We report efficient acousto-optic control of speckle contrast at the output of multimode fibers
(MMFs) using a cylindrical piezoelectric transducer (PZT) vibrating in the radial direction …

We propose and experimentally demonstrate an effective method to reduce far-field speckle
noise in multimode fiber with a short cylindrical piezoelectric transducer (PZT) vibrating in …

We propose and experimentally demonstrate an effective method to reduce near-field
speckle noise at the output of a 50 μm graded index multimode fiber using a short cylindrical …

We propose a flexible and lightweight laser speckle noise suppression module based on the
combination of a multimode fiber (MMF) and a macro fiber composite (MFC). The …

This paper proposes the characterization of speckle patterns of multimode fibers in view of
sensing applications and particularly for detection of vibration or seismic activity. Plastic …

The acousto-optic mode coupling from core to LP_11^ cl mode of a dispersion-
compensating fiber excited by two acoustic waves with orthogonal perturbations is studied …

Acousto-Optic Tunable Mode Coupler Page 1 Acousto-Optic Tunable Mode Coupler G.
Fernandes3, M. Niehus2,3, CAF Marques3, RN Nogueira3, and Armando N. Pinto1,3 …

We propose two techniques to suppress intrinsic sidelobe spectra in all-fiber acousto-optic
tunable filter using torsional acoustic wave. The techniques are based on either double-pass …

All-fiber wavelength-tunable acousto-optic switch Page 1 All-fiber wavelength-tunable
acousto-optic switch Hee Su Park, Kwang Yong Song, Seok Hyun Yun and Byoung Yoon Kim …

We improve the beam uniformity passing through multimode fibers using piezoelectric-
based spatial mode scrambling. Both fiber squeezing and stretching techniques are applied …