Semiconductor Lasers: The Unsung Heroes of Modern Technology

Semiconductor Lasers: The Unsung Heroes of Modern Technology

In today’s technological world, semiconductor lasers are ubiquitous yet often overlooked, from supermarket barcode scanners to fiber optic communication networks, from laser printers to medical devices. This compact and highly efficient light source has become an indispensable part of modern life. This article will guide you through the working principles, development history, and wide-ranging applications … Read more

Working Characteristics of Semiconductor Lasers

Working Characteristics of Semiconductor Lasers

A semiconductor laser is a device that generates laser light through the principle of PN junction stimulated emission. Its excitation methods include electrical injection, optical pumping, and high-energy electron beam excitation. When designing the driving circuit for semiconductor lasers, it is essential to understand its working principle, but more importantly, to study its working characteristics. … Read more