Source: YouTube

The World of Distributed Feedback Lasers

Introduction

Distributed Feedback (DFB) lasers are a type of semiconductor laser diode that offer single-frequency, mode-hop-free operation. These lasers find applications in various fields such as gas sensing, spectroscopy, and communication due to their stable and tunable output.

Key Suppliers of DFB Lasers

RPMC Lasers

RPMC Lasers offers a range of DFB lasers in different wavelengths, including NIR, SWIR, and LWIR. These lasers are available in free-space and fiber-coupled configurations, making them versatile for various applications such as gas sensing and night vision.

Alpes Lasers

Alpes Lasers provides tunable DFB lasers with wavelengths ranging from 4 to 14 μm. These lasers emit a single wavelength at a time and offer tunability within a specific range, making them suitable for modulation for different purposes.

Quantifi Photonics

Quantifi Photonics offers the Laser 1200 Series, a compact fixed-wavelength laser source that can be customized to meet specific requirements in terms of wavelength and power. This laser source is available in benchtop or PXI form factor.

TOPTICA EAGLEYARD

TOPTICA EAGLEYARD offers a variety of laser types, including DFB lasers suitable for industrial applications. Their portfolio includes DFB lasers, Distributed Bragg Reflector lasers, and other types with different package designs to meet specific needs.

Koheras

Koheras provides single-frequency fiber lasers that are highly stable and low in noise levels. These lasers, available in erbium or ytterbium wavelength ranges, offer reliable operation even under changing environmental conditions, making them ideal for applications requiring low-intensity noise.

Eblana Photonics

Eblana Photonics specializes in Discrete-Mode laser diodes that are used for trace gas sensing, fiber sensing, LIDAR applications, and environmental monitoring in the near- and mid-IR range. Their patented technology ensures industry-leading performance and scalability.

Features and Applications of DFB Lasers

DFB lasers are known for their single-frequency operation, mode-hop-free tuning, and stability. They are widely used in various applications such as gas sensing, spectroscopy, LIDAR, and communication systems. The ability to tailor the wavelength, power, and packaging of DFB lasers makes them versatile for different industries and research fields.

In conclusion, Distributed Feedback lasers play a crucial role in modern technology and scientific research due to their precision, stability, and tunability. With a wide range of suppliers offering customized solutions, DFB lasers continue to drive innovation in diverse fields.

Source: Fosco Connect
Feel free to comment your thoughts.