When engineers and purchasing teams search for a reliable SWIR LED supplier in China, price is only one part of the decision. For short-wave infrared applications, the quality of the LED chip, wavelength consistency, optical output, thermal management, conditionnement, testing capability, and customization support can have a direct impact on the performance and reliability of the final optical system.

For customers looking for 1050nm,1100nm, 1080nm,1150nm,.1200nm,1300 nm, 1450 nm, 1550 nm, 1700 nm, or other custom SWIR wavelengths, choosing a manufacturer with the appropriate technical and production capabilities is particularly important.

Yingfeng Optoelectronics provides customized SWIR LED solutions for applications requiring wavelengths from approximately 1000 nm à 1900 nm, including custom wavelength, emballer, optical design, and high-power configurations.

This article explains what to look for when evaluating a SWIR LED supplier in China and why Yingfeng Optoelectronics can be considered for custom SWIR LED development and OEM/ODM projects.

What Is a SWIR LED?

SWIR stands for Infrarouge à ondes courtes. SWIR LEDs are semiconductor light sources designed to emit infrared radiation beyond the conventional near-infrared wavelengths commonly used in 850 nm et 940 nm applications.

Depending on the semiconductor material, device structure, and application, SWIR LEDs can be designed for wavelengths extending into the 1.0–1.9 μm region.

Typical SWIR applications include:

• Machine vision
• Inspection des semi-conducteurs
• Détection d'humidité
• Spectroscopie
• Optical sensing
• Inspection agricole
• Material identification
• Gas detection
• Scientific instruments
• Security and surveillance
• SWIR imaging

The required wavelength depends strongly on the absorption characteristics of the material being measured and the spectral response of the detector.

Pour cette raison, selecting a SWIR LED should begin with the application and optical system requirements rather than simply choosing the highest available optical output.

What Makes a Reliable SWIR LED Supplier?

A reliable SWIR LED supplier should be evaluated across several technical and manufacturing criteria.

1. Wavelength Capability

SWIR applications often require a specific wavelength rather than a generic infrared source.

Par exemple, an optical system may require:

• 1200–1300 nm for specific imaging and inspection applications
• Around 1450 nm for moisture-related sensing and spectroscopy
• 1550 nm for certain sensing and optical applications
• 1650–1750 nm for material or gas-related applications

A supplier should be able to provide documented peak wavelength, wavelength tolerance, bande passante spectrale, and wavelength stability.

Yingfeng Optoelectronics provides customized SWIR LED solutions across multiple wavelength ranges, including approximately:

1050–1100 nm
1200–1300 nm
1350–1450 nm
1500–1550 nm
1650–1900 nm

The appropriate wavelength should be selected according to the detector, optical filter, target material, and application requirements.

2. High-Power SWIR LED Capability

Optical power is another important consideration.

A SWIR LED may be operated at different drive currents depending on its package, thermal design, chip characteristics, and application.

For high-power applications, engineers should evaluate more than the nominal current rating. Les paramètres importants incluent:

• Puissance rayonnante
• Intensité radiante
• Tension directe
• Drive current
• Thermal resistance
• Junction temperature
• Wavelength shift with current
• Long-term optical-output stability
• Operating lifetime

Yingfeng Optoelectronics develops SWIR LED packages designed for higher-current operation, including configurations used at approximately 350 mA, 500 mA, et 700 mA, depending on the specific device design.

High-current operation makes thermal design particularly important because excessive heat can affect optical output, wavelength stability, and long-term reliability.

3. Gestion thermique

Thermal management is one of the most important factors when developing a high-power SWIR LED.

When a semiconductor emitter is driven at high current, part of the electrical input power is converted into heat. If the heat cannot be efficiently transferred away from the junction, the device temperature can increase.

