Micro-Photoluminescence Upgrade

Microscope–Spectrometer Configurations

Add spectral and time-resolved photoluminescence to your setup through flexible microscope–spectrometer coupling options.
Coupled scanning microscope and spectrometer configuration for spatially resolved time-resolved micro-photoluminescence measurements.

Key Benefits

Insight into local material quality
Faster identification of defects
Accelerate materials development
Adapts to your research workflow
Expert-level application support
Relevant for Your Research​

Matching Applications & Methods​

Switcher A&M
Image of a solar cell surface structure used for optical characterization of charge carrier dynamics and recombination processes.
Materials Science
Microscopy image of a smartphone display captured through a 20x objective showing individual red, green, and blue pixels used for optical LED characterization.
Materials Science
Coincidence correlation showing photon antibunching of NV centers in nanodiamonds
Materials Science | Quantum Optics

Micro-PL Imaging and Spectroscopy in a Single Coupled Setup

Spatial, spectral, and lifetime information from the same sample area

From System Design to Measurement Insight

The Micro-Photoluminescence Upgrade combines a scanning microscope with a spectrometer to integrate spatial, spectral, and temporal information within a single measurement workflow. This coupling provides detailed insight into local photophysical and electronic behavior, revealing inhomogeneities, defect-related emission, and carrier dynamics that remain inaccessible with conventional spectroscopy. By uncovering these fine-scale variations, the upgrade offers a robust foundation for advanced research in photovoltaics, optoelectronics, nanomaterials, and semiconductor development.

TRPL imaging of CdTe wafers. Left: Intensity and lifetime images of a CdTe wafer before (a, d) and after thermal activation (b,e). Right: Statistical distribution of intensities (c) and lifetimes (e, f) before (blue) and after (green) thermal activation.

Key Micro-PL Methods

Micro-PL enables techniques that combine spatial, spectral, and temporal information to reveal local material properties with high precision. TRPL imaging maps spatial variations in luminescence lifetimes, uncovering defects, inhomogeneities, and recombination behavior across a sample. Carrier diffusion measurements build on this by tracking how charge carriers move away from their point of generation, providing insight into transport efficiency and loss pathways.

In-Depth Scientific Resources

Scientific Resources

Access in-depth application notes and scientific posters with detailed methods, measurement data, and real-world use cases.

Application Note: Measuring Steady-state and Time-Resolved Photoluminescence

Learn how time-resolved fluorescence techniques reveal excited-state dynamics and charge-carrier processes in materials.

Application Note: Time-Resolved Fluorescence Spectroscopy and Microscopy

How time-resolved fluorescence spectroscopy and microscopy reveal excited-state dynamics, defects, and charge-carrier processes

Poster: Measuring Steady-state and TRPL

Measuring steady-state and TRPL of a thin film CIGS solar cell by a positionable, micrometer-sized observation volume

Poster: TRPL of Up-Conversion Nanoparticle

TRPL reveals energy transfer processes, lifetimes, and spatially resolved optical properties

Poster: Photoluminescence Analysis of PV Devices

Poster on non-destructive photoluminescence analysis of PV devices using TRPL microscopy to study carrier dynamics, diffusion and material properties.

Customer Video: Study of Defects in Metal Halide Perovskites

In this customer video, Prof. Jinsong Huang (University of North Carolina) discusses how electronic defects affect efficiency and stability in perovskite solar cells and how FLIM helps visualize their impact.

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Micro-PL Upgrade

Available Microscope and Spectrometer Configurations

FluoMicMicroTime 100MicroTime 200
Microscope bodyUprightUprightInverted
Observation volumeµm-sized (2 - 100 µm)ConfocalConfocal
Image speedOptional scanning upgrade, depending on piezo scanner, > 30 secdepending on piezo scanner, > 30 secdepending on piezo scanner, > 30 sec, or FLIMbee galvo scanner, with FLIMbee several fps*
SoftwareSymphoTime 64SymphoTime 64SymphoTime 64
Carrier diffusion upgradenoyesyes
FluoTime 300FluoTime 250FlexLambda
Detector typePMA Hybrid SeriesPMA Hybrid Series, NIR PMTPMA Hybrid Series, SPAD
Number of detectors11 - 21 - 4
Spectral range

UV - Vis

UV - Vis - NIR400 - 1000 nm
Spectral resolutionSingle monochromator 1 nmSingle monochromator 1 nm, double monochromator better 0.1 nm1 nm
Detection sensitivity

Loss in single monochromator 60 - 70 % depending on grating and coating

Loss in double monochromator 70 - 75 % depending on grating and coatingTransmission > 80 %
SoftwareEasyTau 2EasyTau 2SymphoTime 64
DataTime-resolved emission spectra at point of interestTime-resolved emission spectra at point of interestTime-resolved emission spectra at point of interest, TRES imaging, wavelength-dependent antibunching

* FLIMbee only available with FluoTime coupling, not compatible with FlexLambda

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