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. Author manuscript; available in PMC: 2020 Dec 30.
Published in final edited form as: Radiat Res. 2020 Dec 1;194(6):625–635. doi: 10.1667/RADE-20-00060.1

TABLE 1.

Irradiation Parameters

Prescribed dose
CONV FLASH
Beam parameters 10 Gy 25 Gy 10 Gy 25 Gy
Graphite applicator type and size (mm) Circular Ø17 Circular Ø17 Circular Ø17 Circular Ø17
Source-to-surface distance (mm) 800 745 369–370 325
Pulse repetition frequency (Hz) 10 10 100 100
Pulse width (μs) 1.0 1.0 1.8 1.8
No. of pulses 1,170–1,180 2,620 1 2
Treatment time (s) 116.9–117.9 261.9 1.8 × 10−6 1.0 × 10−2
Mean dose rate (Gy/s) 0.09 0.1 5.6 × 106 2.5 × 103
Instantaneous dose rate (Gy/s) 8.5 × 103 9.5 × 103 5.6 × 106 6.9 × 106