785nm Laser Diode, Photop Model RLAS-785

The RLAS-785 laser module is a high-performance, fiber-coupled laser source designed for a variety of applications, including Raman spectroscopy, sensing, and biomedical research. It features a narrow linewidth of 0.1nm FWHM and a high output power of up to 450mW in free space. The module also offers high power stability, low power consumption, and high reliability, making it an ideal choice for demanding research and industrial applications.

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Typical Specifications:

- Central wavelength: 785nm
- Linewidth: 0.1nm FWHM
- Output power: up to 450mW in free space, up to 350mW multimode fiber coupled
- Power stability: ±2% ACC, peak to peak at constant temperature; ±5% ACC, peak to peak over operating temperature range
- Polarization ratio: 100:1 (linear, horizontal) in free space
- Beam diameter: 1mm x 1mm at output window, free space
- Beam divergence: 36mrad (fast axis), 6mrad (slow axis) at far field full angle, 1/e^2
- SMSR: 30dB
- Operating temperature: -20°C to 70°C
- Storage temperature: -40°C to +85°C
- Shock resistance: 500g, 1ms, 6 shocks (3 axes, 2 shocks/axis)
- Vibration resistance: 20~2KHz, 0.02g^2/Hz (3 axes, 1hr/axis)
- Expected lifetime (MTTF): 10,000hrs at room temperature

Electrical parameters:
- LD working current: 1550mA at -20°C to 70°C
- LD working voltage: 2.6V at room temperature
- Internal TEC voltage: 4.8V at room temperature
- Internal TEC current: 2.5A at room temperature
- Internal temperature sensor: 10KΩ at 25°C
- Input voltage: 4.8VDC to 5.2VDC
- Input current: 4A
- Input voltage ripple: 1%
- DC plug: ф5.5/ф2.1