Integrated Moderators: DD109 M & DD110 M

Deuterium - Deuterium (DD) Generators

Integrated Moderator Neutron Generators

DD110M and DD109M are compact, high yield fast-neutron generators that have an integrated moderators that quickly thermalizes these fast neutrons, resulting in a high thermal neutron fluxes.

About the Systems

The new, revolutionary DD110M and DD109M are compact, high yield fast-neutron generators that have an integrated moderators that quickly thermalizes these fast neutrons, resulting in a high thermal neutron fluxes. The generator and moderator are in the same compact housing that can be wheeled around to different experiments or facilities. The thermal neutrons can be directed to output ports, sample chambers or beam collimators. These generators are revolutionary in that they produce thermal fluxes that are comparable to those obtained from research reactors and national neutron facilities, thus opening up to small laboratories the possibility of applications here-to-fore were reserved for the larger, more expensive facilities. These generators are well suited to materials analysis, radiography, and the teaching of nuclear physics.

Materials Identification
Moderating to thermal energies permits activation of many isotopes and makes the generator useful for materials analysis and identification. The generator has a high thermal neutron flux and so is a good source for Neutron Activation Analysis (NAA) and Prompt Gamma Neutron Activation Analysis (PGNAA). This moderated source closely mimics experimental research reactors, which have previously been the primary sources of thermal neutrons that can be used for NAA and PGNAA. Furthermore, the source can be pulsed or gated to minimize the noise background. This can be helpful for delayed neutron activation analysis.

Integrated Moderators: DD 110M & DD 109 M

Integrated Moderators: DD 110M & DD 109 M
DD Neutron Yield
8 x 107 to 1.6 x 109 neutrons/sec/steradian (in forward direction) [equivalent to up to 2 x 1010 n/s.
Neutron Energy
~2.5 MeV moderated to thermal (~25 meV)
Thermal Neutron Fluence
up to 2 x 107 neutrons/cm2/sec
Approximate Source Size (FWHM)
~5 cm diameter
Simple scheduled maintenance
≥ 2000 hrs, replacement of some internal parts
Standard operating mode
Continuous
Pulse on demand (option)
≥ 50 µS, to 100% duty factor

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