Laser Diode Note

Aug 16, 2016

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1. laser diode emitting laser may cause harm to the human eye. Diodes work, direct watch on its face, cannot look directly at the laser through the lenses, nor through the reverse mirror laser.

2. device need the right driver, instant reverse current must not exceed 2uA, reverse voltage must not exceed 3V, otherwise it will damage the device. Power supply in power supply when switching to prevent surge current measures. Oscilloscope test drive circuit, disconnect the power first and then connect Oscilloscope Probes, test the probe if the power situation, might refer to the inrush current damaged devices.

3. the device should be stored in or work in a clean environment.

4. working in high temperature, increases the threshold current, low transformation frequency, accelerated aging. When adjusting the optical input, optical power meter test, preventing more than rated output.

5. output power is higher than the specified parameters, accelerate component aging.

6. the need to fully heat sinks or cooling under the conditions of use of the machine, the temperature of the laser diode is strictly controlled at below 20 degrees, guarantee the service life.

7. the diode belongs to electrostatic sensitive devices in the human body has a good case to take, anti-static antistatic bracelets methods can be used.

8. output wavelength of the laser under the influence of heat dissipation of currents and to maintain good thermal conditions and reduce work die temperature. Plus high temperature in the radiator to prevent laser diodes in the work.