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FluoTime 250

FluoTime 250

Compact and Modular Lifetime Spectrometer

Modular lifetime spectrometer designed for flexible fluorescence and photoluminescence measurements in both materials and life science research.
FluoTime 250 compact modular lifetime spectrometer for fluorescence measurements
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Key Benefits

Quick, reliable workflows
Reproducible results with minimal effort
Space-saving design with full automation
Fast sample exchange
Modular configuration
Expert-level application support
Relevant for Your Research​

Matching Applications & Methods​

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Switcher A&M
Time-resolved photoluminescence emission spectrum showing three peaks from different semiconductor layers, illustrating layer-specific recombination dynamics.
Materials Science

Semiconductor Research

illustration of a van der Waals heterostructure emitting quantum light
Materials Science

2D Materials Research

Image of a solar cell surface structure used for optical characterization of charge carrier dynamics and recombination processes.
Materials Science

Solar Cell Characterization

Designed for Flexible High-Sensitivity Research

Reliable Time-Resolved Spectroscopy Made Easy

FluoTime 250 is a compact, modular filter-based lifetime spectrometer that brings high-quality time-resolved fluorescence and photoluminescence measurements into a streamlined and fully automated platform. Designed for both materials and life science research, it provides reliable data, fast setup, and the flexibility needed to handle routine tasks as well as evolving experimental demands. Drawing on PicoQuant’s expertise in pulsed excitation laser sources and time-correlated single photon counting (TCSPC), FluoTime 250 delivers precise, reproducible results without the complexity of a large-scale laboratory system.

Transient photoluminescence of S-doped carbon nitride.

High Sensitivity for Demanding Samples

Despite its compact footprint, FluoTime 250 delivers outstanding sensitivity. Single-photon detection capabilities and carefully optimized optical components enable reliable lifetime measurements even at very low concentrations, down to 10 pMol in benchmark tests. The system’s precise timing performance and efficient signal collection ensure high-quality, reproducible data across fluorescence and photoluminescence applications, making it a robust choice for both everyday routines and advanced research. 

Customizable, Modular Configuration

Designed to adapt to a wide range of scientific workflows, FluoTime 250 offers a highly modular configuration. Users can choose from multiple excitation sources and combine them with different detector options to match specific experimental needs. An optional UV/VIS monochromator provides additional spectral flexibility, while a variety of accessories and sample holders allow the system to evolve with changing research directions. This modularity ensures long-term versatility without sacrificing ease of use.

Fluorescence lifetime decays of Fluorescein with a concentration of 100 nM (black) or 25 pM (blue) acquired at 516 nm after excitation with 440 nm. Fluorescence lifetimes obtained from reconvolution fit are indicated in the legends.

Microvolume Fluorescence Insights

Working with precious samples often feels like a compromise between sensitivity and conservation, but this application note shows that it does not have to be. With only a few microliters, FluoTime 250 delivers reliable fluorescence and lifetime data even at picomolar concentrations. Learn how microvolume spectroscopy helps you protect valuable material, reduce reagent use and still achieve high quality results.

EasyTau 2: spectroscopy control and analysis software

EasyTau 2 Software for Intelligent Experiment Control

EasyTau 2 offers a unified interface that streamlines both instrument control and data analysis. Wizard-guided workflows simplify common measurements, while a customizable mode and scripting support enable automated or advanced experimental routines.

Versatile Sample Holders for Every Measurement

Integrating sphere for absolute photoluminescence quantum yield measurements
Integrating sphere for absolute photoluminescence quantum yield measurements with high accuracy for both liquid and solid samples.
Fiber-coupled sample holder for microscope-based luminescence measurements
Fiber-coupled sample holder enabling integration with confocal and widefield microscopes for steady-state and time-resolved luminescence measurements.
Adjustable wafer holder for flat sample measurements
Sample holder for wafers and flat samples up to 2 inches in diameter, with external controls for precise horizontal and rotational adjustment.
Liquid nitrogen cryostat for low-temperature spectroscopy measurements
Liquid nitrogen cryostat for liquid and solid samples with a temperature range from 77 to 500 K. The unit integrates into the sample chamber via a dedicated mounting adapter.
Closed-cycle helium cryostat for low-temperature photoluminescence measurements
Closed-cycle helium cryostat for photoluminescence measurements from 4 K to 500 K.
Temperature-controlled cuvette holder for liquid fluorescence measurements
Temperature-stabilized 1 × 1 cm cuvette holder for liquid samples, connectable to an external water bath for precise temperature control.
Adjustable solid sample holder for thin films and wafers
Sample holder for small solid samples such as coated substrates, thin films, powders, or wafers. The sample position and angle relative to the excitation beam can be manually adjusted.
Peltier-cooled cuvette holder for temperature-controlled measurements
Peltier-cooled 1 × 1 cm cuvette holder for liquid samples with a temperature range from −15 to 110 °C. Temperature control is fully integrated into EasyTau 2 for automated measurements at defined setpoints.
Scientific Insights & Resources

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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: Microvolume Fluorescence Spectroscopy Measurements

This application note shows how microvolume fluorescence spectroscopy with the FluoTime 250 enables sensitive lifetime and spectral measurements from minimal sample volumes.

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Application Note: Wafer Characterization

Application note on wafer characterization using time-resolved photoluminescence and TCSPC to analyze charge carrier dynamics in semiconductor materials.

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Technical Documentation and Data

Technical Downloads

Datasheet FluoTime 250

FluoTime 250 datasheet provides detailed technical information

Expand your System

Complete your system

Combine compatible components to build a complete system tailored to your experimental requirements and measurement workflows.

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