,A bird laser deterrent, also called a green laser bird repeller, is a modern device that uses a 520 nm green laser beam to keep birds away from farms, warehouses, airports, and other sensitive areas. It works by projecting a moving green laser light across open spaces or structures, which birds see as a solid, approaching object rather than a harmless light. Because birds' strongest sense is their vision, this sudden visual threat triggers their natural flight instinct, making them flee immediately. Over time, they learn to avoid the area altogether.

A "lifesaver" against drowsy driving: These green lasers are officially called anti-drowsy laser lights, and are warning devices specifically designed to improve nighttime driving safety on highways. They are not decorative or speed measuring devices.

Laser brightness is the luminous flux (current intensity) per unit area, determined by output power and beam cross-sectional area: with a constant area, higher power means higher brightness; with a fixed power, a smaller area means higher brightness. It is unrelated to wavelength.

Many drivers have experience driving long distances on highways at night. On long, straight sections of road, at tunnel entrances, and even on patrol cars parked on the roadside, you'll often see devices resembling green laser lights. This naturally raises the question: what exactly is the purpose o

In the field of photopolymer 3D printing, the combination of lasers and UV-curable resins is considered the core technology, directly supporting the stable operation of mainstream photopolymer 3D printing technologies such as SLA, DLP, and LCD. 

The Laser World of Photonics China 2026 will take place from March 18–20, 2026, at the Shanghai New International Expo Centre. Dongguan Bluniverse Laser Co., Ltd​ is a professional manufacturer specialized in laser diode modules with wavelengths covering 375nm to 980nm. Backed by over 15 years of expertise in laser technology, we are committed to delivering high-quality products to global clients.

Innovation in 3D scanning has changed how industries approach design, manufacturing, and digital preservation. At the heart of this transformation is the evolution of multi-line laser technology, a sophisticated approach that’s redefining scanning accuracy, efficiency, and reliability for applications ranging from industrial inspection to reverse engineering and cultural heritage conservation.

Laser diodes (LDs) are widely used in various fields such as optical communication, industrial processing, medical treatment, and sensing, and mastering their core terms is crucial for technical communication, product selection, and performance evaluation. These terms cover the most frequently used concepts in technical documents, product specifications, and marketing copy.

If you are handling a semiconductor laser for the first time, please pay attention to the following points. In addition, please refer to the application note and product specifications. Also, please avoid handling the laser outside the range of absolute maximum ratings, as this may lead to breakdowns or performance degradation.

Lasers are used in 3D scanning by projecting light onto an object and measuring the reflection to calculate distance, creating a detailed "point cloud" of millions of data points that form a 3D model. Scanners use methods like Time-of-Flight (ToF), measuring the time for pulses to return, or Laser Triangulation, using angles and known sensor positions to determine depth. This process captures precise geometric data for applications in architecture, engineering, gaming, and manufacturing.