并行12通道TCSPC系统

基本信息

Becker&Hickl并行12通道TCSPC系统

特点

  • 12个并行SPC-150NX模块在19英寸机柜
  • 高通量效率
  • 通道之间无串扰
  • 优秀的时间分辨率
  • 内部时间抖动1.6 ps RMS (3.5 ps FWHM)
  • 最小时间通道宽度407 ps
  • 超高IRF稳定
  • 输入鉴别带宽4 GHz
  • 每通道饱和计数率10MHz

 

Photon Channel  
Principle Constant Fraction Discriminator (CFD)
Discriminator Input Bandwidth 4 GHz
Time Resolution (FWHM/RMS, electr.) < 3.5 ps / 1.6 ps
Variance in Time of IRF centroid < 0.4 ps RMS over 100 s
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
Optimum 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
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 ?s
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 ?s
Min. Time Channel Width 407 fs
ADC Principle 50 ns Flash ADC with Error Correction
Diff. Nonlinerarity < 0.5 % RMS, typ. < 1 % peak-peak
Data Acquisition Histogram Mode
Method on-board multi-dim. 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 16 bits
Overflow Control none, stop, repeat and correct
Collection Time 0.1 ?s to 100,000 s
Diplay Interval Time 10 ms to 100,000 s
Repeat Time 0.1 ?s to 100,000 s
Sequencing Recording Programmable Hardware Sequencer, unlimited recording by Memory swapping, in curve mode and scan mode
Synchronisation with Scanning Pixel, Line and Frame from Scanning Device
Routing 7 bit, TTL
Experiment Trigger TTL
Data Acquisition FIFO / Parameter-Tag Mode
Method Time and wavelength tagging of individual photons and continuous writing to disk
Online Display Decay functions, 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 Channel (Counting Depth) unlimited
Output Data Format (ADC / Macrotime / Routing) 12 / 12 / 4
FIFO Buffer Capacity (Photons) 2 * 106
Macro Timer Resolution, Internal Clock 50 ns, 12 bit, overflows marked by MOTF entry in data stream
Input Macro Timer Resolution, Clock from Sync 10 ns to 100 ns, 12 bit, overflow marked by MOTF entry in data stream
Input Curve Control (external Routing) 4 bit, TTL
External Event Markers 4 bit, TTL
Enable Count Control 1 bit, TTL
Input Experiment Trigger TTL
Computer Interface
 
Principle High-Speed Parallel Interface
Text Widget
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