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2025-03-06 10:02:12 -

An Overview of Distributed Feedback (DFB) Lasers

Distributed Feedback (DFB) lasers are a critical technology in optical communication, spectroscopy, and sensing applications. They are widely used for their high spectral purity, narrow linewidth, and single-mode operation. This article explores the working principles, advantages, applications, and future trends of DFB lasers. What is a DFB Laser? A DFB laser is a semiconductor laser that...

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