Fs-Laser Fiber Bragg Grating Manufacturing
Fiber Bragg Gratings (FBGs) are a core building block of modern optical sensing and photonic systems, widely used for precise measurement, filtering and signal conditioning. Femtosecond (fs) laser direct writing enables advanced grating designs (including chirped, apodized, tilted and multi-wavelength FBGs) to be inscribed directly through the fiber cladding and coating, without the need for photosensitization or stripping steps.
This approach provides full control over grating design and placement, from single customized structures to long, repeatable arrays, and is compatible with a wide range of standard and specialty fibers. Techniques such as Point-by-Point and Line-by-Line writing enable flexible fabrication strategies, including higher-order gratings, while offering a key advantage over phase-mask methods: rapid and straightforward adaptation between designs.
As a result, femtosecond-laser FBG manufacturing offers a robust and efficient pathway from advanced R&D to scalable production, well suited for demanding sensing environments and next generation photonic applications.
FBG SPECIFICATIONS
KEY APPLICATION MARKETS
Structural Health Monitoring
Distributed and multiplexed FBG arrays for monitoring strain, temperature and vibration in civil infrastructure, composites and large-scale structures.
Energy & aerospace sensing
Robust FBG sensors for high-temperature and harsh environments in oil & gas, power generation, hydrogen systems and industrial process monitoring.
Medical & biomedical devices
Miniaturized and stable FBG-based sensors for catheters, surgical tools and biomedical instrumentation.
Harsh-Condition Instrumentation and Specialty Fibers
Perfect for fabricating gratings in polyimide-coated, sapphire, or radiation-hard fibers used in demanding environments.
Why LABCORE-FBG?
The LABCORE-FBG platform is specifically designed to support femtosecond-laser FBG manufacturing, combining high-precision motion control, long-fiber handling and stable ultrafast laser integration within a flexible and scalable system. Its architecture enables accurate and repeatable grating placement over extended fiber lengths, supports both point-by-point and line-by-line writing strategies, and can accommodate a wide range of standard and specialty fibers. From advanced R&D to small-series production, LABCORE-FBG provides the stability, flexibility and process control required for reliable fs-laser direct FBG manufacturing.
