Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Measurement of Fluid Pressure

Measurement of Fluid Pressure

Fluid pressure is commonly measured using devices called manometers, which rely on liquid columns to indicate pressure differences. The height of a liquid column in a manometer reflects the pressure exerted by the fluid, providing a simple yet effective means of measurement. Different types of manometers serve specific purposes based on their configurations and the type of fluids involved.
A basic form of manometer is the piezometer, a vertical tube open at the top and filled with the same...

You might also read

Related Articles

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

Sort by

Same author

Infrared radiance and solar glint at the ocean-sky horizon.

Applied optics·2010

Same author

All- fiber polarimetric sensor.

Applied optics·2010

Same author

Electric field detection with a piezoelectric polymer-jacketed single-mode optical fiber.

Applied optics·2010

Same author

Infrared solar glint clutter on the ocean surface.

Optics letters·2009

Same author

Midwave and long-wave infrared radiance and clutter at the ocean-sky horizon.

Optics letters·2009

Same author

1 x 2 fiber-optic heterodyne array for laser Doppler velocimetry and angular orientation measurements.

Optics letters·2009

Same journal

Gaussian-modulated continuous-variable quantum key distribution over 60 km fiber using an integrated silicon photonic receiver.

Optics letters·2026

Same journal

E2E-OCT: end-to-end joint learning model using optical coherence tomography images for vocal cord leukoplakia diagnosis.

Optics letters·2026

Same journal

Holographic generation of panoramic 3D scenes by concave ellipsoidal mirror reflection.

Optics letters·2026

Same journal

Dual-pilot phase recovery with pair-wise maximum-ratio combining for coherent PONs.

Optics letters·2026

Same journal

Mapping the whispering gallery modes of a CaF<sub>2</sub> disk resonator with half-tapered fibers to estimate the fundamental mode volume.

Optics letters·2026

Same journal

Quantitative estimation of deep-subwavelength scale via dark-field scattering axial energy concentration decay profiles.

Optics letters·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Jun 19, 2026

Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping

Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping

Published on: November 7, 2016

Fiber-optic atmospheric turbulence sensor.

M D Mermelstein

|October 29, 2009

Summary

This summary is machine-generated.

A new fiber-optic sensor directly measures atmospheric optical turbulence (C(n)(2)). It achieves high sensitivity, detecting turbulence levels significantly lower than typical values, making it ideal for diverse environments.

More Related Videos

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

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

Published on: January 7, 2019

Fabrication of a Low-Cost, Fiber-Coupled, and Air-Spaced Fabry-Pérot Etalon

Fabrication of a Low-Cost, Fiber-Coupled, and Air-Spaced Fabry-Pérot Etalon

Published on: February 3, 2023

Related Experiment Videos

Last Updated: Jun 19, 2026

Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping

Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping

Published on: November 7, 2016

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

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

Published on: January 7, 2019

Fabrication of a Low-Cost, Fiber-Coupled, and Air-Spaced Fabry-Pérot Etalon

Fabrication of a Low-Cost, Fiber-Coupled, and Air-Spaced Fabry-Pérot Etalon

Published on: February 3, 2023

Area of Science:

Optics and Photonics
Atmospheric Science
Optical Engineering

Background:

Accurate measurement of atmospheric optical turbulence is crucial for various applications, including astronomy and telecommunications.
Existing methods for measuring the atmospheric optical turbulence structure constant C(n)(2) can be complex or lack sensitivity for weak turbulence regimes.

Purpose of the Study:

To propose and characterize a novel dual-air-gap fiber-optic Mach-Zehnder interferometer.
To demonstrate the sensor's capability for direct measurement of the atmospheric optical turbulence structure constant C(n)(2).
To assess the sensor's sensitivity and suitability for measuring weak atmospheric turbulence over different surfaces.

Main Methods:

Development of a dual-air-gap fiber-optic Mach-Zehnder interferometer.
Experimental setup for direct measurement of C(n)(2).
Estimation of the shot-noise-limited minimum detectable structure constant.

Main Results:

The proposed interferometer enables direct measurement of C(n)(2).
The shot-noise-limited minimum detectable C(n)(2) is estimated at 4.5 x 10(-20) m(-2/3).
This sensitivity is over two orders of magnitude lower than typical weak turbulence values (10(-17) m(-2/3)).

Conclusions:

The novel dual-air-gap fiber-optic interferometer offers a highly sensitive method for measuring atmospheric optical turbulence.
The sensor's performance is suitable for detecting weak turbulence conditions.
The technology is applicable for atmospheric turbulence monitoring over both land and ocean surfaces.