NaI Scintillators

NaI:Tl inorganic scintillation crystals were discovered in 1948 and are still today the best known and most widely used scintillators. Despite the large number of scintillating compounds only few of them can compete with NaI:Tl in terms of light output, energy resolution, and definitely price.

  • Sizes of NaI:Tl crystals up to 300 mm in diameter and 500 mm long are commercially available
  • Light output 40,000 ph/MeV of gamma energy
  • Energy resolution near 6.5% at 662 keV
  • Available as packed crystals, with standard PMTs or with SiPM readouts
  • Custom configurations available upon request
  • 100% of crystals are subject to quality control by Zievert staff in the USA

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Specification

Item Crystal shape Crystal size, mm Vol.,cc Readout Additional Information
None
NaI-25×2 cylinder d25.4×2.0 1.0 Quartz window 0.1mm Be window for low energy X-rays.
NaI-25×25 cylinder d25.4×25.4 12.9 Quartz window Encapsulated in 1mm thick Al canister with a quartz window.
NaI-38×38 cylinder d38.1×38.1 43.4 Quartz window
NaI-51×51 cylinder d50.8×50.8 103.0 Quartz window
NaI-64×64 cylinder d63.5×63.5 201.0 Quartz window Encapsulated in 1.5mm thick Al canister with a quartz window.
NaI-76×76 cylinder d76.2×76.2 347.5 Quartz window
SiPM
NaI-14x2c-SiPM-T cuboid 14.0×14.0x2.0 0.4 2×2 6mm SiPMs 0.1mm Be window for low energy X-rays Fast and standard outputs. Integrated temperature sensor.
NaI-14x25c-SiPM-T cuboid 14.0×14.0x25.4 5 2×2 6mm SiPMs Fast and standard outputs. Integrated temperature sensor.
NaI-14x51c-SiPM-T cuboid 14.0×14.0x50.8 10 2×2 6mm SiPMs
NaI-14x102c-SiPM-T cuboid 14.0×14.0x101.6 20 Upon request Multiple readout configurations available.
NaI-51x51x13-SiPM-T cuboid 50.8×50.8×12.7 32.8 Upon request
PMT
NaI-25×25-R3998 cylinder d25.4×25.4 12.9 R3998 Encapsulated with magnetic shielding and moisture barrier.
NaI-25×25-R11265 cylinder d25.4×25.4 12.9 R11265U Low profile rugged metal case PMT.
NaI-25×51-R11265 cylinder d25.4×50.8 25.8 R11265U
NaI-25×102-R11265 cylinder d25.4×101.6 51.6 R11265U
NaI-38×38-R6231 cylinder d38.1×38.1 43.4 R6231 Encapsulated with magnetic shielding and moisture barrier.
NaI-51×51-R6231 cylinder d50.8×50.8 103 R6231 Encapsulated with magnetic shielding and moisture barrier.
NaI-64×64-R6233 cylinder d63.5×63.5 201.0 R6233 Encapsulated with magnetic shielding and moisture barrier.
NaI-64×160-R6233 cylinder d63.5×160.0 506.7 R6233
NaI-76×76-R10233 cylinder d76.2×76.2 347.5 R10233 Encapsulated with magnetic shielding and moisture barrier.
NaI-76×152-R10233 cylinder d76.2×152.4 695.0 R10233
NaI-4x4x16-R10233 cuboid 4”x4”x16”
101.6×101.6x 406.4		 4195 R10233 Encapsulated with magnetic shielding and moisture barrier.

Design and specifications are subject to change without notice.
For details please refer to the datasheet.

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