A spatially varying Fabry-Perot cavity replaces time-varying OPD, simplifying spectral recovery and reducing detector correction complexity.
A luminescent light pipe with relay optics replaces lamp and laser limits to improve multi-capillary fluorescence sensitivity and reproducibility.
Collimated broadband light and synchronized spectral scanning enable remote, multi-angle color measurement with less optical complexity.
A lensless probe reshapes collimated light into a linear beam to reduce SERS hotspots and improve Raman signal coverage on uneven samples.
A trained 2D neural network processes multi-pulse arrival-time spectra to separate fluorescence from Raman signals and improve measurement precision.
Alternating external calibration light and internal measurement light keeps a transmission spectrometer accurate despite thermal drift without stopping sample measurement.
Vacuum-separated plates block conduction and convection, letting surface-temperature comparisons isolate radiative flux and support two-dimensional thermal maps.
An absorbing infrared layer converts mid-infrared light into heat, allowing silicon sensors to detect it with lower cost and higher sensitivity.
Parallel optical channels capture multispectral infrared data in one snapshot, enabling real-time chemical-species detection without sequential scanning.
Replace complex contact-based systems with synchronized scanning and spectral capture using a collimated broad-spectrum beam.
Discrete wavelength filters slow metrology changes; linear variable filters reduce rotation time for faster switching.
Integrating the light pipe and sensor array avoids a large optical assembly while preserving emission detection and limiting autofluorescence.
A scanning device illuminates multiple sample points while confocal collection preserves Raman image accuracy and speeds analysis.
Nanophotonic spectral routers split color bands into sub-bands, enabling hyperspectral capture through multiple photodetectors in one exposure.
Grating-coupled bound modes give a CMOS-compatible sensor array spectral and angular selectivity without separate fabrication steps.
Passive infrared sensing uses polarized black-body emissions to reduce LIDAR laser interference and identify materials by temperature.
Microwave-transparent optics place a Raman probe inside a reactor to monitor phase transitions while limiting laser-induced heating.