Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Echo01:06

Echo

581
The human ear cannot distinguish between two sources of sound if they happen to reach within a specific time interval, typically 0.1 seconds apart. More than this, and they are perceived as separate sources.
Imagine the sound is reflected back to the ears. Assuming that the source is very close to the human, the difference between hearing the two sounds—the emitted sound and the reflected sound—may be more than the minimum time for perceiving distinct sounds. If this is the case,...
581

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

High mobility group box 1 (HMGB1) levels in the placenta and in serum in preeclampsia.

American journal of reproductive immunology (New York, N.Y. : 1989)·2011
Same author

Destabilization of coxsackievirus b3 genome integrated with enhanced green fluorescent protein gene.

Intervirology·2011
Same author

[Clinicopathological features of primary splenic histiocytic sarcoma: a case report and literature review].

Zhonghua xue ye xue za zhi = Zhonghua xueyexue zazhi·2011
Same author

[Comparison of treatment with micro endoscopic discectomy and posterior lumbar interbody fusion using single and double B-Twin expandable spinal spacer].

Zhonghua wai ke za zhi [Chinese journal of surgery]·2011
Same author

Virtual transplantation in designing a facial prosthesis for extensive maxillofacial defects that cross the facial midline using computer-assisted technology.

The International journal of prosthodontics·2011
Same author

Total synthesis of phorboxazole A via de novo oxazole formation: convergent total synthesis.

Journal of the American Chemical Society·2010

Related Experiment Video

Updated: Aug 25, 2025

Design and Fabrication of an Optical Fiber Made of Water
08:06

Design and Fabrication of an Optical Fiber Made of Water

Published on: November 8, 2018

8.2K

Indoor optical fiber eavesdropping approach and its avoidance.

Haiqing Hao, Zhongwang Pang, Guan Wang

    Optics Express
    |October 19, 2022
    PubMed
    Summary
    This summary is machine-generated.

    Household optical fibers can be exploited for eavesdropping. Researchers demonstrated that speech can be intercepted using a laser interferometer over 1.1 km, highlighting security risks and mitigation strategies.

    More Related Videos

    A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response
    09:03

    A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response

    Published on: January 7, 2019

    7.2K
    Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping
    09:48

    Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping

    Published on: November 7, 2016

    12.1K

    Related Experiment Videos

    Last Updated: Aug 25, 2025

    Design and Fabrication of an Optical Fiber Made of Water
    08:06

    Design and Fabrication of an Optical Fiber Made of Water

    Published on: November 8, 2018

    8.2K
    A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response
    09:03

    A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response

    Published on: January 7, 2019

    7.2K
    Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping
    09:48

    Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping

    Published on: November 7, 2016

    12.1K

    Area of Science:

    • Telecommunications Engineering
    • Applied Physics
    • Cybersecurity

    Background:

    • Optical fiber networks are global infrastructure for telecommunications.
    • The sensing capabilities of optical fibers are gaining attention.
    • Existing research has not fully explored the eavesdropping risks of household fiber optic networks.

    Purpose of the Study:

    • To investigate the potential for eavesdropping on household optical fiber networks.
    • To quantify the performance and limitations of fiber optic eavesdropping.
    • To propose practical countermeasures against such security threats.

    Main Methods:

    • A laboratory setup was used to simulate eavesdropping on a household fiber optic link.
    • A laser interferometer was employed to detect and recover voice signals.
    • The detection distance limit and system noise were quantitatively analyzed.

    Main Results:

    • Voice signals from normal human speech were successfully eavesdropped and recovered.
    • Eavesdropping was achieved using a 3-meter tail fiber connected to a household optical modem.
    • The recovery of voice signals was successful up to a distance of 1.1 km.

    Conclusions:

    • Household optical fiber networks present a viable target for eavesdropping.
    • The study quantifies the performance limits and noise factors in fiber optic eavesdropping.
    • Practical methods for preventing eavesdropping on household fiber networks have been developed.