Home

WELCOME TO CapeScint

High-performance scintillators manufactured in the USA

CapeSym, Inc. is a multi-faceted company offering novel and traditional scintillation crystals and detectors for nuclear detection, including ScintiClear™ SrI2(Eu), ElpasoLight™ CLYC(Ce), Lanthanum Bromide LaBr3(Ce), 6Lithium Iodide 6LiI(Eu), and other materials.

Our products

SCINTILLATION CRYSTALS

SCINTILLATION ASSEMBLIES

SCINTILLATION PROBES

How to choose

Select from standard encapsulation options or
order customized solution

Here you can order standard and customized scintillation crystals, detectors, and temperature stabilized IP rated detector modules.

  • Convenient filter
  • Personal library
  • 3D & 2D drawing
  • Customization
Start now

What we use

Scintillation Materials

SrI2(Eu)

ScintiClear™ is a high-performance SrI2(Eu)-based scintillator

▪ Light output 90,000 ph/MeV

▪ Energy resolution near 3% at 662 keV

▪ Density 4.6 g/cc and high effective atomic number

▪ Absence of internal activity

▪ Decay time about 3 us

▪ Excellent emission matching to SiPM sensitivity

▪ Sizes up to 2.5” in diameter and 4” long are available

Cs2LiYCl6   (CLYC)

ElpasoLight™ is a new material based on Ce-doped Cs2LiYCl6

▪ Medium light output 20,000 ph/MeV of gamma energy and 70,000 ph/neutron

▪ Energy resolution near 4% at 662 keV with PMT readout and near 5% with SiPMs

▪ High cross-section for thermal neutrons and sensitivity to fast neutrons via 35Cl reaction

▪ Sizes up to 3” in diameter and 12” long are available

LaBr3(Ce)

Lanthanum Bromide is well known fast and bring scintillator

▪ Light output 70,000 ph/MeV

▪ Energy resolution near 3% at 662 keV

▪ Density 5.1 g/cc and high effective atomic number

▪ La-138 internal activity for calibration with minimal Actinides contamination

▪ Fast decay time 20 ns

▪ Sizes up to 3” in diameter and 3” long are available

Cs2HfCl6   (CHC)

CHC is a new wide band gap intrinsic scintillating material

▪ High stopping power Zeff=58

▪ Energy resolution near 4% at 662 keV

▪ Minor hygroscopicity

▪ Sensitivity to fast neutrons via 35Cl reaction

▪ Custom shapes and encapsulation configurations are available upon request

NaI(Tl)

NaI(Tl) inorganic scintillation crystals for gamma detection

▪ Light output 40,000 ph/MeV of gamma energy

▪ Energy resolution near 6.5% at 662 keV

▪ 100% of crystals are subject to quality control in the USA

▪ Sizes of NaI(Tl) crystals up to 5” in diameter and 16” mm long are commercially available

CsI(Tl)

CsI(Tl) inorganic scintillation crystals for gamma detection

▪ Light output 55,000 ph/MeV of gamma energy

▪ Energy resolution near 6% at 662 keV

▪ 100% of crystals are subject to quality control in the USA

▪ Sizes of CsI(Tl) crystals up to 5” mm in diameter and 16” m long are commercially available

CsI(Na)

CsI(Na) inorganic scintillation crystals for gamma detection

▪ Light output 40,000 ph/MeV of gamma energy

▪ Energy resolution near 6% at 662 keV

▪ Emission maximum peaks at 420nm

▪ 100% of crystals are subject to quality control in the USA

▪ Sizes of CsI(Tl) crystals up to 5” in diameter and 16” long are commercially available

6LiI(Eu)

Lithium Iodide is a classic scintillator for thermal neutron detection

▪ Light output 15,000 ph/MeV of gamma energy and over 50,000 ph/MeV for thermal neutrons

▪ Gamma energy resolution near 9% at 662 keV

▪ >95% 6Li enrichment

▪ Sizes of LiI(Eu) crystals up to 3” in diameter are commercially available

▪ Manufactured in the USA

About Us

Crystal growth company with more than 100-years of combined experience

Our manufacturing is leveraged by ongoing R&D and decades of experience in crystal growth, solid state physics, analytical chemistry, materials science, thermo-fluid transport, and engineering design. CapeScint as a subsidiary of CapeSym, Inc. has a long history working with the US Government as a contractor and as a supplier of essential goods and services. During the last 30 years CapeSym, Inc. supported missions of multiple US Government agencies including NASA, MDA, DoD, DoE, NIH, and DHS.

  • Customer oriented
  • Short delivery time
  • 100% USA based operation
  • Competitive prices