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The present work describes the procedures and results from the first temperature measurements in closed chamber detonations obtained using the thermoluminescence (TL) of particles specifically developed for temperature sensing. Li2B4O7:Ag,Cu (LBO), MgB4O7:Dy,Li (MBO) and CaSO4:Ce,Tb (CSO) were tested separately in a total of 12 independent detonations using a closed detonation chamber at the Naval...
The objective of this work is to test three thermoluminescent (TL) materials, Li2B4O7:Cu,Ag (LBO), MgB4O7:Dy,Li (MBO) and CaSO4:Ce,Tb (CSO), as passive temperature sensors. Particles of these materials were subjected to two heating profiles: (a) a slow heating profile (2h inside a muffle furnace) or (b) a fast heating profile (dropping them through a temperature chamber for ~1s). The TL curves from...
It is proposed to control the beam quality of broad-area semiconductor devices by two-dimensional structuring enforcing phase coherence across the device. First results based on MMI couplers are presented.
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