Table 1 Laser parameters used in the experiments.

From: Resonant dual-pulse laser ignition technique based on oxygen REMPI pre-ionization

Laser type

Wavelength (nm)

Pulse duration (ns)

Waist diameter (μm)

M2 factor

Energy (mJ)

REMPI

286–290

7

150

3.4

3

UV

266

7

150

1.9

20

NIR

1064

10

150

3.2

95

Thomson/Rayleigh scattering

532

12

170

2.1

5