Table 1.
Parameters for SE25 and LaserShower cluster probe
| SE25 | LaserShower | |
| Number of lasers | 1 super-pulsed infrared | 4 super-pulsed infrared |
| Wavelength (nm) | 905 (±1) | 905 (±1) |
| Frequency (Hz) | 3000 | 1000 |
| Peak power (W)— each | 25 | 12.5 |
| Average mean optical output (mW)—each | 7.5 | 1.25 |
| Power density (mW/cm2)—each | 17.05 | 2.84 |
| Energy density (J/cm2)—each | 3.07 | 0.511 |
| Dose (J) - each | 1.35 | 0.225 |
| Spot size of laser (cm2)—each | 0.44 | 0.44 |
| Number of red LEDs | 4 red | 4 red |
| Wavelength of red LEDs (nm) | 640 (±10) | 640 (±10) |
| Frequency (Hz) | 2 | 2 |
| Average optical output (mW)—each | 15 | 15 |
| Power density (mW/cm2)—each | 16.67 | 16.67 |
| Energy density (J/cm2)— each | 3 | 3 |
| Dose (J) - each | 2.7 | 2.7 |
| Spot size of red LED (cm2)—each | 0.9 | 0.9 |
| Number of infrared LEDs | 4 infrared | 4 infrared |
| Wavelength of infrared LEDs (nm) | 875 (±10) | 875 (±10) |
| Frequency (Hz) | 16 | 16 |
| Average optical output (mW)—each | 17.5 | 17.5 |
| Power density (mW/cm2)—each | 19.44 | 19.44 |
| Energy density (J/cm2)—each | 3.5 | 3.5 |
| Dose (J)—each | 3.15 | 3.15 |
| Spot Size of LED (cm2)—each | 0.9 | 0.9 |
| Magnetic field (mT) | 35 | 35 |
| Irradiation time per site (s) | 180 | 180 |
| Total dose per site (J) | 24.75 | 24.30 |
| Aperture of device (cm2) | 4 | 20 |
| Application mode | Cluster probe held stationary in skin contact with a 90-degree angle and slight pressure | Cluster probe held stationary in skin contact with a 90-degree angle and slight pressure |
LED, light-emitting diode.