638nm 16W Fiber Coupled Diode Laser
Features:
- 16W high-power stable CW output
- 638nm red wavelength, good beam quality.
- Industrial-grade stability, high efficiency
Applications:
- Main red light source for RGB laser projectors, digital cinema and large‑venue displays.High power and fiber output enable uniform illumination with low speckle.
- Ideal for high‑power fluorescence excitation, confocal microscopy and flow cytometry.638nm matches common fluorophores for clear, deep biological imaging.
- Used for high‑precision alignment in 3C manufacturing, automotive and large equipment.Stable red beam supports
- Suitable for Raman spectroscopy, optical sensing and laboratory laser sources.High stability supports precise measurement and analytical instrument integration.

Datesheet
Item No.: FC638DZ16
| Optical | |
| Center Wavelength | 638nm |
| Wavelength Tolerance | ±10nm |
| Output Power | 16W |
| Working Mode | CW |
| Fiber | |
| Fiber Core | 200um |
| Fiber Length | 1m/0.9mm |
| Fiber Numerical Aperture | 0.22NA |
| Fiber Connector | SMA905 |
| Electrical | |
| Operating Current Lop | 2.3A |
| Threshold Current Lth | 0.6A |
| Operating Voltage Vop | 27V |
| Thermal | |
| Test Temperature | 25℃ |
| Storage Temperature | -30~70℃ |
Design:

If you're working on precision measurement or high-end optical setups, a reliable red laser source can make all the difference. Our laser delivers both power and stability, with consistent performance that engineers and researchers rely on. The visible red wavelength provides strong contrast for metrology and alignment tasks, while the fiber coupled design fits smoothly into systems like interferometry, structured light, or profilometry. We've seen this laser perform exceptionally well in real-world applications-from complex lab experiments to rugged industrial setups-making it a go-to option when accuracy and brightness truly matter.
We also offer fibre optic coupling for other powers, which can be customised, and if you have other functional requirements, you can also ask us, and we will also design and help you! We also can offer laser chip, chip on submount and complete laser diode package,C-mount, TO-mount feel free to contact us.
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