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
Optical system with beam propagation extension
#302Gas sensor
#303Measuring trace components of complex gases using gas chromatography/absorption spectrometry
#304Measuring water vapor in hydrocarbons
#305Multi-pass optical cell with actuator for actuating a reflective surface
#306Multigas monitoring and detection system
#307Spectroscopic device
#308Multipass cell for gas analysis using a coherent optical source
#309SYSTEMS AND PROCESSES FOR PROVIDING ENDOGENOUS MOLECULAR IMAGING WITH MID-INFRARED LIGHT
#310Laser sensor having a block ring activity
#311Liquid or gas sensor and method
#312Method And Apparatus For Determining Marker Gas Concentration Using An Internal Calibrating Gas
#313Method and apparatus for CMOS imagers and spectroscopy
#314Method and device for determining milk quality
#315Fluorescence measurement apparatus
#316Gas sensor
#317Particle counter with improved image sensor array
#318Dense pattern optical multipass cell
#319Absorption spectroscopy apparatus and method
#320Gas sensors
#321Photothermal conversion measurement apparatus, photothermal conversion measurement method, and sample cell
#322Near re-entrant dense pattern optical multipass cell
#323Method and apparatus for a downhole spectrometer based on tunable optical filters
#324Method and device for detecting gases by absorption spectroscopy
#325System and method for high numeric aperture imaging systems
#326Gas sensors
#327Optimized gas cell
#328Gas monitor
#329Oxygen sensor for aircraft fuel inerting systems
#330Optical cell measurement apparatus
#331Analytical rotor system with an analytical signal path
#332Semiconductor diode laser spectrometer arrangement and method
#333Miniature gas cell with folded optics
#334Fluorescence detector geometry
#335Very low cost narrow band infrared sensor
#336Breath analysis system
#337Resonant, multi-pass cavity for cavity ring-down spectroscopy
#338Breath analysis system
#339Breath analysis system
#340Optical multi-pass cell for long path-length spectroscopy