Fluorescent sensing enables non-contact temperature monitoring of a rotatable holder in ultra-high vacuum and cryogenic processing.
Fluorescent ground markers and onboard optical sensing help autonomous warehouse vehicles follow speed limits, stops, and designated paths.
Raman sensing tracks melt-zone temperature and protective gas composition to catch oxidation and build faults during powder-bed additive manufacturing.
Proximal calibration and wavefront compensation let a multimode fiber probe deliver high-resolution 2D and 3D imaging without mechanical scanning.
Pulsed excitation and synchronized amplifier gain switching separate weak fluorescence from source crosstalk and saturation.
Pulsed excitation with synchronized low-high amplifier gain switching prevents saturation and preserves linear fluorescence detection.
Heterodyne mixing of the Raman signal with a tunable probe improves spectral resolution and low-concentration detection in compact standoff sensing.
Adjustable polarization states and excitation angles help this objective lens improve optical detection sensitivity and precision across varied samples.
Rotatable optical filters replace a bulky spectrometer to isolate Raman signals for portable, low-cost analyte detection without sample damage.
A rare-earth solution and colloidal silica in one reference cell simplify fluorimeter wavelength calibration across UV, visible, and NIR spectra.
Beat-frequency lock-in detection cuts digitizer bandwidth needs in near infrared neuroimaging while preserving useful spectral analysis.
A scattering medium and compressive sensing recover spectra from speckle patterns, enabling compact spectrometers with high resolution.
Filtered white light and optical attenuation preserve tissue visibility without overpowering fluorescence, while LEDs reduce lamp maintenance.
Differential Geiger-mode sensing with signal differentiation and pedestal clamping extends fluorescence detection from single photons to high flux.
A free-space optics linkage with a homogenizer and beam expander boosts uniform excitation, eases alignment, and supports faster live-sample imaging.
Simultaneous fluorescence and color imaging uses segmented detection channels and a tunable lens to improve sensitivity and real-time surgical usability.
By scanning sample positions and selecting the peak Raman intensity point, this case improves focus accuracy and reduces signal distortion.
Combined optical and electrochemical sensing measures multiple biomarkers in one sample container, cutting prep time and sample deterioration.
Varying the number of active SPADs by incident radiation level extends dynamic range while limiting circuitry load and preserving signal quality.
Spatial information is encoded into orthogonal spectra by a metasurface array, enabling high-resolution single-fiber endoscopic imaging without scanning.
Paired filters on one carrier align separate excitation and detection beam paths, cutting mechanism complexity, space use, and material cost.
An air-layer cap keeps the sensing window separated from turbid water, preventing fouling and preserving precise underwater optical analysis.
Multiple light pulses and a trained 2D neural network separate fluorescence from Raman signals to improve identification accuracy.
Head-mounted UV lights follow the wearer’s view for hands-free fluorescence detection while filters limit visible-light interference.
Separate image-sensor regions capture Raman and standard light, enabling accurate wavelength-drift correction during long measurements.
Integrated source-and-detector calibration corrects radiation and detector drift without manual setup or external calibration targets.
Convex and concave mirrors guide microarray fluorescence to a sensor, avoiding chromatic aberration and simplifying optical alignment.
Fluorescence-quenching samples suppress matrix interference, enabling faster and more reliable Raman detection of analytes.
A liquid crystal modulator creates solid and doughnut-shaped spots on one path, reducing drift and noise in parallel imaging.
A wavelength-tunable probe laser mixes coherent Raman signals for electronic-domain detection, improving spectral resolution and low-concentration sensitivity.
Bulky diffraction-grating optics limit Raman resolution; a narrow-linewidth probe laser and heterodyne detection support sub-200 MHz analysis.
This coherent Raman approach replaces bulky optical dispersion with heterodyne detection for sub-200 MHz spectral resolution and low-concentration sensing.
Electronic heterodyne detection replaces bulky optical dispersion to resolve Raman peaks below 200 MHz through an external-sample fiber link.
Low-fluorescence polyester substrates reduce background noise for precise analyte detection.
A flow cytometry spillover editor uses triangular fluorophore grids with live visual feedback to clarify value adjustments.
Raman measurement controls TiO2 concentration in silicone resin, balancing UV-C resistance with elongation in medical cables and tubes.
A quantum dot reference material reduces temperature-dependent errors and aligns spectral intensity across multiple Raman spectrometers.
Electro-optic switching speeds solid-to-hollow light-spot conversion for fluorescence imaging.
A diode-pumped multipass cavity enhances spontaneous Raman scattering sensitivity for trace gas detection.
Computational removal of excitation components from combined spectra reveals hidden sample information while maintaining full instrument response range.
Out-of-plane imaging of multimode interferometer waveguide scattering captures spectral data via lateral light collection.
A diffusion barrier prevents silver oxidation in an activatable sensor stage, enabling customized sensitivity without premature degradation.
Waveguides coupled with scattering objects analyze light through mode interference, replacing bulky mechanical gratings to reduce spectrometer size and weight.
Grating scanning recognition counts luminescent analytes directly, bypassing slow imaging equipment and improving detection speed.
Parallel optical paths capture low and high resolution spectral cubes simultaneously for rapid processing.
An optical ring resonator spectrometer separates scattered light frequency components to reconstruct spectral profiles.
Segmented detectors with fixed gain levels eliminate spectral spillover variables and prevent signal saturation during flow cytometry analysis.
A portable spectrometer analyzes luminescence spectra from d10 metal salt cluster compounds to identify unknown substances.
A reflective cavity device diverges excitation light to cover large sample areas and enhances collection efficiency through multiple internal reflections.
Beam splitting system directs spectral signals to dedicated signal receivers, eliminating manual fiber switching and reducing device complexity.
Corrosive etching shapes a scanning probe micro-tip with a concavely curved lateral surface, resolving nanoscale measurement precision limits.
Optical fiber arrays feed a dispersion module that separates multiwavelength signals, reducing system complexity and optical interface losses.