25mm Photomultiplier Tube L25D19
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Ships from:
United States
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On FindLight:
since 2014
Description
The L25D19 is a precision-engineered 25 mm (1”) diameter end window photomultiplier, renowned for its blue-green sensitivity thanks to its advanced bialkali photocathode. This photomultiplier is equipped with 8 linear focused type dynodes, making it an exceptional choice for applications requiring high sensitivity and precision. Its robust design ensures reliable performance across a variety of demanding environments.
Constructed with hard glass, the L25D19 offers a spectral range from 290 nm to 630 nm, which is ideal for detecting a wide spectrum of light. The photomultiplier’s refractive index is precisely measured at 1.49, ensuring minimal light loss and optimal performance. This model is particularly noted for its scintillation counting capabilities, fast time response, and excellent pulse height resolution, making it a valuable tool in scientific and industrial applications.
The L25D19 also features a standard voltage divider configuration, which includes a well-distributed voltage across its dynodes to maintain consistent performance and longevity. The design of this photomultiplier is focused on maximizing efficiency while minimizing noise, ensuring that every photon is accurately detected and measured. With these attributes, the L25D19 stands out as a reliable component in any photodetection system.
25mm Photomultiplier Tube L25D19
Specifications |
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|---|---|
| PMT Type: | PMT (photomutiplier tube) |
| Wavelength Of Max Response: | 630 nm |
| Wavelength Range: | 290 – 630 nm |
| Rise Time: | 1 ns |
| Multi Electron Rise Time: | 3.0 ns |
| Single Electron Jitter (FWHM): | 11 ps |
| Temperature: | -30 to 80 C |
Features
- Photomultiplier Diameter: 25 mm (1”) end window design.
- Photocathode Material: Blue-green sensitive bialkali.
- Dynodes: 8 linear focused type dynodes for enhanced performance.
- Scintillation Counting: Ideal for applications requiring fast time response and good pulse height resolution.
- Window Material: Hard glass with a spectral range of 290-630 nm.
- Refractive Index: 1.49, ensuring optimal light transmission.
- Sensitivity: Luminous sensitivity with CB and CR filters for versatile applications.
- Anode Sensitivity: Nominal and max rated anode sensitivity for varied operational needs.
- Dark Current: Low dark current at 20°C, ensuring minimal noise.
- Pulsed Linearity: Excellent pulsed linearity with minimal deviation.
- Pulse Height Resolution: High-resolution single electron peak to valley ratio.
Applications
- Scintillation Counting: Ideal for detecting and measuring ionizing radiation.
- Fast Time Response: Suitable for applications requiring rapid signal processing.
- Good Pulse Height Resolution: Ensures accurate measurement of signal amplitudes.
Frequently Asked Questions
The L25D19 is commonly used for scintillation counting.
The L25D19 has a fast time response and good pulse height resolution.
The quantum efficiency of the L25D19 photomultiplier tube is typically between 10-30% at a wavelength range of 290-700 nm.
The maximum anode current is 450 mA and the maximum cathode current is 1500 mA.
Yes, the L25D19 can be supplied with a custom designed voltage divider installed.