With the rapid growth of technologies such as 3D sensing, security surveillance, medical devices, and optical communications, the demand for high-performance infrared laser solutions continues to rise.
To meet these evolving needs, Yuanjing Optoelectronics Technology has introduced its SMD infrared laser VCSEL 3535 series. Covering a wide wavelength range—from 808nm to 1064nm—and offering optical output from 1W to 3W, this series delivers a strong combination of efficiency, precision, and reliability in a compact form factor.
What Makes VCSEL 3535 Stand Out?
The VCSEL (Vertical-Cavity Surface-Emitting Laser) 3535 series is designed for applications that require stable performance, long lifespan, and high optical efficiency.
Key Features
- Multiple wavelength options
Available in 808nm, 850nm, 940nm, 980nm, and 1064nm to suit diverse applications - High optical output power
Ranging from 1W to 3W, ensuring strong and consistent signal performance - Low beam divergence
Typically between 15°–25°, enabling better focusing and long-distance transmission - Energy-efficient operation
Optimized electro-optical conversion reduces power consumption while maintaining performance - Compact SMD 3535 package
Measuring just 3.5mm × 3.5mm, ideal for space-constrained designs - High reliability and long lifespan
Less than 5% light decay after 1,000 hours and under 20% after 50,000 hours - Efficient thermal management
Ceramic substrate design ensures stable heat dissipation for continuous operation
Where These VCSELs Are Used
Thanks to their versatility and performance, the VCSEL 3535 series is widely applied across multiple industries:
3D Sensing and Recognition
Wavelengths like 850nm and 940nm are ideal for:
- Face recognition systems
- 3D scanning
- AR/VR gesture tracking
Infrared Surveillance
Used in night vision and security systems, these lasers provide:
- Clear imaging in low-light conditions
- Reliable long-distance illumination
Medical and Phototherapy
The 808nm and 980nm options support:
- Laser therapy
- Infrared treatment devices
- Biosensing applications
Industrial Inspection
Suitable for:
- Non-contact measurement
- Automation systems
- High-precision detection
Optical Communications
Wavelengths such as 980nm and 1064nm are widely used in:
- Fiber optic communication
- Data center laser pumping
Core Technical Specifications
- Wavelength range: 808nm / 850nm / 940nm / 980nm / 1064nm
- Optical power: 1–3W
- Input voltage: DC 1.6–2.4V
- Beam divergence: 15°–25° (typical)
- Operating temperature: -40°C to +85°C
- Package: SMD 3535 with ceramic substrate
- Lifespan: Up to 50,000 hours
Practical Usage Tips
To ensure optimal performance and longevity, consider the following:
Thermal Management
At higher currents (above 700mA), proper heat dissipation is essential. A well-designed cooling system helps maintain stability and extend lifespan.
Soldering Guidelines
- Keep soldering temperature below 260°C
- Limit soldering time to 3–6 seconds
This helps prevent damage to the chip.
Optical System Design
Although VCSELs offer low divergence, adding suitable lenses can further improve beam focus and transmission distance.
System-Level Optimization
Performance can be influenced by circuit design, optics, and environmental conditions. Optimizing the entire system ensures the best results.
Why Choose Yuanjing Optoelectronics?
Yuanjing Optoelectronics Technology focuses on delivering high-quality optoelectronic solutions backed by strong technical expertise.
Their strengths include:
- End-to-end quality control from development to production
- Advanced LED and laser technology integration
- Reliable performance across consumer and industrial applications
- Continuous innovation to support product upgrades
Whether used in smart devices, industrial systems, or advanced sensing technologies, Yuanjing’s products are designed to meet demanding performance requirements.
Final Thoughts
As infrared laser applications continue to expand, compact and efficient solutions like the VCSEL 3535 series are becoming increasingly important.
With its combination of multiple wavelengths, high output power, compact design, and long-term reliability, this series offers a flexible and scalable solution for modern optoelectronic systems.
For engineers and product developers looking to enhance performance while maintaining efficiency, VCSEL technology represents a strong step forward.
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