Tilted Fiber Bragg Grating Inscription in DPDSdoped Polymer Optical Fiber Using 266 nm Solid State Laser Pulses

We present the manufacturing of tilted fiber Bragg gratings (TFBGs) in poly (methyl methacrylate) (PMMA)-based polymer optical fibers (POFs) with a diphenyl disulfide (DPDS)doped core, utilizing a 266 nm pulsed laser and the phase mask technique. The TFBGs were inscribed using a consistent pulse ene...

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Bibliographic Details
Published in2024 9th Optoelectronics Global Conference (OGC) pp. 109 - 111
Main Authors Zhu, Xiangxi, Zhu, Haoming, Xin, Zixuan, Cheng, Xin, Tam, Hwa-Yaw, Qu, Hang, Hu, Xuehao
Format Conference Proceeding
LanguageEnglish
Published IEEE 10.09.2024
Subjects
266 nm laser
Fiber gratings
Fiber lasers
Gratings
Laser modes
Laser pulses
Laser stability
Manufacturing
phase mask
polymer optical fiber
Polymers
Reflectivity
Solid lasers
tilted fiber Bragg grating
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Summary:We present the manufacturing of tilted fiber Bragg gratings (TFBGs) in poly (methyl methacrylate) (PMMA)-based polymer optical fibers (POFs) with a diphenyl disulfide (DPDS)doped core, utilizing a 266 nm pulsed laser and the phase mask technique. The TFBGs were inscribed using a consistent pulse energy of 2.7 mJ and a scanning speed of 0.1 \mathrm{~mm} / \mathrm{s}. After inscription, the grating initially decayed but was subsequently restored through post-annealing at 80^{\circ} \mathrm{C} for one day, resulting in an even greater amplitude of the cladding modes.
DOI:10.1109/OGC62429.2024.10738772