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Experimental demonstration of a two-dimensional imaging was done by an emission radiography method based on nuclear resonance fluorescence (NRF) and a gamma-ray spectrometry. A wedge-shaped specimen made of natural lead, which simulated a special nuclear material, hidden in a radiation-shielding box made of natural iron was prepared. A photon beam of 5600 keV was generated using an electron storage...
Performance of the LaBr3(Ce) scintillator for nuclear resonance fluorescence (NRF) experiment was investigated. Linearity and energy resolutions of the LaBr3(Ce) scintillator of 3 inch in diameter ?? 3 inch in thickness were measured using NRF scattering gamma ray from 208Pb (5.5 MeV and 7.3 MeV) and 24Mg (10.7 MeV). The linearity of the output for the gamma ray energy was less than 1% and the energy...
We present a diode-pumped passively mode-locked Nd:YVO/sub 4/ laser with a repetition rate as high as 40 GHz. The laser generates 288 mW of average output power in 6.5-ps pulses at a wavelength of 1064 nm.
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