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Femtosecond inscription of fiber Bragg gratings through the coating with a Low-NA lens.
Opt Express. 2019 Jun 10; 27(12):16935-16944.OE

Abstract

Fiber Bragg grating (FBG) inscription in standard fibers with femtosecond (fs) laser pulses was first reported nearly two decades ago. FBG fs inscription through the fiber polymer coating was recently demonstrated with a phase mask (PM) and High Numerical Aperture (High-NA) cylindrical lenses. In this work, we report on a new technique for FBG inscription through the acrylate polymer coating of optical fibers using a Low-NA lens and the PM. The FBGs were inscribed through the polymer coating of the fiber after a suitable fs photo-treatment process that was done to the polymer coating. We experimentally demonstrate inscription of high-quality FBGs yet with some damage to the coating. We characterize the wavelength sensitivity to strain and temperature of the inscribed FBGs, and compare them to FBGs that were inscribed in fibers that have undergone stripping, inscription, and recoating. The technique may simplify FBGs inscription through the coating especially in large mode area fibers and double clad fibers for laser applications in the future.

Authors

No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

31252911

Citation

Halstuch, Aviran, et al. "Femtosecond Inscription of Fiber Bragg Gratings Through the Coating With a Low-NA Lens." Optics Express, vol. 27, no. 12, 2019, pp. 16935-16944.
Halstuch A, Shamir A, Ishaaya AA. Femtosecond inscription of fiber Bragg gratings through the coating with a Low-NA lens. Opt Express. 2019;27(12):16935-16944.
Halstuch, A., Shamir, A., & Ishaaya, A. A. (2019). Femtosecond inscription of fiber Bragg gratings through the coating with a Low-NA lens. Optics Express, 27(12), 16935-16944. https://doi.org/10.1364/OE.27.016935
Halstuch A, Shamir A, Ishaaya AA. Femtosecond Inscription of Fiber Bragg Gratings Through the Coating With a Low-NA Lens. Opt Express. 2019 Jun 10;27(12):16935-16944. PubMed PMID: 31252911.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Femtosecond inscription of fiber Bragg gratings through the coating with a Low-NA lens. AU - Halstuch,Aviran, AU - Shamir,Avishay, AU - Ishaaya,Amiel A, PY - 2019/6/30/entrez PY - 2019/6/30/pubmed PY - 2019/6/30/medline SP - 16935 EP - 16944 JF - Optics express JO - Opt Express VL - 27 IS - 12 N2 - Fiber Bragg grating (FBG) inscription in standard fibers with femtosecond (fs) laser pulses was first reported nearly two decades ago. FBG fs inscription through the fiber polymer coating was recently demonstrated with a phase mask (PM) and High Numerical Aperture (High-NA) cylindrical lenses. In this work, we report on a new technique for FBG inscription through the acrylate polymer coating of optical fibers using a Low-NA lens and the PM. The FBGs were inscribed through the polymer coating of the fiber after a suitable fs photo-treatment process that was done to the polymer coating. We experimentally demonstrate inscription of high-quality FBGs yet with some damage to the coating. We characterize the wavelength sensitivity to strain and temperature of the inscribed FBGs, and compare them to FBGs that were inscribed in fibers that have undergone stripping, inscription, and recoating. The technique may simplify FBGs inscription through the coating especially in large mode area fibers and double clad fibers for laser applications in the future. SN - 1094-4087 UR - https://www.unboundmedicine.com/medline/citation/31252911/Femtosecond_inscription_of_fiber_Bragg_gratings_through_the_coating_with_a_Low_NA_lens_ DB - PRIME DP - Unbound Medicine ER -
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