Laser workstation for fiber bragg gratings, FBG writing FemtoFBG

FemtoFBGLaser workstation for fiber bragg gratings writing

FemtoFBG is a laser micromachining workstation optimized for fiber Bragg gratings (FBG) writing.

It is developed for scientific laboratories, R&D centers, and industrial clients working with fiber lasers, distributed sensors, and telecommunications.

Femtosecond FBG writing is a proven technology for universal Bragg Gratings writing in various optical fibers, including not UV-sensitized fibers.

The main advantage of the femtosecond laser writing unlimited length or structure of Bragg grating is not using a phase mask. Femtosecond lasers can be applied for Point-by-Point (PbP) and Line-by-Line (LbL) for up to 2nd order FBGs writing in various optical fibers, including multicore fibers. The smallest pitch in PbP writing is ~1 µm.

Femtosecond FBG writing using a phase mask enables long-term modifications that are impossible with Excimer lasers.

Main features

Direct writing (point-by-point, line-by-line, plane-by-plane)
Precise reflection/transmission spectrum control
Direct writing without immersion oil
Ultra-long FBGs
Apodized Bragg Gratings
Variety of optical fibers (single-mode, dual-cladding, multi-core, etc.)
Femtosecond FBG writing with a phase mask

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FemtoFBG

FemtoLab Kit

Benefits

Professional

Every workstation is built for accurate process control using leading hardware solutions
Easy-to-use

The system is designed for a simplified FBG writing process
Flexible

A single system can be used for different FBG writing techniques
Full Support

We will install the workstation at your premises and train your team
References

Our systems are installed in a diverse range of businesses, research universities, and organizations
1 Year Warranty

And after-warranty service

Configurations

	Standard	Advanced	Custom
Micromachining technologies	Direct laser writing	Direct laser writing, Mask writing	The system can include fiber drilling, marking, and other functionalities
Laser	Single-wavelength	Dual-wavelength	Design wavelengths/wavelengths can be chosen, including integration of the customer’s provided laser source
FBG writing options	Point-by-Point (PbP) writing, Line-by-Line (LbL) writing, Apodized gratings	Point-by-Point (PbP) writing, Line-by-Line (LbL) writing, Apodized gratings, FBGs are written using a phase mask	Optional interferometric technique
Fibers	Single-mode fibers, multicore fibers	Versatile	Versatile
Maximum fiber diameter	1 mm	Customer’s choice	Customer’s choice
Maximum working range	50x50x5	50x100x35	Up to 300×300
Flat samples processing	Included	Included	Included
Fiber core autofocus	–	Digital	Digital
Fiber tension control	–	Included	Holder designed according to individual requirements
Polarization control	–	Motorized	Motorized Linear Polarization rotation, Circular, Elliptical, Azimuthal, other
Writing	With positioning system	With positioning system and/or scanning unit	Positioning and scanning units can be chosen by the customer
Power control	Integrated external control	Integrated external control	Option for real-time pulse energy measurement
Vibration control	Passive	Antivibration isolation	Passive/Active

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Uniform & Apodised

Chirped, Phase shifted & Sampled

FBG writing benefits vs. other methods

Writing through the cladding – no need to strip the fibers before FBG inscription.
All fiber types – no need for UV photosensitivity.
Easy process tuning for different gratings – the mask is not required.
Nearly no system maintenance costs compared to excimer laser-based system.