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Mini-tau Lifetime Spectrometer

  • Ultra compact filter-based fluorescence lifetime spectrometer
  • Short Lifetimes ranging from 25 ps to 50 μs
  • Integrated electronics with repetition rates up to 100 MHz
  • Ultra-fast blue or red sensitive single photon counting PMT for ultimate sensitivity
  • Fully comprehensive data acquisition and analysis

Product Description

The Mini-tau is an ultra-compact, low cost, filter-based fluorescence lifetime spectrometer for lifetimes ranging from 25 ps to 50 μs*. Using the Time-Correlated Single Photon Counting (TCSPC) technique, the Mini-tau is supplied with our F980 software and a USB connected TCC2 electronics module to enable fast, reliable, and accurate measurement and data analysis.

Whether you need to measure fluorescence lifetimes of time-resolved fluorescence anisotropy for research, quality assurance or teaching applications, the Mini-tau is the ideal all-inclusive, fully-integrated solution. The Mini-tau measures fluorescence lifetimes after numerical reconvolution based on the established Marquardt-Levenberg algorithm.

The F980 software supplied with the Mini-tau has an easy-to-use interface and allows users to comprehensively record data and accurately analyse complex decay kinetics of up to 4 lifetimes.

*Minimal lifetime resolution is laser dependent.

For more information, or to enquire, please contact a member of our sales team at


Technical Specifications

Mode of operation Time-Correlated Single Photon Counting (TCSPC)
Lifetime range Approx. 25 ps – 50 µs
Instrumental pulse width 250 ps (in standard configuration with diode laser excitation)
Excitation wavelengths All picosecond pulsed diode lasers (EPL Series) and pulsed LEDs (EPLED Series) can be used (375 nm through to 980 nm)
Attenuation 4 orders of magnitude, linear
Filter Wheel Comes as standard to accept 50 mm x 50 mm filters. Filter wheel with 5 bandpass filters of approx. 50nm width centred at 450nm, 500nm, 550nm, 600nm, and 650nm; one position without filter.
Detector Red-sensitive, high speed PMT detector. Hamamatsu H10720-01 detector with amplifier, interlock and overload protection in fan assisted TE cooled housing. Operating temperature 0°C. Spectral range: 230 nm – 850 nm, detector response width: 250 ps, dark count rate: 150 cps at 0°C
Data acquisition TCC2 electronics module: up to 8192 channels per curve, forward or reverse mode, minimum channel resolution 305 fs, 20 ps time jitter, TAC ranges from 2.5 ns to 50 µs
Data analysis Marquardt-Levenberg algorithm – up to 4 lifetimes – anisotropy calculation
Dimensions 265 mm (l) x 195 mm (d) x 125 mm (h) (excluding laser, detector, lid)
Weight 5 kg (excluding laser, detector)


F980 spectrometer operating software is at the heart of all our fluroescence spectrometers and is a fully comprehensive, user-friendly data analysis software package. Irrespective of system configurations, this software provides the user with complete control.

The F980 software is Windows 7, 8 and 10 compatible and is based on a data centred design that enables the user to focus on their measurement. This guarantees ease-of-use in the operation of a modular and potentially complex spectrometer.Minitau Fluorescence Lifetime Spectrometer Software

Measurement set-up and data acquisition is made through an intuitive menu system. Key spectroscopic parameters are easily accessed through functional groupings, while common measurement routines can be saved as method files to allow previous experiments to be easily repeated. Tabbed dialogue boxes and particular scan parameters are always visible during set-up. The current status of the instrument is also continuously displayed.

A unique feature of the F980 software is that all modes of data acquisition, including spectral scanning and lifetime acquisition in both MCS and TCSPC modes, are controlled from within one software package. Modern light sources, detectors, complex sample holders (plate reader, XY sample stages, titrator) and cooler options (thermostated sample holders and cryostats) are supported and fully software controlled.

Upgrade to FAST (Fluorescence Analysis Software Technology) software for the advanced analysis of fluorescence and phosphorescence decay kinetics.