Regeneration of FBGs during the HFCVD diamond-fiber coating process

Nélia J. Alberto; Hypolito J. Kalinowski; Victor F. Neto; Rogério N. Nogueira

doi:10.1117/12.2063377

22 August 2014 Regeneration of FBGs during the HFCVD diamond-fiber coating process

Nélia J. Alberto, Hypolito J. Kalinowski, Victor F. Neto, Rogério N. Nogueira

Proceedings Volume 9286, Second International Conference on Applications of Optics and Photonics; 928643 (2014) https://doi.org/10.1117/12.2063377
Event: Second International Conference on Applications of Optics and Photonics, 2014, Aveiro, Portugal

Abstract

In this work, the regeneration of saturated fiber Bragg gratings during the diamond coating of the fiber is presented. Due to the high temperatures characteristic of the hot filament chemical vapor deposition (HFCVD) process (around 800 ºC), uniform fiber Bragg gratings (FBGs) are not appropriate to be coated. Nevertheless, regenerated Bragg gratings are a suitable solution for this drawback. Its production process involves the inscription of a saturated FBG followed by a time consuming heat treatment. Here it is proposed to take advantage of the high temperatures characteristic of the HFCVD process to simultaneous regenerate the grating and coat the fiber with diamond.

Citation Download Citation

Nélia J. Alberto, Hypolito J. Kalinowski, Victor F. Neto, and Rogério N. Nogueira "Regeneration of FBGs during the HFCVD diamond-fiber coating process", Proc. SPIE 9286, Second International Conference on Applications of Optics and Photonics, 928643 (22 August 2014); https://doi.org/10.1117/12.2063377

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