Dynamic bending compensation while focusing through a multimode fiber

S Farahi, D Ziegler, IN Papadopoulos, D Psaltis… - Optics express, 2013 - opg.optica.org
multimode fiber using the beacon. In the second part, we demonstrate focusing even when
the fiber is bent by dynamically compensating for it. The speckle pattern at the proximal fiber

A low bending loss multimode fiber transmission system

D Donlagic - Optics express, 2009 - opg.optica.org
… high bend tolerant multimode optical fiber transmission system that is compatible with standard
50 μm graded index multimode fiber… of the proposed bend resistive multimode fiber were …

Bend translation in multimode fiber imaging

D Loterie, D Psaltis, C Moser - Optics express, 2017 - opg.optica.org
… a new light on bending sensitivity in multimode fibers, and open up … bending compensation
techniques, this could improve the flexibility of imaging systems based on multimode fibers

Real-time resilient focusing through a bending multimode fiber

AM Caravaca-Aguirre, E Niv, DB Conkey, R Piestun - Optics express, 2013 - opg.optica.org
… conjugation [17] has been used to compensate for turbidity. Taking advantage of this control,
… lately to overcome mode dispersion and coupling in multimode optical fibers [5–10]. The …

Stabilization of the speckle pattern of a multimode fiber undergoing bending

DZ Anderson, MA Bolshtyansky, BY Zel'dovich - Optics letters, 1996 - opg.optica.org
… The speckle pattern changes as the fiber undergoes twists and bends. We show … bends in
one region of the fiber can be compensated with bends applied along a fixed region of the fiber

Temperature-independent bending sensor with tilted fiber Bragg grating interacting with multimode fiber

YX Jin, CC Chan, XY Dong, YF Zhang - Optics Communications, 2009 - Elsevier
… the sensor is bent, while the power of the reflected Bragg mode keeps unchanged. Therefore,
the power of the reflected Bragg mode can be used as a reference to compensate any …

Multimode interference in single mode–multimode FBG for simultaneous measurement of strain and bending

A Sun, Z Wu - IEEE Sensors Journal, 2014 - ieeexplore.ieee.org
… the bending of transmitting multimode fiber because of the effect of multimode interference,
… fluctuation of light source can be compensated. The ratio curve of P1/P3 and P2/P3 versus …

[HTML][HTML] Fiber vector bend sensor based on multimode interference and image tapping

Z Zhang, A Rahman, J Fiebrandt, Y Wang, K Sun, J Luo… - Sensors, 2019 - mdpi.com
fiber vector bend sensor is demonstrated using a standard single mode fiber spliced to a
multimode fiber as a multimode … cores C2–C7, compensating any stress or curvature introduced …

Directional bending sensor and multiparameter sensor based on D-core multimode fiber

Y Wei, T Jiang, C Liu, X Wang, C Liu, C Shi… - IEEE Sensors …, 2023 - ieeexplore.ieee.org
… sensor can the high-precision vector bending sensor be realized. Based on this, … bending
direction and designed a D-core multimode fiber with small core diameter. One side of the fiber

Multimode fiber amplifier with tunable modal gain using a reconfigurable multimode pump

N Bai, E Ip, T Wang, G Li - Optics express, 2011 - opg.optica.org
… modes when the fiber is bent, resulting in higher macro-bending loss than the … bending
radius has to be large enough to render bending loss negligible. The theoretical macro-bending