Hilger Crystals

Scintillation and Detection Solutions

Founded in 1874, Hilger Crystals has a well-established history and proven reputation for producing high-quality, commercial-grade synthetic scintillation crystals used in infrared spectroscopy and state-of-the-art detection solutions. Hilger’s ability to grow synthetic crystals in large volumes and to incredibly demanding specifications is further boosted by their close collaboration with customers — a practice that has proven successful from prototyping new research to wide-reaching commercial engagements.

Hilger produces an extensive range of scintillation crystals carefully selected for their high density and brightness, excellent light output, and short decay constants. Crystals are available as linear and two-dimensional arrays in sizes from 5mm to 200mm, and can be coupled to a position sensitive PMT, CCD array, SiPM, or linear photodiode to form a complete detector assembly.

Headquartered in Margate, Kent in the United Kingdom, applications utilizing Hilger’s products include baggage scanners, x-ray detectors, gamma ray detectors, non-destructive testing, medical imaging, academic research, and commercial research.

Crystal Compass

Hilger offers a wide range of scintillation crystals to suit a variety of applications in defense, security, and healthcare. Whether you seek crystals for their decay constant, density, peak scintillation wavelength, or light yield, Hilger has you covered. Use the Crystal Compass to find the crystal that’s best suited for your radiation detection application.

Find Your Perfect Crystal Now!

  • Radiation detection
  • Radiation imaging
  • Non-destructive testing
  • Infrared spectroscopy
  • X-ray detection
  • X-ray imaging
  • Medical imaging (PET/SPECT)
  • Baggage scanning
  • Academic and commercial research

Jim Telfer, General Manager

Lee Lythe, Business Development

  • Bismuth Germanate (BGO) – Bi4Ge3O12

    A relatively hard, high density, non-hydroscopic crystal with good gamma ray absorption. Often used for PET imaging and high energy physics applications as Compton shields.

  • Cadmium Tungstate – CdWO4

    A non-hygroscopic scintillator offering good light yield. Often used for CT applications. High radiopurity and low background.

  • CLYC – Cs2LiYCl6(Ce)

    CLYC offers good Pulse Shape Discrimination (PSD) for neutron detection and better gamma-ray resolution than NaI (Sodium Iodide) or CsI (Cesium Iodide) making CLYC an ideal solution for several classes of handheld instruments, including Personal Radiation Detectors aka PRDs.

  • Europium doped Calcium Fluoride – CaF2(Eu)

    Widespread application as a non-hydroscopic crystal with application for low energy and particle detection.

  • GLuGAG – (Gd,Lu)3,(GaAl)5,O12(Ce)

    Supplied as a sintered ceramic the material has high light yield and low afterglow.

  • Lutetium Yttrium Silicate (LYSO)

    A non-hydroscopic scintillator that is both bright and fast. Finds application where fast timing is needed such as PET and TOF PET.

  • Sodium doped Caesium Iodide – CsI(Na)

    A rugged material with high light output often used for geophysical applications. Does exhibit moisture sensitive properties.

  • Sodium Iodide – NaI

    The material is hydroscopic and emits at short wavelengths. Finds applications in research areas such as Dark Matter as it can be produced very radiopure.

  • Thallium doped Caesium Iodide – CsI(Tl)

    CsI(Tl) is a useful scintillator offering high light yield and emits at a wavelength suitable for silicon photomultipliers (SiPMs). Typical applications include arrays of this material used in security imaging systems, such as baggage scanners.

  • Thallium doped Sodium Iodide – NaI(Tl)

    Crystals are available in a wide range of standard sizes and configurations either as separate crystals or in complete assemblies. Maximum light transfer is achieved by employing a high efficiency reflector chosen to suit the particular application for which the crystal is required. Materials used are selected to ensure low background count.

  • Yttrium Aluminium Garnet (YAG)

    Widespread application as a non-hydroscopic crystal with application for low energy and particle detection.

  • Yttrium Aluminium Perovskite (YAP)

    Widespread application as a non-hydroscopic crystal with application for low energy and particle detection.

  • Zinc Tungstate

    A high density crystal with good radiation resistance and low afterglow properties. Typically used for particle physics and dark matter research.

  • Calcium Fluoride – CaF2

    Widespread IR and near UV application as spectroscopic windows, prisms and lenses. Useful application in the UV as Eximer laser windows.

  • Lithium Fluoride – LiF

    Lithium fluoride is used as a diffracting crystal in X-ray spectrometry. It has a large energy gap and its crystals are transparent to short wavelength ultraviolet radiation.

  • Potassium Bromide – KBr

    Potassium Bromide is one of the most useful materials for general purpose spectroscopic windows and applications where sensitivity to moisture is unimportant. KBr is the most commonly used beamsplitter material for IR spectrophotometers.

  • Potassium Chloride – KCl

    Potassium Chloride finds application for IR laser windows due to its high laser damage threshold.

  • Potassium Iodide – KI

    Potassium Iodide has few specific applications and is useful in very deep IR.

  • Sodium Chloride – NaCl

    Sodium Chloride, common rock salt, is one of the most useful materials for general purpose spectroscopic windows and applications where sensitivity to moisture is unimportant.


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Hilger Crystals - ISO Certifications: 9001, 14001, 45001
ISO Certifications: 9001, 14001, 45001

Scintillator Crystals, Arrays, and Detectors and IR Windows and Optics

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