532nm Laser Diode, Photop Model GDLM-0004-WTA-18

The GDLM-0004-WTA-18 is a compact and reliable laser with a wavelength of 531-533nm and an output power of 3.5-4.0mW at 25°C. It features high power stability, low power consumption, and a wide operating temperature range of 0-45°C. This laser is suitable for a variety of applications, including rotary laser levels, surveying equipment, and laser alignment and pointing.

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Typical Specifications:

Optical Parameters:
- Wavelength: 531-533nm
- Output Power: 3.5-4.0mW at 25°C
- Power Stability: +/-5% over 2 hours at constant temperature
- APC Over Operating Temp Range: 2.7-4.7mW
- Residual IR: 1%
- Beam Diameter: 27mm at 60m
- Beam Divergence: 0.45mrad full angle
- Roundness: 70-100%

Electrical Parameters:
- LD Working Current: 255-400mA at 0-45°C
- LD Working Voltage: 1.6-2.2V
- Monitor Current: 5-110uA
- GDL Power Consumption: 0

Mechanical Parameters:
- Laser Head Dimensions: 38mm length, 11mm diameter
- Beam Alignment Tolerance: Position (∆r) of 0.3mm-0.5mm, angle of 7mrad-17.5mrad
- Storage Temperature: -20 to +60°C
- Shock: 1000g, 1ms, 6 shocks in 3 axes, 2 shocks/axis
- Vibration: 20-2000Hz, 0.02g²/Hz in 3 axes, 1hr/axis
- Expected Lifetime (MTTF): 10000hrs at room temperature