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Gunawardena DS, Mat-Sharif KA, Tamchek N, et al. Photosensitivity of gallium-doped silica core fiber to 193 nm ArF excimer laser. Appl Opt. 2015;54(17):5508-12doi: 10.1364/AO.54.005508.
Gunawardena, D. S., Mat-Sharif, K. A., Tamchek, N., Lai, M. H., Omar, N. Y., Emami, S. D., Muhamad-Yasin, S. Z., Zulkifli, M. I., Yusoff, Z., Abdul-Rashid, H. A., Lim, K. S., & Ahmad, H. (2015). Photosensitivity of gallium-doped silica core fiber to 193 nm ArF excimer laser. Applied optics, 54(17), 5508-12. https://doi.org/10.1364/AO.54.005508
Gunawardena, Dinusha S, et al. "Photosensitivity of gallium-doped silica core fiber to 193 nm ArF excimer laser." Applied optics vol. 54,17 (2015): 5508-12. doi: https://doi.org/10.1364/AO.54.005508
Gunawardena DS, Mat-Sharif KA, Tamchek N, Lai MH, Omar NY, Emami SD, Muhamad-Yasin SZ, Zulkifli MI, Yusoff Z, Abdul-Rashid HA, Lim KS, Ahmad H. Photosensitivity of gallium-doped silica core fiber to 193 nm ArF excimer laser. Appl Opt. 2015 Jun 10;54(17):5508-12. doi: 10.1364/AO.54.005508. PMID: 26192853.
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Appl Opt. 2015 Jun 10;54(17):5508-12. doi: 10.1364/AO.54.005508.

Photosensitivity of gallium-doped silica core fiber to 193 nm ArF excimer laser.

Applied optics

Dinusha S Gunawardena, Khairul A Mat-Sharif, Nizam Tamchek, Man-Hong Lai, Nasr Y M Omar, Siamak D Emami, Shahrin Z Muhamad-Yasin, Mohd I Zulkifli, Zulfadzli Yusoff, Hairul A Abdul-Rashid, Kok-Sing Lim, Harith Ahmad

PMID: 26192853 DOI: 10.1364/AO.54.005508

Abstract

Grating inscription in a Ga-doped silica core fiber (~5 wt. % Ga) has been demonstrated using ArF (193 nm) and KrF (248 nm) excimer lasers. In a comparative study with germanosilicate fiber with similar Ge concentration, a Ga-doped silica core fiber shows greater photosensitivity to an ArF excimer laser due to the higher absorbance in the region of 190-195 nm. In addition, the photosensitivity of a Ga-doped silica core fiber has been greatly enhanced with hydrogenation. Ga-doped fibers are potential photosensitive fibers for fiber Bragg grating production with an ArF excimer laser.

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