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

Mean free path and Mean free time01:22

Mean free path and Mean free time

5.1K
Consider the gas molecules in a cylinder. They move in a random motion as they collide with each other and change speed and direction. The average of all the path lengths between collisions is known as the "mean free path."
5.1K
Path Between Thermodynamics States01:21

Path Between Thermodynamics States

3.9K
Consider the two thermodynamic processes involving an ideal gas that are represented by paths AC and ABC in Figure 1:
3.9K
Interference: Path Lengths01:10

Interference: Path Lengths

1.9K
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...
1.9K
Behavior of Gas Molecules: Molecular Diffusion, Mean Free Path, and Effusion03:48

Behavior of Gas Molecules: Molecular Diffusion, Mean Free Path, and Effusion

31.2K
Although gaseous molecules travel at tremendous speeds (hundreds of meters per second), they collide with other gaseous molecules and travel in many different directions before reaching the desired target. At room temperature, a gaseous molecule will experience billions of collisions per second. The mean free path is the average distance a molecule travels between collisions. The mean free path increases with decreasing pressure; in general, the mean free path for a gaseous molecule will be...
31.2K
Variability: Analysis01:11

Variability: Analysis

471
Measures of variability are statistical metrics that reveal the dispersion pattern within a dataset. They are pivotal in biostatistics, providing insights into the heterogeneity within health and biological data. Variability signifies the degree to which data points diverge from one another, helping researchers understand the potential range of values and associated uncertainty within the data.
The range is a simple measure of variability, indicating the difference between the highest and...
471
Random Variables01:09

Random Variables

17.6K
A random variable is a single numerical value that indicates the outcome of a procedure. The concept of random variables is fundamental to the probability theory and was introduced by a Russian mathematician, Pafnuty Chebyshev, in the mid-nineteenth century.
Uppercase letters such as X or Y denote a random variable. Lowercase letters like x or y denote the value of a random variable. If X is a random variable, then X is written in words, and x is given as a number.
For example, let X = the...
17.6K

You might also read

Related Articles

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

Sort by
Same author

Liquid Refractive Index Measurement System Based on Electrowetting Lens.

Micromachines·2019
Same author

A multidirectional beam steering reflector actuated by hydraulic control.

Scientific reports·2019
Same author

Needle immersed vitrification can lower the concentration of cryoprotectant in human ovarian tissue cryopreservation.

Fertility and sterility·2010
Same author

Maternal control of early mouse development.

Development (Cambridge, England)·2010
Same author

Characterization of EndoTT, a novel single-stranded DNA-specific endonuclease from Thermoanaerobacter tengcongensis.

Nucleic acids research·2010
Same author

Association study between three polymorphisms and myocardial infarction and ischemic stroke in Chinese Han population.

Thrombosis research·2010
Same journal

Integrated multi-assessment and structural performance index framework for stacking-sequence optimisation of natural fibre reinforced laminates.

Scientific reports·2026
Same journal

SuperiorGAT: graph attention networks for sparse LiDAR point cloud reconstruction in autonomous systems.

Scientific reports·2026
Same journal

The effect of stretching the pectoralis major, sternocleidomastoid, and iliopsoas muscles on 800 m swimming performance in master swimmers.

Scientific reports·2026
Same journal

ISNR-PQC: isometry noise resilience post quantum cryptography primitive.

Scientific reports·2026
Same journal

Identification of high-yielding and stable genotypes of barley in the cold climate of Iran using AMMI and GGE biplot models.

Scientific reports·2026
Same journal

Bayesian negative binomial modelling of spatial and temporal patterns of road traffic deaths in Ghana.

Scientific reports·2026
See all related articles

Related Experiment Video

Updated: Jan 25, 2026

Single-Cell Characterization of Calcium Influx and HIV-1 Infection using a Multiparameter Optofluidic Platform
07:15

Single-Cell Characterization of Calcium Influx and HIV-1 Infection using a Multiparameter Optofluidic Platform

Published on: May 18, 2021

3.5K

Optofluidic variable optical path modulator.

Qiong-Hua Wang1, Liang Xiao2, Chao Liu1

  • 1School of Instrumentation and Optoelectronic Engineering, Beihang University, Beijing, 100191, China.

Scientific Reports
|May 10, 2019
PubMed
Summary
This summary is machine-generated.

Researchers developed a novel optofluidic variable optical path modulator. This device uses voltage-controlled liquid interfaces to precisely adjust optical path length for advanced applications.

More Related Videos

Foraging Path-length Protocol for Drosophila melanogaster Larvae
07:26

Foraging Path-length Protocol for Drosophila melanogaster Larvae

Published on: April 23, 2016

9.9K
Formulation and Acoustic Modulation of Optically Vaporized Perfluorocarbon Nanodroplets
07:44

Formulation and Acoustic Modulation of Optically Vaporized Perfluorocarbon Nanodroplets

Published on: July 16, 2021

2.5K

Related Experiment Videos

Last Updated: Jan 25, 2026

Single-Cell Characterization of Calcium Influx and HIV-1 Infection using a Multiparameter Optofluidic Platform
07:15

Single-Cell Characterization of Calcium Influx and HIV-1 Infection using a Multiparameter Optofluidic Platform

Published on: May 18, 2021

3.5K
Foraging Path-length Protocol for Drosophila melanogaster Larvae
07:26

Foraging Path-length Protocol for Drosophila melanogaster Larvae

Published on: April 23, 2016

9.9K
Formulation and Acoustic Modulation of Optically Vaporized Perfluorocarbon Nanodroplets
07:44

Formulation and Acoustic Modulation of Optically Vaporized Perfluorocarbon Nanodroplets

Published on: July 16, 2021

2.5K

Area of Science:

  • Optofluidics
  • Optical Engineering
  • Materials Science

Background:

  • Optofluidic devices like lenses and switches are crucial in imaging and optical communications.
  • Existing devices have limitations in dynamic optical path control.

Purpose of the Study:

  • To introduce a novel optofluidic variable optical path modulator.
  • To demonstrate voltage-controlled modulation of optical path length.

Main Methods:

  • Designed a device with two chambers and a closed-loop fluidic system containing two immiscible liquids.
  • Utilized a transparent sheet to create a flat liquid-liquid interface.
  • Applied voltage to move the interface and alter the optical path.

Main Results:

  • Fabricated a prototype optofluidic modulator.
  • Achieved a maximum movable distance of ~7.5 mm for the liquid-liquid interface.
  • Demonstrated a variable optical path length change of ~1.15 mm.

Conclusions:

  • The proposed optofluidic modulator offers a new method for variable optical path control.
  • Potential applications include advanced imaging, adaptive optics, and optical detection systems.