Table 1

Device specifications.

Parameter
Value

Beam dimensions (-3dB)
D
D\\

3.12 mm
1.7 mm
Average output power
1–20 mW
Average output power density
24–480 mW/cm2
Maximum irradiation per stimulation session
2 Joule
Collimating lens coupling efficiency (685 nm, f = 4.6 mm, NA = 0.53)
96 %
Polarizer transmittance (685 nm, optic axis parallel to the diode junction)
75 %
Quarter-wave retarder transmittance, (685 nm)
93 %
Total optical system transmittance (685 nm)
67 %
Output polarization
linear/circular
Laser class
IIIb
Pulse modulation
0–10 000 Hz
Duty factor
10–90 %
Pulse sequence duration
1–30 sec
Pulse sequence repetition period
1–5 min
Number of pulse sequences
1–20
Maximum power consumption (5 V)
600 mW

Valchinov and Pallikarakis BioMedical Engineering OnLine 2005 4:5   doi:10.1186/1475-925X-4-5