LED THT EOLD-1900-015-1
High Precision SWIR Source for Gas Sensing and Industrial Systems – 1900nm IR LED EOLD-1900-015-1
The EOLD-1900-015-1 is a high-performance 1900 nm short-wave infrared (SWIR) LED designed for advanced sensing, spectroscopy, and industrial applications. Developed by EPIGAP OSA Photonics, this infrared emitter delivers stable and reliable optical output for demanding scientific and industrial environments. Housed in a rugged TO-46 metal package with an integrated glass lens, the LED provides excellent durability, thermal stability, and long operational life. Operating within the deep 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-1900-015-1 is widely used in gas sensing, hydrocarbon detection, spectroscopy, and material analysis 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-1900-015-1 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-1900-015-1 provides an excellent solution for applications requiring precise, stable, and high-quality infrared light sources.
Understanding LED THT EOLD-1900-015-1
The EOLD-1900-015-1 operates at a peak wavelength of 1900 nm (1870–1930 nm range), a critical region for detecting water content and organic compounds through infrared absorption.
It delivers radiant output of ~1–2 mW at 100 mA, ensuring stable and reliable performance in sensing applications.
The LED features a narrow viewing angle of ~10°, enabled by its lens-based TO-46 design, allowing precise and focused illumination.
Its hermetic metal package provides excellent thermal stability and environmental protection, making it suitable for continuous industrial and scientific use.
Technical Specifications
| Parameter | Specification |
| Product | EOLD-1900-015-1 |
| Type | SWIR Infrared LED |
| Peak Wavelength | 1900 nm (1870–1930 nm) |
| Optical Output Power | ~1 – 2 mW |
| Forward Current | Up to 100 mA |
| Forward Voltage | ~1.15 – 1.65 V |
| Spectral Width (FWHM) | ~125 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
1900 nm SWIR Wavelength for Water & Organic Absorption
Operating at 1900 nm, the LED aligns with strong absorption bands of water and organic compounds, making it highly effective for moisture analysis and chemical sensing.
Focused Beam for High-Precision Applications
With a ~10° viewing angle, the integrated glass lens delivers highly directional infrared emission, enabling precise targeting in sensing and spectroscopy systems.
Optimised for Deep SWIR Sensing Applications
The 1900 nm wavelength is particularly useful in applications requiring deep infrared penetration and accurate absorption-based measurements.
Stable Radiant Output for Reliable Performance
Delivering ~1–2 mW radiant power, the LED ensures consistent signal output, supporting accurate detection in industrial and analytical environments.
Lens-Based Design for Enhanced Optical Control
The precision lens improves beam focus and intensity, making it suitable for applications requiring narrow and controlled illumination.
Robust TO-46 Hermetic Package
The metal housing ensures excellent mechanical strength, thermal stability, and environmental resistance, enabling long-term durability in harsh conditions.
Efficient Thermal Management
TO-can packaging supports effective heat dissipation, ensuring stable operation even at higher drive currents.
Industrial-Grade Reliability
Designed for demanding environments, the LED offers long operational life and dependable performance, reducing maintenance and downtime.
Easy Integration into Systems
The through-hole configuration allows seamless integration into PCBs and optical assemblies for both prototyping and high-volume production.
Applications Across Industries
Moisture Detection & Water Content Analysis
The 1900 nm wavelength is highly sensitive to water absorption, making it ideal for detecting moisture levels in food, pharmaceuticals, and industrial materials.
Gas Sensing & Environmental Monitoring
Used in infrared absorption-based gas detection systems, enabling accurate monitoring of gases and organic compounds.
Spectroscopy & Chemical Analysis
Ideal for spectroscopy systems where deep SWIR wavelengths enable precise identification of chemical compounds and materials.
Industrial Process Monitoring
Supports real-time monitoring of moisture, gases, and emissions in manufacturing and processing industries.
Biomedical & Analytical Applications
Applied in diagnostic systems and optical sensing technologies where deep SWIR wavelengths enable advanced analysis.
Safety & Hazard Detection Systems
Used in industrial plants for detecting hazardous gases and leaks, improving workplace safety and compliance.
Research & Scientific Applications
Widely used in photonics research, experimental setups, and optical testing systems requiring stable and focused SWIR light sources.
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-1900-015-1. 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
FAQs
What is the wavelength of EOLD-1900-015-1?
It operates at approximately 1900 nm in the SWIR spectrum.
What is the optical output power?
It delivers approximately 1–2 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 moisture detection, gas sensing, spectroscopy, and industrial monitoring 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-1900-015-1?
It operates at approximately 1900 nm in the SWIR spectrum.
What is the optical output power?
It delivers approximately 1–2 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 moisture detection, gas sensing, spectroscopy, and industrial monitoring 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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