How to Choose a Laser

1. Manufacturer Matters: Quality and Innovation

A reliable manufacturer is paramount. Look for established companies with a proven track record of producing high-quality laser diodes. Their commitment to research and development ensures access to cutting-edge technologies that can elevate your project’s performance.

2. Wavelength: Tailoring Light to Your Needs

The wavelength of a laser diode determines the color and interaction with materials. Barcode scanners typically utilize a 650nm red wavelength, whereas other applications might require specific wavelengths for tasks like scattering light through smoke or achieving optimal absorption in skin tissue. Cost can also be a factor. Common, high-volume laser diodes (like the 405nm used in Blu-ray) can be cost-effective for certain applications, while others might require precise wavelength tolerances.

3. Power Output: Balancing Performance and Safety

The required power output depends on the application. Patient alignment systems might function well with low-power lasers (<1mW), while 3D scanners might benefit from higher power diodes (>50mW) for improved image contrast. Remember to consider laser safety classifications when selecting power output. It’s generally recommended to choose a laser with at least 20% more power than strictly necessary to account for fluctuations and maximize the diode’s lifespan.

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By carefully considering the manufacturer, wavelength, and power output, you can select the ideal laser diode for your project. With the right choice, you’ll ensure optimal performance, maximize device lifespan, and prioritize safety.

Looking for the Perfect Laser Diode?

HK EQGOO LIMITED can assist you! We offer a wide range of laser diodes from leading manufacturers and provide technical expertise to help you make informed decisions. Contact us today to discuss your specific requirements and find the perfect laser diode for your application.