Two-detector gas filter correlation radiometry (GFCR) system using two-dimensional array detection of defocused image and detected-signal summation

Internally-calibrated, two-detector gas filter correlation radiometry (GFCR) system

Background compensation by multiple-peak measurements for absorption spectroscopy-based gas sensing

Automated FTIR gas analyzer

Method of calibrating a gas sensor

METHOD OF PROCESSING AN ANALOG SENSOR SIGNAL IN A GAS SENSOR ARRANGEMENT AND MEASURED VALUE PROCESSING DEVICE

Apparatus and methods for oil-water-gas analysis using terahertz radiation

System and method for measuring water vapor in natural gas

Infrared spectrometer

OPTICAL SYSTEM AND METHOD FOR INSPECTING FLOURESCENTLY LABELED BIOLOGICAL SPECIMENS

Long-term stable optical sensor arrangement, especially a hydrogen sensor, and combined gas sensor arrangement

Method Of Processing An Analog Sensor Signal In A Gas Sensor Arrangement And Measured Value Processing Device

Dynamic measured-value filter for a gas sensor arrangement

Gas monitoring system and method

Compact near-IR and mid-IR cavity ring down spectroscopy device

Compact near-IR and mid-IR cavity ring down spectroscopy device

Measuring device

Detection of moisture in refrigerants

Fuel cell and product of combustion humidity sensor

System and method for high sensitivity optical detection of gases

Frequency comb cavity enhanced spectroscopy

Gas concentration measuring apparatus

Infrared-type gas detector

Breath analyzer

Microstructured Infrared Sensor

Gas Monitoring System and Sidestream Gas Measurement System Adapted to Communicate with a Mainstream Gas Measurement System

Thermoelectric sensor for analytes in a fluid and related method

Method of monitoring pressure of a gas species and apparatus to do so

Microstructured sensor

Fabry-perot interferometer array

Ultra-high sensitivity NDIR gas sensors

METHOD AND APPARATUS FOR DETECTING METHANE GAS IN MINES

Method and system for transmitting terahertz pulses

Measuring device, preferably a test stand for engines and vehicles for analyzing exhaust gases of a combustion engine

Gas detecting arrangement

Non-Dispersive Infrared Gas Analyzer

Device and method for optical detecting substances contained in waste gases of chemical processes

Infrared sensor

INFRARED GAS DETECTION SYSTEMS AND METHODS

Gas content measuring apparatus and method

Laser light source

Non-contact exhaust gas measurement by means of FTIR spectrometry in metallurgical installations

Method for measurement of gas concentration with modulated light at two absorption maxima

Apparatus and Method for Absorption, Emission, and Scattering Spectroscoy With Substantially Simultaneous Mass Spectrometry, and Apparatus and Method for Mass Spectrometry Based on Electrospray Ionization

Gas sensor

Measuring trace components of complex gases using gas chromatography/absorption spectrometry

Gas sensor apparatus

Method for extending usage life span of infrared light sources for non-dispersive infrared (NDIR) gas sensing technology

Intubation verification and respiratory gas monitoring device and the method thereof

Measuring low levels of methane in carbon dioxide

Measuring water vapor in hydrocarbons

Multigas monitoring and detection system

Apparatus for measuring concentration of gas

Method and apparatus for monitoring combustion instability and other performance deviations in turbine engines and like combustion systems

System and method for high sensitivity optical detection of gases

Airborne material collection and detection method and apparatus

Infrared radiation sources, sensors and source combinations, and methods of manufacture

Method and Apparatus for Detecting the Type of Anesthetic Gas

Differential absorption lidar apparatus having multiplexed light signals with two wavelengths in a predetermined beam size and beam shape

Optical and laser differential absorption remote detection of TATP peroxide based explosives

