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How Photonic Crystals Can Improve the Timing Resolution of Scintillators

Figure 1

Figure 1
PhC structures with (a) cylindrical holes and (b) cubic pillars.

Figure 2

Figure 2
Angular distribution of photons at each recurrence on the extraction face (a) without PhC and (b) with PhC.

Figure 3

Figure 3
Time distribution of extracted photons for the “as designed” and “as produced” PhC compared to an untreated LSO crystal.

Figure 4

Figure 4
Integrated photon yield over time for the “as designed” and “as produced” PhC compared with an untreated LSO crystal.

Figure 5

Figure 5
Soft nano-imprinting technology applied to a Formula${\hbox{Si}}_{3}{\hbox{N}}_{4}$ layer deposited on a BF33 glass sample. (left) Etching phases as a function of time from top to bottom. (right) Photographs taken in the beginning (top) and at the end (bottom) of the etching process. The polymer used for this test was NEB A2.