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 µs | |||
| 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 µs | |||
| 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 µs to 100,000 s | |||
| Diplay Interval Time | 10 ms to 100,000 s | |||
| Repeat Time | 0.1 µs 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 |
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| Principle | High-Speed Parallel Interface | |||
bh皮秒二极管激光器
德国Becker & Hickl公司可提供用于荧光寿命测量的皮秒二极管激光器，具有成本低、可靠性高、体积紧凑易集成、无需维护校准和脉宽窄等优点，被广泛的应用在TCSPC及FLIM测量实验中。
bh单光子探测器
德国bh公司可提供各种类型的单光子探测器，用于TCSPC光子计数和FLIM实验。包含混合型Hybrid PMT, 计数型PMT, SPAD, 计数型InGaAs, NbN超导单光子探测器。覆盖UV-NIR光谱范围，最高时间分辨率可达17.8ps, 通道数最多可达16个。