Inspec keywords: optical fibre fabrication; torsion; optical fibre testing; diffraction gratings; mechanical variables measurement; laser materials processing

Other keywords: twisted fibre; long period fibre grating; CO₂; CO₂-laser induced LPFG torsion characteristics; resonant amplitude; resonant wavelength

Subjects: Optical fibre fabrication, cladding, splicing, joining; Mechanical variables measurement; Measurement of mechanical variables; Laser materials processing; Fibre optics; Optical fibre testing and measurement of fibre parameters; Other fibre optical devices and techniques; Laser materials processing