51mm Photomultiplier 9954B
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United States
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On FindLight:
since 2014
Description
The **9954B** is a robust 51mm (2”) diameter end window photomultiplier tube, designed to deliver exceptional performance in a variety of applications. At its core, it features an enhanced green-sensitive bialkali photocathode, which ensures high sensitivity and efficient photon detection. The device is equipped with 12 BeCu dynodes, crafted in a linear-focused design, providing excellent linearity and timing characteristics. This makes the 9954B an ideal choice for applications requiring precise and reliable photon detection.
One of the standout attributes of the 9954B is its spectral range, which spans from 290 nm to 680 nm. This range ensures that the photomultiplier is effective across a wide spectrum of light, making it versatile for different scientific and industrial uses. The borosilicate window with a refractive index of 1.49 further enhances its optical performance. Additionally, the tube's quantum efficiency peaks at 28%, with a luminous sensitivity of 110 µA/lm, ensuring that even low-light conditions are handled with high accuracy.
The 9954B is engineered for durability and reliability, with an active diameter of 46 mm and a nominal anode sensitivity of 500 A/lm, extendable to a maximum rated sensitivity of 2000 A/lm. Its robust construction is reflected in its ability to operate effectively within a voltage range of 1800 V to 2300 V for nominal operations and up to 2100 V for maximum rated sensitivity. The photomultiplier's dark current is impressively low, ranging from 2 nA to 20 nA at nominal sensitivity, ensuring minimal noise and high signal integrity. With a weight of just 150 g, the 9954B is a compact yet powerful solution for high-energy physics studies and other demanding applications.
51mm Photomultiplier 9954B
Specifications |
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|---|---|
| PMT Type: | PMT (photomutiplier tube) |
| Wavelength Of Max Response: | 400 nm |
| Wavelength Range: | 290 – 680 nm |
| Rise Time: | 2 ns |
| Spectral Range: | 290 - 680 nm |
| Photocathode: | Bialkali |
| Active Diameter: | 46 mm |
| Overall Voltage For Nominal A/lm: | 1800 - 2300 V |
| Overall Voltage For Max. Rated A/lm: | 2100 V |
| Weight: | 150 g |
| Max. Temperature: | 60 ºC |
Features
- Enhanced Green Sensitivity: Features a bialkali photocathode for improved green light detection.
- Linear Focused Design: Incorporates 12 BeCu dynodes for excellent linearity and timing.
- Large Active Diameter: 46 mm active diameter for extensive light collection.
- High Quantum Efficiency: Achieves a peak quantum efficiency of 28%.
- Wide Spectral Range: Operates efficiently in the 290 - 680 nm range.
- Cost-Effective Option: Offers a lower-cost alternative within the 9954B series.
- Robust Anode Sensitivity: Nominal anode sensitivity of 500 A/lm, with a maximum rated sensitivity of 2000 A/lm.
- Excellent Timing Characteristics: Features a single electron rise time of 2 ns and a FWHM of 3 ns.
- Durable Construction: Made with borosilicate glass for reliable performance.
- Compact and Lightweight: Weighs only 150 grams, making it easy to integrate into various systems.
Applications
- Scintillation Counting: Designed for high-efficiency detection of scintillation light in nuclear instrumentation.
- Low-Level Light Detection: Ideal for laboratory and industrial applications requiring high sensitivity.
- Spectroscopy: Suitable for use in optical measurement and spectral analysis systems.
- Photon Counting Systems: Reliable performance for photon detection and counting applications.
Frequently Asked Questions
The 9954B is a 51mm (2”) diameter end window photomultiplier, with enhanced green sensitive bialkali photocathode, and 12 BeCu dynodes of linear focused design for good linearity and timing.
The 9954B Photomultiplier Tube has a capped base option available, voltage dividers available, and magnetic shields available. In addition, the UK factory supplies housings, power bases and signal processing electronics together with a new range of integrated detector modules.
The 9954B Photomultiplier Tube is used in high energy physics studies.
The 9954B Photomultiplier Tube has a spectral range of 290 - 680 nm.
The maximum rated anode sensitivity of the 9954B Photomultiplier Tube is 2000 A/lm.