An Endurance laser test 1.
Diode: NICHIA NUBM44 / NUBM47 laser diode @445 nm.
Average optical power on calorimeter: 1.25 watt
Laser diode voltage: 5V
Laser diode current: 7A
Duty ratio: 12.5%
Frequency – 250 Hz
Pulse duration – 0.5 ms (1/200) sec.
Optics – no lens.
Max power (Average/Duty ratio) 1.25/12.5% = 10 watt.
An Endurance laser test 2.
Diode: NICHIA NUBM44 / NUBM47 laser diode @445 nm.
Average optical power on calorimeter: 2.05 watt
Laser diode voltage: 7,07V
Laser diode current: 8A+
Duty ratio: 12.5%
Frequency – 500 Hz
Pulse duration – 0.5 ms (1/200) sec.
Optics – no lens.
Max power (Average/Duty ratio) 2.05/12.5% = 16,4 watt. (could be error in measurement due to calorimeter inertia)
An Endurance laser test 3.
Diode: NICHIA NUBM44 / NUBM47 laser diode @445 nm.
Average optical power on calorimeter: 2.05 watt
Laser diode voltage: 7,49V
Laser diode current: n/a
Duty ratio: 10%
Frequency – 500 Hz
Optics – no lens.
Max power in impulse: 9 – 9.5 watt.
