40W 974nm Infrared Laser Igniter: Portable High-Power Optical Source Demonstration

40W 974nm Infrared Laser Igniter: Portable High-Power Optical Source Demonstration

The Lilly Electronics 40W 974nm Infrared Portable Laser Igniter combines high optical output with a compact, rechargeable design for adult laboratory, engineering, educational, and optical testing applications.

Featuring a 40W optical output, 974nm infrared wavelength, USB-C rechargeable battery, CNC aluminum alloy housing, and integrated thermal protection, this portable optical source is designed for applications where a compact high-power infrared source is required.

Watch the 40W 974nm Infrared Laser Demonstration

The video below provides a closer look at the module, including its compact construction, optical output, controls, and operation.

Key Features

  • 40W optical output

  • 974nm infrared wavelength

  • Compact handheld design

  • CNC aluminum alloy housing

  • Built-in 1150mAh lithium battery

  • USB Type-C rechargeable

  • Coaxial auxiliary alignment light

  • Integrated over-temperature protection

  • Lightweight and portable construction

Compact 40W Infrared Optical Source

Despite its compact dimensions, the module provides up to 40W of optical output at 974nm.

The 974nm wavelength falls within the near-infrared spectrum and is largely outside normal human visual perception. This makes appropriate infrared laser safety procedures particularly important during operation.

The aluminum alloy enclosure provides a durable structure while also functioning as a heat sink during short operating intervals.

USB-C Rechargeable Portable Design

Unlike laser modules that require a separate external power supply, this unit incorporates a 1150mAh rechargeable lithium battery.

Charging is provided through a standard USB Type-C connection, making the module convenient for portable demonstrations, testing, and applications where access to a bench power supply may be limited.

Technical Specifications

Specification Details
Optical Output 40W
Wavelength 974nm Infrared
Battery Built-in 1150mAh Lithium Battery
Charging Port USB Type-C
Housing Material CNC Aluminum Alloy
Dimensions Approx. 22.5 × 22.5 × 102 mm
Weight Approx. 108 g
Protection Integrated Over-Temperature Protection
Recommended Operation Short operating intervals

Applications

The 40W 974nm portable infrared laser module is intended for adult professional and controlled-use applications, including:

  • Laboratory optical experiments

  • Engineering testing and development

  • Infrared optical demonstrations

  • Educational optical research

  • Component and material testing

  • Photonics experimentation

  • Other controlled optical testing applications

Suitability for a particular application should always be evaluated according to the required wavelength, optical power, operating conditions, and applicable safety requirements.

Operating and Thermal Protection

For best performance, the module should be operated in short intervals of approximately 3–5 seconds.

The CNC aluminum housing also functions as a heat sink and may become warm during operation. An integrated protection circuit is designed to stop optical output if the internal temperature reaches approximately 45°C.

Allow the unit to cool adequately between operating cycles.

Important Infrared Laser Safety Information

This is a high-power infrared laser product intended only for adult laboratory, engineering, educational, and controlled optical testing applications.

Because 974nm infrared radiation is not readily visible to the human eye, exposure can occur without the normal visual warning associated with a bright visible laser beam.

Always:

  • Use laser safety eyewear specifically rated for the operating wavelength and optical power.

  • Never direct the optical output toward people or animals.

  • Never direct the laser toward vehicles or aircraft.

  • Keep the product away from children and unauthorized users.

  • Operate only in an appropriately controlled environment.

  • Avoid reflective surfaces that could redirect the beam.

  • Follow all applicable local laws, regulations, and laser safety procedures.

  • Do not disassemble or modify the product.

Improper use of a high-power laser may result in serious eye injury, burns, fire, or equipment damage.

What's Included

  • 1 × 40W Mini Portable Infrared Laser Module

  • 1 × USB Type-C Charging Cable

  • 1 × User Guide

Learn More About the 40W 974nm Infrared Laser Igniter

For complete product specifications, current pricing, availability, and ordering information, visit the product page:

View the 40W 974nm Infrared Portable Laser Igniter →

For OEM, technical, or application-specific inquiries, contact Lilly Electronics for additional information.

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