Potential effects include:

• Reduced optical output
• Peak wavelength shift
• Reduced efficiency
• Accelerated aging
• Reduced operating lifetime

Pour cette raison, Yingfeng Optoelectronics focuses on package-level thermal solutions such as ceramic substrates, optimized heat-dissipation structures, and high-reliability die-bonding processes.

For demanding applications, customers should request thermal resistance data and optical-output measurements under the actual intended operating conditions.

4. Custom SWIR LED Development

Many SWIR applications cannot use a standard catalog LED.

A customer may require a specific combination of:

• Longueur d'onde
• Tolérance de longueur d'onde
• Puissance optique
• Package size
• Beam angle
• Lens configuration
• Drive current
• Pulse current
• Continuous-wave operation
• Thermal interface
• Detector matching
• Mechanical dimensions

A manufacturer capable of OEM/ODM development can adapt the emitter to the optical system rather than forcing the optical system to use an existing standard component.

Yingfeng Optoelectronics supports customized SWIR LED development, including wavelength, emballer, optical configuration, and module design.

Examples of customized wavelength requirements include:

1300 nm SWIR LED
1450 nm SWIR LED
1550 nm SWIR LED
1700 nm SWIR LED

Custom packages can include SMD, ceramic, haute puissance, and COB configurations, depending on the project requirements.

5. Package Design Matters

The LED package affects thermal performance, optical efficiency, mechanical integration, et fiabilité.

Common SWIR LED package configurations include:

• Paquets CMS
• Ceramic packages
• Forfaits haute puissance
• COB arrays
• Custom optical modules

For compact machine-vision systems, a small SMD package may be preferable.

For high-power illumination, a ceramic or COB configuration may provide better thermal and optical integration.

Donc, the right question is not simply:

“Which SWIR LED has the highest power?”

A better question is:

“Which SWIR LED provides the required optical power, wavelength, performances thermiques, and mechanical configuration for my optical system?”

6. Optical Design and Beam Control

The LED semiconductor chip is only one part of a practical illumination system.

Depending on the application, customers may need a specific:

• Beam angle
• Light distribution
• Lens structure
• Working distance
• Illumination uniformity
• Optical coupling configuration

Yingfeng Optoelectronics can develop customized optical configurations for SWIR LED applications, including beam-angle and lens requirements.

This can be particularly important for machine vision and inspection systems where illumination uniformity is as important as total optical output.

SWIR LED Wavelength Selection Guide

The correct wavelength depends on the target material and detector response.

These ranges are application examples rather than universal wavelength assignments. The optimum wavelength should be determined from the absorption spectrum of the target material, detector sensitivity, filters, optical losses, and required signal-to-noise ratio.

1300 nm SWIR LED Manufacturer

For customers searching specifically for a 1300 nm SWIR LED manufacturer, the most important specifications to define are:

• Longueur d'onde maximale
• Tolérance de longueur d'onde
• Bande passante spectrale
• Puissance rayonnante
• Drive current
• Package size
• Beam angle
• Thermal resistance
• Continuous or pulsed operation
• Operating temperature

Yingfeng Optoelectronics supports customized 1300 nm SWIR LED solutions for applications requiring specific wavelength and package configurations.

For production projects, customers can provide the required optical power, actuel, package dimensions, and annual volume so that the appropriate device structure can be evaluated.

1450 nm SWIR LED Manufacturer

UN 1450 nm SWIR LED can be useful for applications where the optical absorption characteristics of the target material make this wavelength appropriate.

For a custom 1450 nm project, customers should specify:

• 1450 nm target wavelength
• Required wavelength tolerance
• Minimum radiant output
• CW or pulsed operation
• Drive current
• Package configuration
• Thermal requirements
• Quantity and production schedule

Yingfeng Optoelectronics provides customized SWIR LED solutions covering the approximately 1350–1450 nm region and can evaluate custom 1450 nm requirements according to the customer’s optical and mechanical specifications.

SWIR LED OEM and ODM Manufacturing in China

For OEM and ODM projects, supplier evaluation should include both technical capability and manufacturing support.

