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

Interference: Path Lengths

Interference: Path Lengths

Consider two sources of sound, that may or may not be in phase, emitting waves at a single frequency, and consider the frequencies to be the same.
Two special sources may be considered when they are in phase. This can be easily achieved by feeding the two sources from the same source. An example would be synchronizing the two speakers by feeding them with the same source, such as the sound waves produced by a tuning fork. This setup ensures that the two sources have the same frequency and are...

$Interference and Diffraction$ 02:18

Interference and Diffraction

Interference is a characteristic phenomenon exhibited by waves. When two electromagnetic waves interact with their peaks and troughs coinciding, a resulting wave with enhanced amplitude is produced. This is known as constructive interference. In this case, the two waves interacting are in phase with each other.

Relative Motion Analysis - Acceleration

Relative Motion Analysis - Acceleration

A slider-crank mechanism converts rotational motion from the crank into linear motion of the slider or vice versa. This mechanism consists of three main parts: the crank, the connecting rod, and the slider. The movement of the slider-crank is an example of general plane motion as the fluctuating angle between the crank and the connecting rod. Consider a segment AB where point A is at the end of the slider and point B is on the diametrically opposite end to point A, on a crack. The variance in...

Propagation Speed of Electromagnetic Waves

Propagation Speed of Electromagnetic Waves

Electromagnetic waves are consistent with Ampere's law. Assuming there is no conduction current Ampere's law is given as:

Velocity and Acceleration of a Wave

Velocity and Acceleration of a Wave

A wave propagates through a medium with a constant speed, known as a wave velocity. It is different from the speed of the particles of the medium, which is not constant. In addition, the velocity of the medium is perpendicular to the velocity of the wave. The variable speed of the particles of the medium implies that there must be acceleration associated with it.
The velocity of the particles can be obtained by taking the partial derivative of the position equation with respect to time....

Propagation of Waves

Propagation of Waves

When a wave propagates from one medium to another, part of it may get reflected in the first medium, and part of it may get transmitted to the second medium. In such a case, the interface of the two mediums can be considered as a boundary that is neither fixed nor free.
Consider a scenario where a wave propagates from a string of low linear mass density to a string of high linear mass density. In such a case, the reflected wave is out of phase with respect to the incident wave, however the...

You might also read

Related Articles

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

Sort by

Same author

Breast cancer metastasis to the colon mimicking primary colorectal carcinoma.

EJNMMI reports·2026

Same author

Effects of Two Buckwheat Varieties on the Behavioral Choice of <i>Frankliniella intonsa</i> in Sunflower Field.

Insects·2026

Same author

A nutrition-first, barrier-augmented, staged debridement management of grade IV oral mucositis in a leukemia patient with decompensated cirrhosis: A case report.

Medicine·2026

Same author

Scale-Matched Nanoscale Confinement Governs Chain Cooperativity and Fatigue Resistance in Soft Hydrogels.

Nano letters·2026

Same author

Relationship between absorbed dose and SUV derived from SPECT/CT imaging and dose-response in patients with neuroendocrine tumors treated with [¹⁷⁷Lu]Lu-DOTA-TATE.

EJNMMI research·2026

Same author

Optical properties, oxidative potential and chemical composition of brown carbon in the megacity Shenyang of Northeast China.

Environmental science. Processes & impacts·2026

Search research articles

Related Experiment Video

Updated: Mar 11, 2026

Implementation of a Reference Interferometer for Nanodetection

Implementation of a Reference Interferometer for Nanodetection

Published on: April 26, 2014

Nonlinearity of a double-path interferometer qualified with a non-constant moving speed.

Hongxing Yang, Christoph Weichert, Paul Köchert

|December 2, 2016

Summary

A novel double-path heterodyne interferometer minimizes periodic errors using balanced fiber-coupled optics and corner cube reflectors. This design achieves sub-nanometer precision, reducing environmental influences and angular motion effects for enhanced measurement accuracy.

More Related Videos

The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

Published on: August 12, 2013

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle

Published on: January 3, 2016

Related Experiment Videos

Last Updated: Mar 11, 2026

Implementation of a Reference Interferometer for Nanodetection

Implementation of a Reference Interferometer for Nanodetection

Published on: April 26, 2014

The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

Published on: August 12, 2013

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle

Published on: January 3, 2016

Area of Science:

Optical metrology
Interferometry
Precision engineering

Background:

Periodic errors in interferometers limit measurement accuracy.
Environmental variations and angular motion can degrade performance.
Existing designs often struggle with stability and precision.

Purpose of the Study:

To develop a new double-path heterodyne interferometer.
To minimize the influence of periodic errors and ambient conditions.
To enhance tolerance to angular motions for improved measurement stability.

Main Methods:

Utilized a double-path heterodyne interferometer with spatially separated input beams.
Implemented fully fiber-coupled optics with balanced beam paths.
Employed corner cube reflectors for enhanced angular motion tolerance.
Characterized nonlinearities using amplitude spectra for spline-interpolated data.

Main Results:

The interferometer effectively minimized the influence of periodic errors.
Balanced beam paths reduced sensitivity to ambient condition variations.
The use of corner cube reflectors allowed for greater angular motion tolerance.
Periodic error amplitude was maintained within 0.63 nm, attributed to multi-reflections.

Conclusions:

The developed interferometer offers improved accuracy and stability.
The design effectively mitigates common sources of measurement error.
This technology advances precision optical metrology applications.