[1] PARENT F, GERARD M, MONET F, et al. Intra-arterial image guidance with optical frequency domain reflectometry shape sensing[J]. IEEE Transactions on Medical Imaging, 38, 482-492(2019).

[2] PARENT F, LORANGER S, MANDAL K K, et al. Enhancement of accuracy in shape sensing of surgical needles using optical frequency domain reflectometry in optical fibers[J]. Biomedical Optics Express, 8, 2210-2221(2017).

[3] [3] MILLER G A, ASKINS C G, FRIEBELE E J. Shape sensing using distributed fiber optic strain measurements[C]Proceedings of SPIE 5502, Second European Wkshop on Optical Fiber Senss. Santer: SPIE, 2004: 528 531.

[4] [4] DUNCAN R G, RAUM M T. acterization of a fiberoptic shape position sens[C]Proceedings of SPIE 6167, Smart Structures Materials. San Diego: SPIE, 2006: 616704.

[5] MOORE J P, ROGGE M D. Shape sensing using multi-core fiber optic cable and parametric curve solutions[J]. Optics Express, 20, 2967-2973(2012).

[6] KHAN F, BARRERA D, SALES S, et al. Curvature, twist and pose measurements using fiber Bragg gratings in multi-core fiber: a comparative study between helical and straight core fibers[J]. Sensors and Actuators A:Physical, 317, 112442(2021).

[9] KHAN F, DENASI A, BARRERA D, et al. Multi-core optical fibers with Bragg gratings as shape sensor for flexible medical instruments[J]. IEEE Sensors Journal, 19, 5878-5884(2019).