Related Experiment Video

Updated: Nov 21, 2025

Design and Use of a Full Flow Sampling System FFS for the Quantification of Methane Emissions
08:18

Design and Use of a Full Flow Sampling System FFS for the Quantification of Methane Emissions

Published on: June 12, 2016

17.1K

Macro-bending measurement based on a correlated FLRD system with an ASE source.

Ruiling Qi, Li Xia, Ying Wu

    Optics Letters
    |January 15, 2021
    PubMed
    Summary

    This study introduces a novel passive correlated fiber loop ringdown system for detecting macro-bending in optical fibers. The system uses amplified spontaneous emission for rapid and sensitive fault diagnosis.

    More Related Videos

    A Millimeter Scale Flexural Testing System for Measuring the Mechanical Properties of Marine Sponge Spicules11:25

    A Millimeter Scale Flexural Testing System for Measuring the Mechanical Properties of Marine Sponge Spicules

    Published on: October 11, 2017

    9.6K
    Micro/Nano-scale Strain Distribution Measurement from Sampling Moiré Fringes06:56

    Micro/Nano-scale Strain Distribution Measurement from Sampling Moiré Fringes

    Published on: May 23, 2017

    12.5K

    Related Concept Videos

    Unsymmetric Bending - Angle of Neutral Axis01:15

    Unsymmetric Bending - Angle of Neutral Axis

    Unsymmetrical bending occurs when a structural member is subjected to bending moments in a plane that does not align with the member's principal axes. This scenario typically arises in beams and other structural components when loads are applied at non-ideal angles, introducing complexities in stress analysis.
    When a bending moment is applied at an angle θ concerning the vertical axis of a symmetrical member, it can be resolved into components along the member's principal...
    676
    Unsymmetric Bending01:18

    Unsymmetric Bending

    Unsymmetrical bending occurs when the bending moment applied to a structural member does not align with its principal axis. This misalignment leads to complex stress distributions and deflection patterns that differ from those in symmetrical bending, and are essential for designing structures to withstand different loading conditions. In unsymmetrical bending, the neutral axis—where stress is zero—does not necessarily align with the geometric axes of the cross-section. The...
    650
    Measurements of Strain01:27

    Measurements of Strain

    Strain quantifies the deformation of a material under force, typically measured as normal strain, which represents the change in length when compared with the original length. Electrical strain gauges are used for enhanced accuracy. These devices consist of a conductive wire mounted on a paper backing that adheres to the material's surface. These gauges operate on the piezoresistive effect, where the wire's electrical resistance changes in response to mechanical deformation. The strain...
    2.4K
    Bending of Curved Members - Strain Analysis01:14

    Bending of Curved Members - Strain Analysis

    The mechanics of deformation in curved members, such as beams or arches, under bending moments, involve complex responses. When such a member, symmetric about the y-axis and shaped like a segment of a circle centered at point C, is subjected to equal and opposite forces, its curvature and surface lengths change significantly. This alteration results in the shift of the curvature's center from C to C', indicating a tighter curve.
    The important part of bending analysis for such a member...
    365
    Symmetric Member in Bending01:07

    Symmetric Member in Bending

    In the study of the mechanics of materials, analyzing the behavior of prismatic members under opposing couples is crucial for understanding internal stress distributions, which are essential for structural design. When subjected to couples, a prismatic member experiences internal forces that maintain equilibrium. A couple, characterized by two equal and opposite forces, creates a moment but no resultant force. The internal forces at any section cut of the member must balance these external...
    426
    Residual Stresses in Bending01:18

    Residual Stresses in Bending

    In the study of elastoplastic members subjected to bending moments, understanding the loading and unloading phases is crucial for assessing material behavior and structural integrity. During the loading phase, as the bending moment increases, the material initially responds elastically, adhering to Hooke's Law, where stress is directly proportional to strain. When the load exceeds the yield strength, plastic deformation occurs, resulting in permanent strain and deformation that remains even...
    409