Monitoring system comprising infrared thermopile detector

Linked extendable gas observation system for infrared absorption spectroscopy

Radiation source for a sensor arrangement with making current limitation

Thin film emitter-absorber apparatus and methods

Gas Sensor And Method For The Production Thereof

Microspectrometer gas analyzer

Method and system for remote exhaust emission measurement

Optical system for detecting the concentration of combustion products

METHODS AND APPARATUS FOR EVALUATING INSULATING GLASS UNITS

Fluorescence reader based on anti-resonant waveguide excitation

Method for detecting a gas species using a super tube waveguide

Optical sensor device for local analysis of a combustion process in a combustor of a thermal power plant

Gas detection

System and method for detecting and remediating contamination

Multi-gas sensor

FOURIER TRANSFORM INFRARED SPECTROPHOTOMETER

Apparatus for sensing plural gases

Apparatus and method for imaging fluids downhole

Measurement of nitrogen content in a gas mixture by transforming the nitrogen into a substance detectable with nondispersive infrared detection

System and method for chemical sensing using trace gas detection

OPTICAL SENSOR, INK CARTRIDGE, AND INKJET APPARATUS

Gas Sensor Array with a Light Channel in the Form of a Conical Section Rotational Member

Ultra low power NDIR carbon dioxide sensor fire detector

Method for cross interference correction for correlation spectroscopy

Ultra low power NDIR gas sensor fire detector

Gas sensor

Liquid or gas sensor and method

LASER SENSING APPARATUS AND METHOD

High rate line-by-line calculation method and program by forked line type resolution

Microdischarge detector method and apparatus

Device and method for the optical scanning of media, objects, or areas

Optical determination and reporting of hydrocarbon properties

Method And Apparatus For Determining Marker Gas Concentration Using An Internal Calibrating Gas

Tracer to compensate for environmental variations that influence a chemical vapor sensor measurement

Gas injection amount determining method in isotope gas analysis, and isotope gas analyzing and measuring method and apparatus

Hydrogen sensor based upon quadrupole absorption spectroscopy

Measurement of steam quality using multiple broadband lasers

Apparatus and method for measuring steam quality

Broadband laser spectroscopy

Method for improving the performance accuracy in differential absorption lidar for oil and gas pipeline leak detection and quantification

Laser desorption and thermal emission spectroscopy for chemical analysis of cryogenic surfaces

Device for detecting and device for measuring the concentration of a substance

Piezo activated mode tracking system for widely tunable mode-hop-free external cavity mid-IR semiconductor lasers

System and method for detecting water vapor within natural gas

Fenceline monitoring of air contaminants

RADIATION SOURCE FOR GAS SENSOR

Photonic crystal emitter, detector and sensor

System and method for detecting water vapor within natural gas

Method and apparatus for detecting gas concentration with infrared absorption characteristics

Gas detection method and gas detection device

Simple multi-channel NDIR gas sensors

Ultra low cost NDIR gas sensors

Reformulated atmospheric band model method for modeling atmospheric propagation at arbitrarily fine spectral resolution and expanded capabilities.

Sensor for pulsed deposition monitoring and control

Machine for detecting sulfur hexafluoride (SF6) leaks using a carbon dioxide laser and the differential absorption lidar ( DIAL) technique and process for making same

Tunable photonic crystal

Gas sensor assembly and measurement method with early warning means

Optical gas sensing apparatus

Detector with condenser

Method and system for detection of gas leakage sources

Optical analysis device

Gas sensor

Gas Composition monitoring arrangement

Gas detection and photonic crystal devices design using predicted spectral responses

Methods and apparatus for evaluating insulating glass units

Method and apparatus for detecting the type of anesthetic gas

Multi-line tunable laser system

System, apparatus and method for detecting unknown chemical compounds

Infrared thermopile detector system for semiconductor process monitoring and control

Apparatus and method for controlling atmospheres in heat treating of metals

Gas sensor arrangement and measuring method for improving long-term stability

Air gas analyzer window and a method for producing such a window

Gas sensor arrangement with improved long term stability and measuring method

Carbon dioxide sensor and airway adapter incorporated in the same

Identification of low vapor pressure toxic chemicals

In-situ gas blending and dilution system for delivery of dilute gas at a predetermined concentration