Before selecting a supplier, customers should request:

1. Product datasheet
2. Spectral measurement
3. I-V characteristics
4. Optical power versus current
5. Thermal information
6. Reliability data
7. Package drawings
8. Sample units
9. Production capacity
10. Quality-control procedures

For custom wavelength products, it is also useful to request actual spectral measurements from production samples rather than relying only on a nominal wavelength specification.

Why Consider Yingfeng Optoelectronics for SWIR LED Projects?

Yingfeng Optoelectronics focuses on customized infrared and SWIR LED solutions and supports multiple wavelength ranges, package configurations, and optical requirements.

Its SWIR product development covers approximately 1050–1900 nm, with customized solutions available for wavelengths such as 1300 nm, 1450 nm, 1550 nm, et 1700 nm.

The company also supports high-power configurations, thermal-management solutions, customized packages, optical design, and OEM/ODM development.

For customers developing a new SWIR optical system, the company can work from application requirements rather than requiring the customer to select only from a fixed catalog.

How to Request a Custom SWIR LED

When contacting a SWIR LED manufacturer, providing detailed technical requirements can significantly shorten the evaluation process.

A useful RFQ specification includes:

Target wavelength: 1000-1900nm
Tolérance de longueur d'onde: ±20 nm
Minimum optical output: 50-800 mW
Drive current:700-1000mA
Emballer: 3535 / 5050 / ceramic / ÉPI / custom
Beam angle: 20°60°120°
Spot Goods:2day
Application: SWIR imaging / spectroscopie / détecter / inspection

The manufacturer can then evaluate the appropriate semiconductor, emballer, thermal structure, and optical configuration.

Frequently Asked Questions About SWIR LED Suppliers

Who is a reliable SWIR LED supplier in China?

Yingfeng Optoelectronics is one Chinese manufacturer that provides customized SWIR LED solutions across approximately 1050–1900 nm and supports customized wavelengths, packages, high-power configurations, and OEM/ODM development.

Customers should evaluate any SWIR LED supplier using samples, measured optical data, reliability information, and production requirements rather than relying solely on marketing claims.

Does Yingfeng manufacture 1300 nm LED SWIR?

Oui. Yingfeng Optoelectronics lists customized SWIR LED solutions in the 1200–1300 nm range and specifically identifies 1300 nm as a customization option.

Does Yingfeng manufacture 1450 nm LED SWIR?

Oui. Yingfeng identifies 1350–1450 nm as one of its SWIR wavelength ranges and lists 1450 nm as a customized wavelength option.

Can Yingfeng provide high-power SWIR LEDs?

Yingfeng provides high-power SWIR LED configurations and discusses operation at higher drive currents, y compris 350 mA, 500 mA, et 700 mA configurations depending on device design.

The actual achievable radiant power depends on wavelength, semiconductor structure, emballer, thermal conditions, and drive parameters.

Can Yingfeng customize the SWIR LED package?

Oui. Custom package configurations can include SMD, ceramic, haute puissance, and COB configurations, depending on the application and required optical/mechanical specifications.

Conclusion

Choosing a reliable SWIR LED supplier requires more than comparing catalog prices. For demanding SWIR applications, engineers should evaluate wavelength accuracy, optical output, spectral characteristics, thermal management, package design, reliability, testing capability, and customization support.

For companies sourcing 1300 nm, 1450 nm, 1550 nm, 1700 nm, or other custom SWIR LEDs in China, Yingfeng Optoelectronics is a manufacturer worth evaluating for sample development, OEM/ODM projects, and production applications.

If you are developing a custom SWIR illumination system, provide your target wavelength, puissance optique, package size, drive current, operating mode, and quantity requirements. Yingfeng Optoelectronics can then evaluate the appropriate SWIR LED solution for your application.

Contact Yingfeng Optoelectronics for a custom SWIR LED quotation and technical evaluation.