LED THT EOLD-1650-015-1
The EOLD-1650-015-1 is a high-performance 1650 nm short-wave infrared (SWIR) LED engineered for advanced sensing, spectroscopy, and industrial automation applications. Developed by
LED THT EOLD-1650-015-1
High Precision SWIR Source for Sensing and Industrial Systems – 1650nm IR LED EOLD-1650-015-1
The EOLD-1650-015-1 is a high-performance 1650 nm short-wave infrared (SWIR) LED engineered for advanced sensing, spectroscopy, and industrial automation applications. Developed by EPIGAP OSA Photonics, this infrared emitter delivers stable and reliable optical output for demanding scientific and industrial environments. Housed in a robust TO-46 metal package with an integrated glass lens, the LED provides excellent durability, thermal stability, and long operational life. Operating within the SWIR spectrum, it ensures accurate and consistent infrared illumination for applications requiring dependable optical performance. United Spectrum Instruments is the authorised distributor of EPIGAP OSA Photonics products in India.
Designed for advanced sensing and analytical systems, the EOLD-1650-015-1 is widely used in gas sensing, biomedical diagnostics, spectroscopy, and optical communication applications. Its focused emission profile improves detection sensitivity and enhances measurement accuracy in laboratory and industrial environments. The integrated glass lens enables efficient light concentration and precise beam control, making it suitable for compact sensing systems and specialised optical equipment requiring stable SWIR illumination. Its reliable infrared output ensures dependable performance in continuous-use monitoring and analytical applications.
The compact and durable construction of the EOLD-1650-015-1 allows seamless integration into industrial automation systems, laboratory instruments, and advanced sensing equipment. Its TO-46 metal housing supports efficient heat dissipation, helping maintain stable optical performance during prolonged operation. Combining focused SWIR illumination, rugged packaging, and dependable long-term performance, the EOLD-1650-015-1 provides an excellent solution for applications requiring precise, stable, and high-quality infrared light sources.
Understanding LED THT EOLD-1650-015-1
The EOLD-1650-015-1 operates at a peak wavelength of 1650 nm (1620–1680 nm range), placing it deep in the SWIR spectrum where strong absorption characteristics enable accurate sensing and analysis. It delivers radiant power of approximately 2–4 mW at 100 mA, ensuring stable and reliable performance.
The LED features a narrow viewing angle of ~10°, enabled by its glass lens design, allowing precise and focused infrared illumination.
Its hermetic TO-46 package ensures excellent thermal stability and environmental protection, making it suitable for continuous operation in demanding industrial and scientific environments.
Technical Specifications
| Parameter | Specification |
| Product | EOLD-1650-015-1 |
| Type | SWIR Infrared LED |
| Peak Wavelength | 1650 nm (1620–1680 nm) |
| Optical Output Power | ~2 – 4 mW |
| Forward Current | Up to 100 mA |
| Forward Voltage | ~1.25 – 1.75 V |
| Spectral Width (FWHM) | ~130 nm |
| Viewing Angle | ~10° |
| Package | TO-46 Metal Can (Glass Lens) |
| Mounting Type | Through-hole |
| Operating Temperature | -40°C to +85°C |
| Compliance | RoHS & REACH compliant |
Key Features and Advantages
1650 nm SWIR Wavelength for Advanced Sensing
Operating at 1650 nm, the LED is ideal for applications involving strong absorption of gases and organic compounds, making it suitable for spectroscopy and environmental monitoring.
Focused Beam for High-Precision Applications
With a ~10° viewing angle, the integrated glass lens provides highly directional infrared emission, ensuring accurate targeting in sensing and analytical systems.
Optimised for Gas Detection & Spectroscopy
The 1650 nm wavelength is particularly effective in gas sensing applications, enabling precise detection through infrared absorption techniques.
Stable Radiant Output for Reliable Performance
Delivering up to ~4 mW radiant power, the LED ensures consistent signal strength, improving measurement accuracy in industrial and laboratory environments.
Glass Lens Design for Enhanced Optical Control
The precision lens enhances beam focus and intensity, making it ideal for applications requiring narrow and controlled illumination.
Robust TO-46 Hermetic Package
The metal package provides excellent mechanical strength, thermal stability, and protection against environmental factors, ensuring long-term durability.
Efficient Thermal Management
TO-can packaging supports effective heat dissipation, allowing stable operation even at higher drive currents.
Industrial-Grade Reliability
Designed for demanding environments, the LED offers long operational life and dependable performance, reducing downtime and maintenance costs.
Applications Across Industries
Gas Sensing & Environmental Monitoring
The 1650 nm wavelength is widely used in infrared absorption-based gas detection systems, enabling accurate monitoring of gases in industrial and environmental settings.
Spectroscopy & Optical Analysis
Ideal for spectroscopy applications where SWIR wavelengths enable precise chemical identification and material analysis.
Biomedical & Medical Applications
Used in diagnostic systems and optical sensing technologies, where SWIR wavelengths allow deeper tissue interaction and non-invasive analysis.
Optical Communication Systems
The 1650 nm range supports optical communication and switching applications, enabling efficient signal transmission and detection.
Industrial Automation & Process Control
Used in automated systems for object detection, positioning, and process monitoring in manufacturing environments.
Safety & Security Systems
Supports infrared-based detection and monitoring systems used in industrial safety and security applications.
Why Choose United Spectrum Instruments?
United Spectrum Instruments is a trusted distributor of advanced photonics components in India. We provide expert consultation, product selection guidance, and integration support for infrared LEDs like the EOLD-1650-015-1. With strong technical expertise and responsive after-sales service, we ensure reliable sourcing and long-term performance. Our commitment to quality and customer success enables industries to implement efficient sensing, automation, and analytical solutions tailored to their specific application requirements.
- Extensive portfolio of THT LEDs for industrial, medical, and scientific applications
- Support for low-power and high-power LED integration projects
- Expertise in optical component selection for instrumentation systems
- Assistance in choosing correct viewing angles and beam profiles
- Reliable support for spectroscopy and fluorescence-based applications
FAQs
What is the wavelength of EOLD-1650-015-1?
It operates at approximately 1650 nm in the SWIR spectrum.
What is the optical output power?
It delivers approximately 2–4 mW radiant power at 100 mA.
What is the viewing angle?
It has a narrow beam angle of around 10° for focused illumination.
What applications is it best suited for?
It is used in gas sensing, spectroscopy, optical communication, and industrial automation systems.
Is it suitable for industrial environments?
Yes, it operates from -40°C to +85°C and is designed for reliable industrial use.
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FAQs
What is the wavelength of EOLD-1650-015-1?
It operates at approximately 1650 nm in the SWIR spectrum.
What is the optical output power?
It delivers approximately 2–4 mW radiant power at 100 mA.
What is the viewing angle?
It has a narrow beam angle of around 10° for focused illumination.
What applications is it best suited for?
It is used in gas sensing, spectroscopy, optical communication, and industrial automation systems.
Is it suitable for industrial environments?
Yes, it operates from -40°C to +85°C and is designed for reliable industrial use.
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