Method for controlling an air circulation part and/or an air supply part in a passenger cell

Absorption spectroscopy apparatus and method

Infrared gas detector

Method and apparatus for monitoring catalytic abator efficiency

Photometrically modulated delivery of reagents

Method for measuring gaseous species by derivation

Detecting gas in fluids

Method and apparatus for trace gas detection

Apparatus and method for measuring fuel dilution of lubricant

Method and device for the two-step production of acrylic acid

Gas detector that uses infrared light and method of detecting gas concentration

Method and apparatus for optical detection for multi-phase combustion systems

Method and apparatus for analyzing a downhole fluid using a thermal detector

Method of compensating for a measuring error and an electronic arrangement to this end

Method for determining the voltage sensitivity of the distance between the mirrors of a fabry-perot interferometer

Device and method for monitoring the oxygen concentration in an aircraft tank

Gas sensor

Explosion-proof gas sensor

Device for the analysis of the qualitative composition of gases

Chemical vapor sensor

Chemical vapor sensor having an active and a passive measurement mode

Infra-red source and gas sensor

Gas measurement system

System and method of condensation reduction in an electrical unit

Method and apparatus for a downhole spectrometer based on tunable optical filters

Gas sensors

Chemical species detection including a multisection laser for improved process monitoring

System and method for a self-calibrating non-invasive sensor

Method for measurement of silanol group concentration and cell for measurement

Device for the IR-spectrometric analysis of a solid, liquid or gaseous medium

Mobile remote detection device and remote detection method for methane gas accumulations

Laser radar apparatus having multiple output wavelengths

Measuring environmental parameters

Gas identification system

Gas detection method and gas detector device

Method and apparatus for optically measuring the heating value of a multi-component fuel gas using nir absorption spectroscopy

Gas sensors

Multispectral selective reflective Lidar

Method for increasing the dynamic range of a cavity enhanced optical spectrometer

WAFER LEVEL MICROELECTRONIC PACKAGING WITH DOUBLE ISOLATION

Remove vehicle emission sensing device with single detector

Gas energy meter for inferential determination of thermophysical properties of a gas mixture at multiple states of the gas

Infrared sensor, infrared gas detector and infrared ray source

Gas monitoring system and sidestream gas measurement system adapted to communicate with a mainstream gas measurement system

System and method for calibrating remote emissions sensing instruments

Apparatus for on-line monitoring quality/condition of fluids

Method for reducing condensation water in gas sensor arrangements

Method of monitoring pressure of a gas species and apparatus to do so

Monitoring the stability of vinylog compounds

Microstructured infrared sensor and method for its manufacture

Laser light source

Method of and apparatus for determining the amount of impurity in gas

Gas sensor arrangement with reduced settling time

Coherent differential absorption lidar (dial)

Gas measurement system

Gas cell

Oxygen sensor for aircraft fuel inerting systems

Infrared source modulation and system using same

Gas sensor module for the spectroscopic measurement of a gas concentration

Optical cell measurement apparatus

Apparatus and method for determining the proportion of a substance in a gas sample using an infrared measuring instrument

Method and sensor for monitoring gas in a downhole environment

Method and apparatus for eliminating and compensating thermal transients in gas analyzer

Carbon dioxide concentration measuring device, method of measuring carbon dioxide concentration and burning appliance

Gas sensor arrangement in an integrated construction

Spectrometer system for optical reflectance measurements

In-situ gas blending and dilution system for delivery of dilute gas at a predetermined concentration

Infrared gas sensor

Photometrically modulated delivery of reagents

Infrared sensor with explosion-proof protection for gas metering appliances

Hand-held spectrometer

FAIMS with non-destructive detection of selectively transmitted ions

Apparatus for measuring biodegradability of sample using non-dispersive infrared spectrometry and method of measuring the same

System and method for detecting and identifying an analyte

Optical device producing two beams capable of reaching a common sensor

System and method for remote emissions sensing including calculation and calibration techniques compensating for temperature and pressure effects

