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FemtoFBG - Laser workstation for fiber Bragg gratings writing

  • Manufactured by: WOP - Workshop Of Photonics

Quick Overview

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

 

It is a perfect choice for scientific laboratories, R&D centers, and industrial clients working with telecommunications, distributed sensors, and Bragg Grating based devices development.

 

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Description

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

 

It is a perfect choice for scientific laboratories, R&D centers, and industrial clients working with telecommunications, distributed sensors, and Bragg Grating based devices development.

 

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 femtosecond laser writing is the ease of process tuning compared to a process using a UV phase mask.

 

Femtosecond lasers can be applied for Point-by-Point (PbP) and Line-by-Line (LbL) writing for up to 2nd order FBGs writing in various optical fibers, including multicore fibers. The smallest pitch in PbP writing is ~1 µm.​

 

 

Main features:

 

- Direct writing (point-by-point, line-by-line)
- Wide range Reflection/Transmission parameters control
- Variety of standard optical fibers

 

FemtoFBG configurations

 

 
Standard
Advanced
Custom
Micromachining technologies Direct laser writing Direct laser writing
The system can include fiber drilling, marking, phase mask writing, 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),
Line-by-Line (LbL)		 Point-by-Point (PbP),
Line-by-Line (LbL)		 Optional inclusion of alternative writing techniques or techniques
Fibers Single-mode fibers Single-mode fibers Multicore fibers, dual-cladding fibers
Maximum fiber diameter 1 mm Customer’s choice
Customer’s choice
Maximum working range 160x160x60 160x160x60
Up to 300×300
Flat samples processing Included Included
Optional
Fiber core autofocus – Digital Digital
Polarization control  – Motorized
Motorized Linear Polarization rotation, Circular, Elliptical, Azimuthal, or other
Writing With positioning system With a 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 Passive
Passive/Active
Fiber feeding Manual Manual
Reel-to-reel mechanism for writing without immersion oil

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