Fabrication of Low-Loss Femtosecond Fiber Bragg Gratings Based on Beam Shaping by Small Aperture

Penghao Zhang; Hongbo Wu; Shuang Chen; Wensong Jiang; Li Zhang

doi:10.3788/CJL230747

[1] Zhao Y, He T Y, Chen M Q et al. Ultra-short fiber Bragg grating composed of cascaded microchannels in a microprobe for refractive index measurement[J]. Journal of Lightwave Technology, 41, 2555-2561(2023).

[2] Ji L T, Sun Q Q, Zhao S S et al. High-resolution fiber grating pressure sensor with in situ calibration for deep sea exploration[J]. Optics Express, 31, 10358-10367(2023).

[3] Zhang R L, Wu X, Hong L et al. High-sensitivity fiber Bragg grating strain sensor of the substrate type[J]. Applied Optics, 61, 10567-10573(2022).

[4] Liao C R, He J, Wang Y P. Study on high temperature sensors based on fiber Bragg gratings fabricated by femtosecond laser[J]. Acta Optica Sinica, 38, 0328009(2018).

[5] Warren-Smith S C, Schartner E P, Nguyen L V et al. Stability of grating-based optical fiber sensors at high temperature[J]. IEEE Sensors Journal, 19, 2978-2983(2019).

[6] Dong X R, Wang Z A, Zeng L et al. Study of the reflection spectral characteristics of FBGs fabricated by femtosecond laser phase mask technique[J]. Chinese Journal of Lasers, 50, 1906001(2023).

[7] Ioannou A, Kalli K. Femtosecond laser inscribed fiber Bragg gratings based on precise spatial apodization[J]. Optics Letters, 48, 1826-1829(2023).

[8] Guo Q, Zheng Z M, Wang B et al. Femtosecond laser fabricated apodized fiber Bragg gratings based on energy regulation[J]. Photonics, 8, 110-118(2021).

[9] Pan X P, Guo Q, Wu Y D et al. Femtosecond laser inscribed chirped fiber Bragg gratings[J]. Optics Letters, 46, 2059-2062(2021).

[10] Li H, Wang M, Wu B Y et al. Fabrication of chirped and tilted fiber Bragg gratings with femtosecond laser[J]. Acta Optica Sinica, 43, 0536001(2023).

[11] Xiong X W, Chen S P, Zhu H T et al. High reflectivity mid-infrared fiber Bragg grating by femtosecond laser direct inscription method[J]. Chinese Journal of Lasers, 49, 0101014(2022).

[12] Marshall G D, Williams R J, Jovanovic N et al. Point-by-point written fiber-Bragg gratings and their application in complex grating designs[J]. Optics Express, 18, 19844-19859(2010).

[13] Åslund M L, Nemanja N, Groothoff N et al. Optical loss mechanisms in femtosecond laser-written point-by-point fibre Bragg gratings[J]. Optics Express, 16, 14248-13254(2008).

[14] Zhou K M, Dubov M, Mou C B et al. Line-by-line fiber Bragg grating made by femtosecond laser[J]. IEEE Photonics Technology Letters, 22, 1190-1192(2010).

[15] Lu P, Mihailov S J, Ding H M et al. Plane-by-plane inscription of grating structures in optical fibers[J]. Journal of Lightwave Technology, 36, 926-931(2017).

[16] Theodosiou A, Lacraz A, Stassis A et al. Plane-by-plane femtosecond laser inscription method for single-peak Bragg gratings in multimode CYTOP polymer optical fiber[J]. Journal of Lightwave Technology, 35, 5404-5410(2017).

[17] Xu X Z, He J, He J et al. Slit beam shaping for femtosecond laser point-by- point inscription of high-quality fiber Bragg gratings[J]. Journal of Lightwave Technology, 39, 5142-5148(2021).

[18] Williams R J, Krämer R G, Nolte S et al. Femtosecond direct-writing of low-loss fiber Bragg gratings using a continuous core-scanning technique[J]. Optics Letters, 38, 1918-1920(2013).

[19] Liu X Y, Wang Y P, Li Z L et al. Low short-wavelength loss fiber Bragg gratings inscribed in a small-core fiber by femtosecond laser point-by-point technology[J]. Optics Letters, 44, 5121-5124(2019).

[20] Yariv A, Yeh P, Chen H M, Shi W H, Wang J L et al[M]. Optical electronics in modern communications, 15-28(2014).

[21] Jovanovic N, Thomas J, Williams R J et al. Polarization-dependent effects in point-by-point fiber Bragg gratings enable simple, linearly polarized fiber lasers[J]. Optics Express, 17, 6082-6095(2009).

[22] Williams R J, Jovanovic N, Marshall G D et al. Optimizing the net reflectivity of point-by-point fiber Bragg gratings: the role of scattering loss[J]. Optics Express, 20, 13451-13456(2012).

[23] Erdogan T. Fiber grating spectra[J]. Journal of Lightwave Technology, 15, 1277-1294(1997).

[24] Thomas J, Jovanovic N, Becker R G et al. Cladding mode coupling in highly localized fiber Bragg gratings: modal properties and transmission spectra[J]. Optics Express, 19, 325-341(2010).

[25] Martinez A, Khrushchev I Y, Bennion I. Direct inscription of Bragg gratings in coated fibers by an infrared femtosecond laser[J]. Optics Letters, 31, 1603-1605(2006).