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THz transmission spectroscopy and imaging: application to the energetic materials PBX 9501 and PBX 9502
David J Funk1, F Calgaro, R D Averitt
1Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA.
Abstract:
We report the measurement of the effective complex index of refraction near 1 THz for the Plastic-Bonded eXplosives PBX 9501 and PBX 9502. These plastic-bonded explosives consist of organic crystalline energetic materials, HMX and TATB, embedded in a binder matrix. We find that they are partially transparent at a few hundred GHz and we have applied a two-dimensional imaging technique for the detection of pre-fabricated defects in small samples.
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