LaBr3(Ce) - Scintillator Crystal

LaBr3(Ce) - Lanthanum Bromide - is a salt compound of lanthanum and bromine and one of a new generation of inorganic scintillator based gamma radiation detectors. LaBr3(Ce) scintillators have fast light output decay times provide excellent energy resolution performance.

LaBr3(Ce) scintillator crystals have:

Fast decay times - 25nsec
High light outputs - 63,000 Photons/MeV
The capability to achieve excellent Energy Resolution (e.g. c.2.6%@662keV, 2″ Dia./2″ Long)
Optical outputs with good linearity with temperature
The capacity to deal with high count rates
Excellent radiation hardness

LaBr3(Ce) scintillator crystals - issues to be aware of:

Hygroscopic and therefor require encapsulation

LaBr3(Ce) scintillator crystals are useful for applications such as:

Security - cargo inspection
Medical - SPECT
Industrial - Well logging
Nuclear and high energy physics - specialist applications

LaBr3(Ce) Scintillation Crystals - Optical Properties

Property	Units	Value
Wavelength (Max. Emission)	nm	380
Decay Times	ns	25
Light Yield	photons/keV	63
Radiation Length	cm	1.881
Radiation Length	g.cm⁻²	9.95
Moliere Radius	cm	2.816
Reflection Loss/Surface	%	6.8