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Mini-t Spectrometer -
Data Acquisition
The Mini-tau employs the measurement principle of Time
Correlated Single Photon Counting (TCSPC) for fluorescence
measurements from 30picoseconds to 10microseconds. For TCSPC
measurements we employ our TCC900 card. This is a PC plug-in
cards with PCI interface that incorporates all the necessary
electronic modules required for Time Correlated Single Photon
Counting. All the important operating parameters of the TCC900
are fully computer controlled. This includes constant fraction
discriminator, variable nanosecond delays, time to amplitude
converter and large memory for multi-channel analysis. All
that is required to perform TCSPC measurements is an optical
trigger pulse from the excitation light source and the raw
detector output from a single photon counting detector
connected to the START and STOP inputs of the TCC900
respectively.
The TCC card features:
• PCI interface
• Time ranges 2.5ns to 50microseconds full scale
• Time resolution from 610fs/ch
• Ultra-low jitter <25ps
• Forward and Reverse modes
• Exceptional differential non-linearity
• Integrated shifting delays
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