Scintillator Materials for Physics Research
ATR Crystal supplies scintillation crystals, pixelated arrays and plastic scintillators for spectroscopy, particle counting and detector development. The selection depends on the radiation being measured, required signal response, detector geometry and optical readout.
Set priorities for energy resolution, timing, stopping power, intrinsic background and light collection, then compare materials against those requirements.
Select Materials by Measurement Task
Gamma Spectroscopy and Nuclear Measurements
NaI(Tl) and LaBr3(Ce) are options for gamma-ray spectroscopy. Compare the resolution target at a stated reference energy, count-rate conditions and available detector volume. Include the photosensor and coupling arrangement when specifying an acceptance test.
Both materials need moisture protection. Define the housing, window and optical interface along with the active crystal dimensions. For low-count-rate work, consider intrinsic background within the energy region being studied.
Particle Counting and Cosmic-Ray Triggers
SP101 plastic scintillators and ATR-P200 can be reviewed for counting, trigger and coincidence-detector projects. Specify active area, thickness, component length and sensor positions. For long bars or large panels, light attenuation and position-dependent response affect the detector design.
State whether the optical arrangement uses direct sensor coupling or a light guide, and describe the wrapping or reflector. Required response and uniformity should be assessed in that configuration.
Calorimeter Components and Fast-Timing Studies
For calorimeter prototypes, compare BGO and LYSO(Ce) against the stopping-power, response-time and readout requirements. Specify element dimensions, surface finish, optical isolation and the radiation exposure relevant to the experiment.
BaF2 has fast and slow scintillation components. Accessing its fast UV emission requires suitable sensor response, optical-window transmission and coupling. LYSO’s scintillation decay time is in the tens of nanoseconds. Detector timing resolution is a separate measured quantity that also depends on the readout and analysis.
Compact Gamma Detectors and Pixel Readout
GAGG(Ce) arrays are an option for compact gamma-detector studies. Identify pixel count, pixel dimensions, final pitch and light-output faces. Include whether the sensor reads pixels individually or uses a shared optical arrangement. This information supports review of reflectors, coupling and mechanical alignment.
Evaluate Timing and Background in the Intended Setup
A timing claim should state what was measured: scintillation decay, a detector timestamp or coincidence timing resolution. Keep the sensor, optical configuration and test conditions with the result. A fast component alone does not establish a complete detector’s timing performance.
For low-background experiments, material selection also needs an energy region of interest, acquisition duration and background acceptance criterion. Intrinsic activity has been studied in lutetium-based detectors and LaBr3(Ce) detectors. The studies provide material-selection context. Background acceptance for a requested component must be defined with its measurement configuration.
If radiopurity is a project requirement, include the assay method and acceptable contamination levels in the inquiry. A general purity label or material name is insufficient to establish suitability for a rare-event search.
Define the Component and Acceptance Test
| Specification input | Details to include |
|---|---|
| Radiation and measurement | Particle or photon type, energy range, count or flux conditions, and the experimental measurement. |
| Geometry | Active dimensions, tolerances and mounting space; pixel count and final pitch for arrays. |
| Optical readout | Sensor model, spectral response, sensor positions, light-guide arrangement and coupling method. |
| Surfaces and packaging | Polished or other requested surfaces, reflector configuration, light-output faces, housing and window requirements. |
| Acceptance criteria | Energy-resolution reference, timing measurement, uniformity or background limits, together with the test method. |
| Quantity and schedule | Prototype and repeat-order quantities, plus the requested delivery date for review. |
Explore the scintillation crystal range and the material selection guide for further comparison. Final processing and inspection requirements are confirmed for the quoted component.
Request a Research Scintillator Quotation
Send your drawing and experimental requirements, including any open material or interface questions. Identify whether the quotation covers a bare crystal, an encapsulated crystal, a pixelated array or a plastic component.
Send your physics detector material requirements, or email drawings and test specifications to sales@atrscintillator.com.