System and method for computer analysis of pressure decay data and evaluation of shelf-life of material packaged in plastic containers

Optical system and method for inspecting fluorescently labeled biological specimens

Method and apparatus for desolvating ions for introduction into a FAIMS analyzer region

Infrared gas detector

Apparatus for on-line monitoring quality/condition of fluids

Infrared gas sensor

Imaging of fugitive gas leaks

Segmented side-to-side FAIMS

Heater for optical gas sensor

Method and apparatus for determining indirectly the concentration of a specific substance in the blood

System and method for remote quantitative detection of fluid leaks from a natural gas or oil pipeline

Device and method for spectroscopically measuring a gas concentration by determining a single absorption line

Sensor having a communication device, sensor communication system and method of communicating information from a sensor

Micromechanical infrared source

Gas sensor

FAIMS apparatus and method for detecting trace amounts of a vapour in a carrier gas

Tunable filter membrane structures and methods of making

Detector with condenser

Absorbance monitor

Process monitoring using infrared optical diagnostics

Apparatus and method for controlling a fan, cooling unit and a fresh air damper of an air conditioner through use of a Capno-Switch

Gas concentration measuring device and method

Methods, systems, and uses for calixarenes

MEMS-based spectrophotometric system

Detection and analysis of chemical and biological materials by passive emission of terahertz wave against a cold background target

Non-invasive, miniature, breath monitoring apparatus

Wavelength modulation spectroscopy method and system

Tunable laser fluid sensor

Very low cost narrow band infrared sensor

Method for operating a turbine group

Remote detection and analysis of chemical and biological aerosols

Chamber for gas detector

Methods and apparatus for evaluating insulating glass units

Spectroscopic systems and methods

Detection assembly and measuring arrangement for multigas analyzers

Vehicle mounted system and method for capturing and processing physical data

Method and system for mercury analysis

Tube furnace combustion analyzer system

Systems and methods for monitoring a gas sterilization environment

Night hyper-spectral remote sensing imaging system for multi-component atmospheric trace constituents

Device of complex gas mixture detection based on optical-path-adjustable spectrum detection and method therefor

Combined oxygen, nitrogen and hydrogen joint determination device and method based on thermal conductivity-infrared technique

Method for measuring multiple parameters of mixed gases based on broadband infrared light source

Method for measuring concentrations of multiple gases by using infrared band laser light

Multi-spectral methods and systems for day and night sensing of greenhouse gas sources from space

Room disinfection systems comprising concentrated light sources

Systems and methods for stationary engine emissions testing

System, apparatus and methods for detecting methane leak

Room temperature oxygen sensors

Techniques for rapid detection and quantitation of volatile organic compounds (VOCS) using breath samples

Compact non-dispersive infrared gas analyzer

Gas measurement device and gas measurement method

Sensor characterization through forward voltage measurements

Optical devices for sensing gas

Fast and widely tunable monolithic optical parametric oscillator for laser spectrometer

Gas analyzer

Fully integrated gas concentration sensor

Trace moisture analyzer instrument, gas sampling and analyzing system, and method of detecting trace moisture levels in a gas

Gas detection device

Remote gas leakage detection systems using mid-infrared laser

NDIR reflection sampling in liquids

NDIR interference control in liquids

Reduction of scattering noise when using NDIR with a liquid sample

Fully integrated gas concentration sensor

Reduction of scattering noise when using NDIR with a liquid sample

Gas detector and method for monitoring gas in a confined space

Diagnostic system for measuring temperature, pressure, CO2 concentration and H2O concentration in a fluid stream

WGM-based molecular sensors

Systems and methods for assembling a collection of peaks characterizing a gas leak source and selecting representative peaks for display

Fluid properties measurements using wavelength modulation spectroscopy with first harmonic detection

System and methods for molecular detection using intracavity laser absorption spectroscopy

Optical analyzer and wavelength stabilized laser device for analyzer