Max-Tau 12-Channel TCSPC System
12-Channel Fully Parallel TCSPC System
12 SPC-150NX modules in 19" Case
High throughput rate
No crosstalk between channels
Excellent time resolution
Internal timing jitter 1.6 ps RMS (3.5 ps FWHM)
Minimum time channel width 407 fs
Ultra-high IRF stability
Input discriminator bandwidth 4 GHz
Saturated count rate 10 MHz per channel
Photon Channel
Principle
Constant Fraction Discriminator (CFD)
Discriminator Input Bandwidth
4 GHz
IRF width, FWHM
<3.5 ps, FWHM
RMS timing jitter
1.6 ps, RMS
Variance in time of IRF centroid
<0.4 ps RMS over 100 seconds
Optimum Input Voltage Range
- 30 mV to - 500 mV
Min. Input Pulse Width
200 ps
Threshold
0 to - 250 mV
Zero Cross Adjust
- 100 mV to + 100 mV
Synchronisation Channel
Principle
Constant Fraction Discriminator (CFD)
Discriminator Input Bandwidth
4 GHz
Optimal Input Voltage Range
- 30 mV to - 500 mV
Min. Input Pulse Width
200 ps
Threshold
0 to -250 mV
Frequency Range
0 to 150 MHz
SYNC Frequency Divider
1 - 2 - 4
Zero Cross Adjust
-100 mV to + 100 mV
Time-to-Amplitude
Converters / ADCs
Principle
Ramp Generator / Biased Amplifier
TAC Range
25 ns to 2.5 us
Biased Amplifier Gain
1 to 15
Biased Amplifier Offset
0 to 50 % of TAC Range
Time Range incl. Biased Amplifier
1.67 ns to 2.5 us
min. Time / Channel
407 fs
ADC Principle
50 ns Flash ADC with Error Correction
Diff. Nonlinearity, electrical
< 0.5% rms, typ. <1% peak-peak
Data Acquisition (Histogram Modes)
Method
on-board multi-dimensional hardware histogramming process
Dead Time
100 ns, independent of computer speed
Saturated Count Rate (each channel)
10 MHz
Useful count rate (each channel)
5 MHz
max. Counts / Time Channel (counting depth)
216-1
Overflow Control
none / stop / repeat and correct
Collection Time
0.1 us to 100,000 s
Display Interval Time
10 ms to 100,000 s
Repeat Time
1 ms to 100,000 s
Sequential Recording
Unlimited recording by memory swapping
Synchronisation with Scanners
pixel, line and frame clocks from scanning device
Routing
7 bit TTL
Count Enable
1 bit TTL
Experiment Trigger
TTL
Data Acquisition (FIFO / Parameter-Tag Mode)
Method
Parameter-tagging of individual photons and continuous writing to disk
Online display
Decay function, FCS, Cross-FCS, PCH, MCS traces
FCS calculation
Multi-tau algorithm, online calculation and online fit
Number of counts of decay / waveform recording
unlimited
Dead Time
100 ns
Saturated count rate, peak (each channel)
10 MHz
max. counts / time cChannel (counting depth)
unlimited
Output Data Format (ADC / Macrotime / Routing)
12 / 12 / 4 bit
FIFO buffer Capacity (photons)
2·106
Macro Timer Resolution, internal clock
50 ns, 12 bit, overflows marked by MTOF entry in data stream
Macro Timer Resolution, clock from SYNC input
10 ns to 100 ns, 12 bit, overflows marked by MTOF entry in data stream
Routing
4 bit TTL
External event markers
4 bit, TTL
Experiment trigger
TTL
Computer Interface
Principle
High-speed parallel Interface
商品属性 [Saturated Count Rate] 10 MHz per channel [Time Channel Width] 407 fs