#287Apparatus for gas concentration measurement according to gas correlation method
#288Method and apparatus for the analysis of foreign gas phase in containers
#289Optical cavity system having an orthogonal input
#290Absorption spectroscopy apparatus and method
#291Multigas monitoring and detection system
#292CRDS mirror for normal incidence fiber optic coupling
#293Sensor system and sampling cell assembly for use with sensor system
#294Multiple reflection optical system
#295Non-dispersive electromagnetic radiation detector
#296Optical gas concentration detector and method of producing structure used in the detector
#297Obtaining information about analytes using optical cavity output light
#298Photosensing optical cavity output light
#299Photothermal conversion measuring instrument
#300Detection of moisture in refrigerants