The proposed multi-spot beam shaping method presents a combination of fiber end imaging and geometrical separation of focused spots perpendicular to the optical axis, thus creating...
Direct Manufacturer MULTIMODE fibers (MMFs) enable high-resolution in vivo imaging due to their inherent flexibility, simplic-ity, and minimal sample damage –. The ultimate goal of MMF-based imaging is to
Direct Manufacturer In this work, we present a new approach which relies on modulating the transmission matrix of the fiber rather than the incident light. We apply computer-controlled mechanical perturbations to the fiber to
Direct Manufacturer The numerical results validate our approach of utilizing highly multimode excitation to mitigate nonlinear effects in high-power fiber amplifiers and performing input wavefront shaping to
Direct Manufacturer Highlights • Full complex models of multimode fibers using machine learning approaches. • 3D beam shaping using full complex models of highly multimode fiber. • Neural network models of
Direct Manufacturer However, practical implementations of multimode fibers in such applications are held back due to the challenges in dealing with modal dispersion,
Direct Manufacturer In this article, we develop a high-resolution single-pixel multimode fiber spectrometer and demonstrate its ability to reconstruct arbitrary spectra. The single-pixel detection is achieved by
Direct Manufacturer The performance of various laser technologies, such as welding, laser powder bed fusion (LPBF), brazing, cladding, and sheet metal cutting, based on
Direct Manufacturer Multi-mode optical fiber is a type of optical fiber mostly used for communication over short distances, such as within a building or on a campus. Multi-mode links can
Direct Manufacturer We propose an efficient, fully fiber-based method for generating multi-spot beam patterns using single-mode fiber (SMF) and square-core fiber (SCF) structures. This technique leverages
Direct Manufacturer By applying a spatial wavefront shaping technique to the input light of a nonlinear amplifier, the output beam was focused to a diffraction-limited spot. Our
Direct Manufacturer Here, we report a mechanical-sensing platform that combines wavefront shaping with focal-spot feature analysis to convert subtle intermodal coupling changes into quantitative force
Direct Manufacturer Significant performance improvement of modern laser technologies such as welding, additive manufacturing, brazing, cladding, sheet metal cutting, based on the use of multi-kW
Direct Manufacturer Our method works for narrowband multimode fiber amplifiers with strong gain saturation, pump depletion, random mode coupling and polarization mixing.
Direct Manufacturer Powerful multimode fiber lasers as well as fiber-coupled solid-state and diode lasers are widely used in industrial laser applications like welding, metal sheet cutting, cladding, heating, cutting of carbon fiber
Direct Manufacturer We show numerically that the beam propagation factor M 2 of a single-frequency multimode fiber amplifier can be reduced to nearly unity by shaping the input or output beam profile
Direct Manufacturer In this paper, we present a rapid beam-focusing method for multimode fiber (MMF) that integrates a Convolutional Neural Network (CNN) with a Spatial
Direct Manufacturer The paper presents the proposed multi-spot optics, shows intensity profile measurements and application results.
Direct Manufacturer We present a new approach for shaping light at the output of a multimode fiber by modulating the transmission matrix of the system rather than
Direct Manufacturer Keywords: Multimode fiber Optical tweezers Wavefront shaping Optical fiber tweezers have proven highly effective in precisely manipulating and trapping microscopic particles. Most existing
Direct Manufacturer Here we propose to use a hollow-core fiber to solve these problems. We experimentally demonstrate spatial wavefront shaping at the multimode hollow-core fiber output with tunable high
Direct Manufacturer We present experimental results and simulations showing the shaping of a single sharp spot at different places in the output cross-section of an ytterbium-doped fiber amplifier. Cleaning and
Direct Manufacturer To control the output beam profile, we apply spatial wavefront shaping technique to the input light of a nonlinear amplifier to focus the output beam to a diffraction-limited spot outside the
Direct Manufacturer Abstract and Figures Wavefront shaping (WFS) techniques have been used as a powerful tool to control light propagation in complex media, including
Direct Manufacturer Optical fiber designs for beam shaping Kevin Farleya, Michael Conroya, Chih-Hao Wanga, Jaroslaw Abramczyka, Stuart Campbellb, George Oulundsena, Kanishka Tankalaa
Direct Manufacturer FiberTech Optica manufactures custom fiber optic bundles for distributing and shaping light in spectroscopy, laser, and instrumentation
Direct Manufacturer A binary phase-only modulation technique was proposed to focus and scan light through a multimode fiber (MMF) based on spatial light modulator (SLM). For the same number of modulation
Direct Manufacturer Another issue is the potential for imperfections or roughness at the fiber tip, which can cause light confined within the fiber core to scatter more readily in SMFs compared to multimode
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