Hangzhou Brandnew Technology Co., Ltd. is one of China's leading manufacturers and premier suppliers of advanced 785nm 20w fiber coupled sma905 diode laser. Operating a state-of-the-art factory, we specialize in the entire production spectrum—from high-performance chips, TO/F/C Mounts, COS, and MCC bars, to robust stacks and advanced fiber-coupled solutions.
785nm 20W Fiber Coupled SMA905 Diode Laser
Features:
- 785nm near-infrared wavelength with ±5nm stability
- 400μm fiber core + 0.22NA numerical aperture
- Multi-pins configuration
- Low thermal resistance design
Applications:
- Raman Spectroscopy & Material Analysis: Serves as an ideal excitation source for Raman spectroscopy systems, enabling rapid and accurate detection of chemical composition in pharmaceuticals, food safety.
- Industrial Marking & Engraving: Suitable for high-contrast marking on non-metallic materials and thin metal surfaces, with the 400μm fiber core ensuring uniform energy distribution for clear, precise marks.
- Optical Pumping & Sensing: Acts as a pump source for low-power fiber lasers and optical amplifiers.

The 785nm 20W fiber-coupled diode laser features a multi-pins design, 400μm 0.22NA fiber, and SMA905 connector, combined with ±5nm wavelength stability and reliable high-power output. It is a versatile optical component optimized for Raman spectroscopy, industrial marking, biomedical research, and optical pumping applications that demand a balance of performance and compatibility.
Data Sheet
Item No:FC785DZ20
| Optical | |
| Center Wavelength | 785nm |
| Wavelength Tolerance | ±5nm |
| Output Power | 20W |
| Spectrum Width FWHM | 6nm |
| Fiber | |
| Fiber Core | 400um |
| Fiber Numerical Aperture | 0.22NA |
| Fiber Length | 1m/0.9mm Jacket |
| Fiber Connector | SMA905 |
| Electrical | |
| Operating Current Iop | 9A |
| Threshold Current Ith | 2A |
| Operating Voltage Vop | 6V |
| Aiming Beam | Optional |
| PD | Optional |
| Thermal | |
| Test Temperature | 25℃ |
| Storage Temperature | -30~70℃ |
| Wavelength Temperature Coefficient | 0.35mm/℃ |
Drawing:

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