808nm 25W Fiber Coupled Diode Laser Wavelength Stabilized
Features:
- Wavelength stabilized design using Volume Bragg Grating (VBG) for narrow linewidth and excellent spectral stability
- Central wavelength: 808 ± 0.5 nm
- Output power: up to 25 W (fiber-coupled)
- Fiber core diameter: 200 µm / 400 µm (optional)
- High coupling efficiency and compact, reliable design
- Low wavelength drift with temperature and current
- Integrated thermoelectric cooler (TEC) for precise temperature control
- High stability and long lifetime for continuous operation
Applications:
- Diode-pumped solid-state (DPSS) laser pumping (e.g., Nd:YAG, Nd:YVO₄)
- Medical and aesthetic laser systems
- Material processing and laser soldering
- Illumination and inspection
- Scientific research and spectroscopy
Applications in Medical and Aesthetic Laser Systems:
The 808nm fiber-coupled diode laser is one of the most popular choices in medical and aesthetic devices, thanks to its strong absorption in melanin and hemoglobin. With wavelength stabilization, it offers stable performance and consistent results - something very important for both safety and effectiveness.
1. Hair Removal
808nm is considered the gold standard wavelength for permanent hair removal. It targets the melanin in hair follicles efficiently while keeping surrounding skin safe.
The stable wavelength ensures uniform energy delivery, leading to smoother treatments and more predictable results. It's commonly used in diode laser hair removal machines with fiber output.
2. Vascular and Skin Treatments
Because 808nm light is also absorbed by oxyhemoglobin, it's great for vascular treatments and skin rejuvenation. The stable output helps reduce side effects and keeps every treatment consistent.
3. Soft Tissue Surgery
This wavelength can also be used for soft tissue procedures like ENT, dental, and gynecological surgeries.
With fiber delivery, doctors can work with high precision while minimizing bleeding and thermal damage.
4. Pain Therapy and Healing
Lower-power versions are often used in pain management, wound healing, and muscle recovery.
The stable wavelength helps achieve repeatable biological effects, which is key for consistent therapy results.
Why It's Preferred:
- Very stable wavelength and output for reliable treatments
- Compact and efficient design for easy system integration
- Long lifetime and high reliability for continuous clinical use
- Excellent beam quality through fiber coupling for precise energy delivery
Applications in Infrared Illumination & Detection：
The 808nm wavelength lies in the near-infrared (NIR) region, which makes it ideal for illumination, imaging, and sensing applications.
With its high brightness, narrow spectral width, and wavelength stability, the 808nm fiber-coupled diode laser provides a reliable and consistent light source for both industrial and scientific systems.
1. Machine Vision & Industrial Inspection
808nm lasers are often used as structured light or active illumination sources in machine vision systems.
They enable cameras and sensors to detect fine surface details, edges, or defects even under poor lighting or high-speed conditions.
The wavelength-stabilized design ensures stable optical power and uniform illumination, which is key for repeatable inspection results.
2. 3D Scanning & Depth Sensing
The stable wavelength and narrow linewidth help achieve high-accuracy depth mapping in 3D scanners and ToF (Time-of-Flight) systems.
808nm sources are commonly used in industrial metrology, robotic guidance, and alignment systems.
3. Night Vision & Surveillance
In security and surveillance systems, 808nm lasers serve as invisible illumination sources for cameras sensitive to near-IR light.
They provide clear imaging under total darkness without being visible to the human eye.
The fiber-coupled design allows easy integration into compact camera modules or remote illumination units.
4. Spectroscopy & Optical Sensing
The stable wavelength output makes it suitable for absorption or reflection-based spectroscopy, gas sensing, and bio-detection.
Its spectral stability ensures accurate, repeatable measurements, especially in long-term monitoring setups.
5. Positioning & Alignment Systems
Used in optical alignment, target tracking, or beam positioning where a clean and stable IR spot is needed.
The fiber output allows flexible beam delivery to confined or distant areas.
Why 808nm Wavelength-Stabilized Lasers Are Ideal
- Stable wavelength → consistent illumination and measurement accuracy
- High power density → strong and uniform IR lighting even at long distances
- Narrow linewidth → reduced background noise in sensing applications
- Compact and reliable fiber design → easy integration into OEM systems
We're glad to share that we have launched a new wavelength-stabilized fiber-coupled diode laser. This new model offers excellent wavelength stability and high reliability, making it ideal for demanding applications such as precision pumping, medical systems, and optical sensing. If you're interested or would like more details, please feel free to contact me anytime.