Raman/Scattering Spectroscopy TRIZ Cases

A handheld microfluidic device uses Raman-scattering nanoparticles to analyze samples at the part-per-billion level.

A flexible carrier with a metal layer enhances Raman signals for single molecule detection.

A sample analysis system correlates fluorescence, absorption, and mass spectra to identify unknown substances.

Segmented excitation-light cut filter transmits fluorescence and plasmon scattering light simultaneously.

Integrating sphere scatters excitation light to eliminate uneven fluorescence, while the display unit presents spectra alongside captured images.

Combining fluorescent emitters with absorptive taggants creates unique spectral signatures that resist replication while enabling simple detection.

A fluorescence detection system selects optimal wavelengths to parameterize intensities across a wide range of sample concentrations.

Broadening excitation light linewidths separates background fluorescence from weak Raman signals, improving tissue analysis accuracy.

Spatial light modulators replace fixed Nipkow disks to enable parallel scanning and efficient excitation light utilization.

Counter-propagating modulated laser beams selectively excite stationary atoms, preventing Doppler shifts and enabling precise isotope ratio determination.

A detection system transmits excitation light through a diaper to measure auto-fluorescence from bodily exudate.

Raman spectroscopy identifies carbon fiber identity and estimates physical properties using multivariate data analysis.

Differential processing of spectral data at arbitrary radial positions isolates glucose signals from background variations.

Segmenting the wavelength spectrum into discrete channels enables accurate sub-micrometer particle measurement without increasing device complexity.

An oxide spacer between plasmonic layers maximizes electromagnetic coupling and signal enhancement while reducing fluorescence interference.

An optical probe uses multiple UV/visible light sources and bandpass filters to detect fluorophores in water samples.

Segmented detectors resolve adjacent spectra concurrently, eliminating mechanical scanning bottlenecks.

A device illuminates carbon nanotube samples with non-parallel incident lights to produce resonance Rayleigh scattering images and spectra.

Asymmetric illumination and capture optics reduce sensitivity to distance variations, maintaining spectral intensity for accurate resin identification.

Raman spectroscopy maps cellular water distribution and bonding states in fruit tissues using confocal microscopy and spectral fitting.

Segmented objective lenses collect signal light from multiple sample areas, resolving the trade-off between measurement sensitivity and observable area size.

Fluorescence spectroscopy detects fecal contamination on meat samples using targeted excitation and emission wavebands.