EasyTau 2 Data Acquisition and Analysis Software
- All-in-one software for control, acquisition, and analysis.
- Three modes: Wizard-guided, custom, and scripting.
- Advanced tools for lifetime fits, anisotropy, and global analysis.
- Automation-ready with powerful scripting language.
- User-friendly interface combining simplicity with scientific precision.
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Description
The EasyTau 2 software is an intuitive, though powerful, tool to acquire and analyze fluorescence spectra and lifetime decays obtained from FluoTime 300 and FluoTime 250 spectrometers. It can also be used as merely an analysis add-on software for home-built setups using PicoQuant TCSPC electronics through importing ASCII or phu files. EasyTau 2 combines easy-to-use algorithms with efficient data management, namely a tree structure that makes data dependencies visible at first glance.
The software is also equipped with a powerful report generator to create presentation-ready plots or tables as PDF or HTML files.
Specifications
Operation modes :
Wizard mode: step by step assistance
Customized mode: full control over instrumental parameter
Scripting mode: measurement routine automation
Fitting module :
Exponential decay models : Up to 5th order
Lifetime distributions : Gaussian, Lorentzian, stretched exponential (with up to 5 peaks)
Anisotropy : Up to 3rd order exponential decay model, tail fit of the anisotropy decay and anisotropy reconvolution
Decay parameters : Amplitudes, lifetimes, distribution width, background
Anisotropy parameters : Detection polarization angle dependent matching factor, amplitude, background
Reconvolution parameters : Background, time shift, scattered light contribution, pulse repetition rate
Algorithms
Nonlinear least squares fitting/MLE : Marquardt-Levenberg, Monte Carlo, manual parameter variation
Correction for finite IRF: Iterative reconvolution
Error test/assessment : χ2, distribution and autocorrelation of weighted residuals
Error analysis: Bootstrap
Global analysis/batch mode fitting : For all fitting models, number of data sets only memory limited
User interface
Graphical user interface: Windows based GUI
Display :Linear or logarithmic scale, zoomable
Data import : ASCII, phu, from Windows clipboard
Supported devices : FluoTime 300, FluoTime 250, PicoHarp 330, TimeHarp 260, MultiHarp 150
Application
Steady-state emission and excitation spectra
Fluorescence and phosphorescence lifetime decay
Time-Resolved Photoluminescence (TRPL)
Fluorescence anisotropy
Absolute quantum yield
Time-Resolved Emission Spectra (TRES)
Excitation-Emission Matrix (EEM)
Chromaticity plot option for electroluminescence measurements