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The Sony SLD303WT is a gain‑guided, high‑power laser diode with a built‑in TE cooler, thermistor and photodiode. It delivers up to 500 mW radiant power and is suitable for solid‑state laser excitation and medical use.
The datasheet details the device’s electrical and optical parameters, absolute maximum ratings, pin configuration, temperature‑dependent wavelength and slope‑efficiency curves, as well as required safety measures such as eye protection and infrared‑blocking goggles.
| Maximum radiant power output | 500 mW |
|---|---|
| Recommended output power | 450 mW |
| Threshold current (Ith) | 450 mA (typ) |
| Operating current | 950 – 1500 mA |
| Operating voltage (Vop) | 1.9 – 3.0 V |
| Wavelength range | 770 – 840 nm |
| Radiation angle (perpendicular) | 28 – 40° |
| Slope efficiency | 0.65 – 0.9 mW/mA |
| Thermistor resistance (25 °C) | 10 kΩ |
| Operating temperature range | -10 °C to +30 °C |
| Storage temperature range | -40 °C to +85 °C |
The recommended output power is 450 mW.
Eye protection is required; always use safety goggles that block infrared rays and consider IR scopes or cameras for monitoring.
It operates over a wavelength range of 770 nm to 840 nm.