here are the specs for that laser diode....
Parameters are as follows:
Continuous output power (W) 0.3
Peak wavelength λ (nm) 808 ± 10
Spectral width of Δλ (nm) ≤ 2.5
Threshold current (A) ≤ 0.10
Current (A) ≤ 0.40
Operating Voltage (V) ≤ 2.0
Slope efficiency (W / A) ≥ 0.95
Beam divergence angle...