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Precision Photonic Components for the Future

Raysung Photonics specializes in Fiber Bragg Gratings (FBG), Volume Bragg Gratings (VBG), Lensed Fibers, and high-reliability optical solutions for fiber lasers, sensing, and telecommunications.

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Company Profile

Raysung Photonics is a leading manufacturer specializing in Fiber Bragg Grating (FBG), FBG Filters, and Lensed Fiber technologies. With a strong focus on innovation and quality, we deliver high-performance photonic components for fiber lasers, sensing, and optical communication systems.

Our mission is to provide customer-oriented, high-quality, and reliable products tailored to meet the evolving demands of the photonics industry.

ISO 9001:2015

Certified Quality Management

ISO 14001

Environmental Compliance

Raysung Photonics

Core Technology & R&D

Our core technology and professional management teams bring decades of experience in the photoelectric field. We continuously invest in research and development to push the boundaries of optical component performance, reliability, and customization.

Advanced FBG Design

Customizable FBGs with ultra-low dispersion, high reflectivity, and thermal stability for ultrafast and high-power lasers.

Precision Lensed Fiber

High-efficiency coupling solutions with metallized and array configurations for diverse packaging needs.

VBG & Diffraction Gratings

High-efficiency wavelength stabilization and dispersion control for laser cavities and spectroscopy.

Our Products

Engineered for performance, reliability, and customization. Raysung offers a comprehensive portfolio of photonic components for industrial, scientific, and telecom applications.

Fiber Bragg Grating (FBG)

Fiber Bragg Grating (FBG)

High-reflectivity FBGs for fiber laser cavities, sensing, and filtering applications. Customizable wavelength, bandwidth, and reflectivity.

FBG for Ultrafast Lasers (CFBG)

FBG for Ultrafast Lasers (CFBG)

Ultra-low dispersion, high-reliability chirped FBGs designed for dispersion compensation in femtosecond and picosecond laser systems.

OTDR FBG Reflector

OTDR FBG Reflector

High-reflectivity FBG reflectors optimized for OTDR calibration and fiber testing with narrow bandwidth and low insertion loss.

Lensed Fiber

Lensed Fiber

Precision lensed fibers for efficient free-space coupling. Available in various lens types (hemispherical, hyperbolic, etc.) and fiber types.

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FBG + Lensed Fiber Turn-key

Integrated solutions combining FBG and lensed fiber in a single package for simplified integration into laser systems.

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Volume Bragg Grating (VBG)

High-efficiency VBGs for wavelength stabilization of laser diodes and narrowband filtering with excellent thermal stability.

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Polarization-Maintaining Patchcord

Low-loss PM patchcords with precise alignment for polarization-sensitive applications in interferometry and sensing.

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Lensed Fiber Array Unit (LFAU)

Multi-channel lensed fiber arrays packaged in V-grooves or ceramic ferrules for parallel optical coupling and photonic integration.

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FBG Mirrors for Fiber Laser Cavity

HR and OC FBG mirror pairs designed for Yb-doped double-clad fiber lasers to achieve high gain and efficient pumping.

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Why Choose Raysung?

Quality First

ISO9001:2015 and ISO14001 certified manufacturing with rigorous quality control.

Custom Solutions

Tailored optical components with customizable parameters to meet specific application needs.

High Reliability

Components engineered for long-term stability and performance in demanding environments.

Customer-Oriented

Dedicated support and technical expertise to ensure your success.

Latest News

July 10, 2025

Raysung at Laser World of Photonics 2025

Visit us at Messe München to discover our latest innovations in FBG and VBG technology.

April 16, 2024

SPIE Photonics West 2024 Exhibition

Raysung showcased advanced lensed fiber and FBG solutions for high-power lasers.

December 23, 2019

Meet Us at Photonics West 2020

We exhibited cutting-edge FBG and optical components for industrial and scientific applications.

Get in Touch

For inquiries, technical support, or custom solutions, please visit the official Raysung website to contact the team.

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