光电倍增管，光子探测器
PDM9107-CP-TTL
The PDM9107-CP-TTL is a cylindrical format photon counting module incorporating a high sensitivity, low noise, 29mm diameter photomultiplier, a fast amplifier-discriminator, and a low power high-voltage supply. The combination of high-speed electronics and fast photomultiplier with low dark counts enables a wide dynamic range to be achieved.A positive polarity high-voltage supply is used for maximum count rate stability at very low light levels and the spectral range is 280-630nm.
The TTL oputput of the PDM9107-CP-TTL is fully compatible with the MCS-CT3 multi-channel scaler/counter timer module for use in photon counting applications with a very wide dynamic range. The photomultiplier high-voltage and discriminator threshold level are pre-set for optimum performance, enabling photon counting operation simply by connecting to a +5V supply (which can be derived from the MCS-CT3).
- dynamic range from about 50cps to 100 Mcps (with count rate correction)
- 25mm diameter photosensitive input area
- other spectral range options
- low power consumption (approx 500mW)
- easy to use
Specification Summary
Photocathode |
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| active diameter (typical) | 25mm | ||
| quantum efficiency at peak (typical) | 28% | ||
| spectral range | 280-630nm | ||
Signal Output
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| TTL high level (terminated) | 3.3V | ||
| pulse-pair resolution | 25ns | ||
| dead time | 25ns | ||
| output impedance | 50Ω | ||
| dark count rate (typical, at 20°C) | 100cps | ||
| signal count rate (with correction) | max 100Mcps | ||
General |
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| supply voltage | +5V | ||
| suplly current (at signal=150Mcps) | 120mA | ||
| weight | 140 g | ||
| temperature range (operating) | +5 to +55 deg C | ||
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PDM02-9111-TTL
The PDM02-9111-TTL is a compact, rectangular format photon counting module incorporating a high sensitivity, low noise, 25mm diameter photomultiplier, a fast amplifier-discriminator, and a low power high-voltage supply. The combination of high-speed electronics and fast photomultiplier with low dark counts enables a wide dynamic range to be achieved. A positive polarity high-voltage supply is used for maximum count rate stability at very low light levels and the spectral range is 280-630nm.
The TTL output of the PDM02-9111-TTL is fully compatible with the MCS-CT3 multi-channel scaler/counter timer module for use in photon counting applications with a very wide dynamic range. The photomultiplier high-voltage and discriminator threshold level are pre-set for optimum performance, enabling photon counting operation simply by connecting to a +5V supply (which can be derived from the MCS-CT3).
- dynamic range from about 50cps to 100 Mcps (with count rate correction)
- 22mm diameter photosensitive input area
- other spectral range options
- low power consumption (approx 500mW)
- easy to use
Specification Summary
Photocathode |
|||
| active diameter (typical) | 22mm | ||
| quantum efficiency at peak (typical) | 28% | ||
| spectral range | 280-630nm | ||
Signal Output
|
|||
| TTL high level (terminated) | 3.3V | ||
| pulse-pair resolution | 25ns | ||
| dead time | 25ns | ||
| output impedance | 50Ω | ||
| dark count rate (typical, at 20°C) | 100cps | ||
| signal count rate (with correction) | max 100Mcps | ||
General |
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| supply voltage | +5V | ||
| supply current (at signal=150Mcps) | 120mA | ||
| weight | 210 g | ||
| temperature range (operating) | +5 to +55 deg C | ||
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PDM03-9107-USB
The PDM03-9107-USB is a rectangular lower cost photon counting module incorporating a high sensitivity, low noise 29mm diameter photomultiplier, fast counting electronics and a low power high-voltage supply. The combination of high-speed electronics and fast photomultiplier with low dark counts enables a wide dynamic range to be achieved. A positive polarity high-voltage supply is used for maximum count rate stability at very low light levels and the spectral range is 280-630nm.
The PDM03-9107-USB module is suitable for all applications involving photon-counting mode light detection down to single photons. The module is also very easy to use, the only additional requirement being a PC or laptop with a free USB port.
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