The Sony SLD302WT is a gain‑guided, high‑power laser diode with a built‑in TE cooler. It offers a recommended radiant power output of 180 mW and can be fine‑tuned by controlling the chip temperature. The device is supplied in a TO‑3 package that includes a thermistor and photodiode for monitoring.
The datasheet lists electrical and optical characteristics, such as threshold current, operating voltage, wavelength range, and slope efficiency, as well as safety precautions like the use of infrared‑blocking goggles when observing the beam. Detailed graphs illustrate radiant power, wavelength, and polarization dependence on temperature and drive current.
| Radiant power output (Po) | 200 mW |
|---|---|
| Recommended power output | 180 mW |
| Threshold current (Ith) | 150 mA (typ) |
| Operating voltage (Vor) | 1.9‑3.0 V |
| Wavelength range | 770‑840 nm |
| Slope efficiency | 0.65‑0.9 mW/mA |
| TE cooler operating current | 2.1 A |
| Operating temperature range | -10 °C to +50 °C |
The recommended power output is 180 mW.
Always use safety goggles that block infrared rays.
The device operates from –10 °C to +50 °C.
It uses a TO‑3 package with a built‑in TE cooler, thermistor, and photodiode.