Neutron detector | גלאי נויטרון

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English:

Scintillation detector for neutron counting
Li-based neutron scintillator
– unique ZnS/LiF technology, gamma blind
– contains natural lithium compound only
– nominal sensitivity s = 1.4 cps
– fast response – more than 10⁶ neutrons / second

Scintillation detector
– high signal over 10mV
– no microphonic effect
– ambient hv needed, typically about 1000 v
– pmt noise easily rejected by psd (pulse-shape discrimination)
– connectors: 1x shv (hv supply), 2x bnc (fast anode signal, last dynode signal)

OPERATION PRINCIPLE

Collect charges from
neutron-Carbon interactions
Regulate the detector
operation using the
well defined 8.4MeV peak
High purity single crystals
provide good spectral
resolution for high count
rate accuracy

10 In-Demand Radiation Detectors

Scintillation Detectors: These detectors are a broad and highly in-demand category. They work by using a material that emits light when struck by radiation. This light is then converted into an electrical signal. Different scintillators are used to detect various types of radiation, including X-rays, gamma rays, and even neutrons. They are widely used in medical imaging (PET scanners), homeland security, and high-energy physics.
Silicon Photomultipliers (SiPMs): A modern, solid-state alternative to traditional photomultiplier tubes. SiPMs are highly sensitive and compact, making them ideal for detecting the faint light signals from scintillators. Their use is rapidly growing in medical imaging and LiDAR systems.
High-Purity Germanium (HPGe) Detectors: These semiconductor detectors are the gold standard for gamma-ray spectroscopy due to their exceptional energy resolution. They are in demand for applications that require precise identification of radioactive isotopes, such as in nuclear safeguards, environmental monitoring, and forensic analysis.
Silicon Drift Detectors (SDDs): Used for X-ray spectroscopy, SDDs are a type of semiconductor detector that provides excellent energy resolution and can operate at room temperature. They are a core component of most modern Energy-Dispersive X-ray Spectroscopy (EDS) systems on scanning electron microscopes.
Gas-Filled Detectors: This is a foundational technology for radiation detection. Products like Geiger-Müller counters and proportional counters are still in high demand for radiation surveys and personal dosimetry due to their simplicity, reliability, and cost-effectiveness.
Thermoluminescent Dosimeters (TLDs): TLDs are used for personal dosimetry to measure radiation exposure. A crystal material stores the energy from radiation, which can later be measured by heating the crystal and detecting the emitted light. They are in high demand in hospitals and nuclear facilities to monitor worker safety.
Monolithic Active Pixel Sensors (MAPS): Unlike hybrid pixel detectors, MAPS integrate the sensor and readout electronics onto a single silicon chip. This leads to higher spatial resolution and is a top choice for particle tracking in high-energy physics experiments.
Cadmium Telluride (CdTe) and Cadmium Zinc Telluride (CZT) Detectors: These wide-bandgap semiconductor materials are in high demand for detecting X-rays and gamma rays because they can operate at room temperature with high efficiency and energy resolution. They are used in portable spectrometers and medical imaging.
Micro-channel Plates (MCPs): These are used as electron multipliers in a variety of detectors. They are essentially glass plates with millions of tiny channels that amplify a weak electron or ion signal to a detectable level. They are essential components in mass spectrometry and image intensifiers.
Activation Foils: These are not electronic detectors but are still in high demand for neutron dosimetry and flux measurement. A material like indium or rhodium is exposed to a neutron field, and the amount of radiation it emits afterward is used to determine the original neutron exposure.

Tags:

, fast neutron detector fast neutron detector, High chemical resistance High chemical resistance, Neutron Detection and Counting Neutron Detection and Counting, Neutron detector Neutron detector, Neutron detector | גלאי נויטרון Neutron detector | גלאי נויטרון, Small-size rugged detector Small-size rugged detector, tested up to 200ºC tested up to 200ºC, גלאי במידה קטנה גלאי במידה קטנה, גלאי נויטרון גלאי נויטרון, גלאי נויטרון מהיר גלאי נויטרון מהיר, גלאי נויטרונים מהיר גלאי נויטרונים מהיר, גלאי קטן גלאי קטן, ניתור נויטרונים ניתור נויטרונים, ספירת נויטרונים ספירת נויטרונים, עמיד ב-200 מעלות צלזיוס עמיד ב-200 מעלות צלזיוס, עמידות כימית עמידות כימית, Neutron Detectors Neutron Detectors, neutron-to-ionisation particle converter neutron-to-ionisation particle converter

תכונות חומרים
מרווח פס גדול (5.5 eV)
ניידות מוביל גבוהה (CVD גבוה טוהר)
קרינה קשה
זרם דליפה נמוך
פעולה בטמפרטורה גבוהה
עמידות כימית גבוהה
חוזק פירוק שדה חשמלי גבוה
קבוע דיאלקטרי נמוך (קיבול נמוך)
גלאי נויטרון
גלאי מחוספס בגודל קטן
פעולה פשוטה
אמינות גבוהה
חוסר רגישות לטמפרטורה (נבדק עד 200 מעלות צלזיוס)
מתאים ליישומים תעשייתיים תובעניים
גלאי נויטרונים מהיר ומחוספס מבוסס יהלומים
פועל עד 200 מעלות צלזיוס.