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

Sign Test for Matched Pairs01:17

Sign Test for Matched Pairs

394
The sign test for matched pairs offers a robust method for comparing two paired samples, often for the effects of an intervention in one of them. This method is very useful in situations where the underlying distribution of the data is unknown. The test compares two related samples—often pre- and post-treatment measurements on the same subjects—to determine if there are significant differences in their median values.
To conduct the sign test, we first calculate the differences in...
394
Phase Diagrams02:39

Phase Diagrams

49.9K
A phase diagram combines plots of pressure versus temperature for the liquid-gas, solid-liquid, and solid-gas phase-transition equilibria of a substance. These diagrams indicate the physical states that exist under specific conditions of pressure and temperature and also provide the pressure dependence of the phase-transition temperatures (melting points, sublimation points, boiling points). Regions or areas labeled solid, liquid, and gas represent single phases, while lines or curves represent...
49.9K
Phase Transitions02:31

Phase Transitions

22.9K
Whether solid, liquid, or gas, a substance's state depends on the order and arrangement of its particles (atoms, molecules, or ions). Particles in the solid pack closely together, generally in a pattern. The particles vibrate about their fixed positions but do not move or squeeze past their neighbors. In liquids, although the particles are closely spaced, they are randomly arranged. The position of the particles are not fixed—that is, they are free to move past their neighbors to...
22.9K
Wilcoxon Signed-Ranks Test for Matched Pairs01:09

Wilcoxon Signed-Ranks Test for Matched Pairs

489
The Wilcoxon signed-rank test for matched pairs evaluates the null hypothesis by combining the ranks of differences with their signs. It essentially tests whether the median of the differences in a population of matched pairs is zero. Since the test incorporates more information than the sign test, it generally yields more trustable conclusions. This test also does not require the data to follow a normal distribution, but two conditions must be met for it to be applicable: (1) the data must...
489
General Properties of Solutions02:12

General Properties of Solutions

35.6K
Many common substances around us exist as a solution, such as ocean water, air, and gasoline. All solutions are mixtures of substances that are composed of varying amounts of two or more types of atoms or molecules. A mixture with a non-uniform composition is a heterogeneous mixture, whereas a mixture with a uniform composition is a homogeneous mixture. The components that make the homogeneous mixture are evenly spread out and thoroughly mixed. 
35.6K
Inductance: Single-Phase And Three-Phase Line01:28

Inductance: Single-Phase And Three-Phase Line

615
Understanding the inductance of transmission lines is crucial for efficient design and operation in electrical power systems. This discussion delves into the inductance characteristics of single-phase two-wire and three-phase three-wire transmission lines with equal phase spacing.
Single-Phase Two-Wire Line:
A single-phase line consists of two solid cylindrical conductors, denoted as x and y. Each conductor carries phasor currents ix and iy, respectively. Given that the sum of these currents is...
615

You might also read

Related Articles

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

Sort by
Same author

Kerr-lens mode-locking of an Yb:SrF<sub>2</sub> laser generating 37 fs pulses.

Optics express·2026
Same author

SESAM mode-locking of a diode-pumped Yb:Ca<sub>3</sub>TaGa<sub>3</sub>Si<sub>2</sub>O<sub>14</sub> laser.

Optics express·2026
Same author

Efficient high-power Yb:LuAG Innoslab ultrafast amplifier compressible to 360 fs.

Optics letters·2025
Same author

Power scaling of a non-resonant optical parametric oscillator based on periodically poled LiNbO<sub>3</sub> with spectral narrowing.

Optics express·2025
Same author

Watt-level, 1.6 ps χ<sup>(2)</sup>-lens mode-locking of an in-band pumped Nd:LuVO<sub>4</sub> laser.

Optics express·2025
Same author

Sub-40-fs diode-pumped ytterbium-doped mixed rare-earth calcium oxoborate laser.

Optics express·2025

Related Experiment Video

Updated: Jan 27, 2026

Chromatographic Fingerprinting by Template Matching for Data Collected by Comprehensive Two-Dimensional Gas Chromatography
10:14

Chromatographic Fingerprinting by Template Matching for Data Collected by Comprehensive Two-Dimensional Gas Chromatography

Published on: September 2, 2020

5.4K

Phase-matching properties for AgGaGeS4.

Kentaro Miyata1, Valentin Petrov, Kiyoshi Kato

  • 1Chitose Institute of Science and Technology, Hokkaido, Japan. d2070030@photon.chitose.ac.jp

Applied Optics
|August 19, 2007
PubMed
Summary

Phase-matching conditions for AgGaGeS(4) were measured for nonlinear optical processes. Improved Sellmeier equations accurately describe these conditions for optical applications.

Area of Science:

  • Nonlinear optics
  • Materials science
  • Crystallography

Background:

  • AgGaGeS(4) is a nonlinear optical crystal with potential applications.
  • Accurate phase-matching data is crucial for optimizing nonlinear optical devices.

Purpose of the Study:

  • To experimentally determine the phase-matching conditions of AgGaGeS(4) for specific nonlinear optical processes.
  • To develop and present improved Sellmeier equations for AgGaGeS(4).

Main Methods:

  • Experimental measurement of phase-matching curves for second-harmonic generation (SHG) and difference-frequency generation (DFG).
  • Development of Sellmeier equations based on the experimental data.

Main Results:

  • Phase-matching conditions were successfully measured for SHG at 0.8 and 5.3 micrometers.

More Related Videos

Fabrication of Refractive-index-matched Devices for Biomedical Microfluidics
09:54

Fabrication of Refractive-index-matched Devices for Biomedical Microfluidics

Published on: September 10, 2018

8.0K
Combining Microfluidics and Microrheology to Determine Rheological Properties of Soft Matter during Repeated Phase Transitions
11:38

Combining Microfluidics and Microrheology to Determine Rheological Properties of Soft Matter during Repeated Phase Transitions

Published on: April 19, 2018

8.4K

Related Experiment Videos

Last Updated: Jan 27, 2026

Chromatographic Fingerprinting by Template Matching for Data Collected by Comprehensive Two-Dimensional Gas Chromatography
10:14

Chromatographic Fingerprinting by Template Matching for Data Collected by Comprehensive Two-Dimensional Gas Chromatography

Published on: September 2, 2020

5.4K
Fabrication of Refractive-index-matched Devices for Biomedical Microfluidics
09:54

Fabrication of Refractive-index-matched Devices for Biomedical Microfluidics

Published on: September 10, 2018

8.0K
Combining Microfluidics and Microrheology to Determine Rheological Properties of Soft Matter during Repeated Phase Transitions
11:38

Combining Microfluidics and Microrheology to Determine Rheological Properties of Soft Matter during Repeated Phase Transitions

Published on: April 19, 2018

8.4K
  • Phase-matching was also measured for DFG across several wavelength ranges (2.2, 3.6-5.1, and 4.8-11.8 micrometers).
  • Improved Sellmeier equations were derived that accurately reproduce the experimental phase-matching data.

    • Conclusions:

    • The study provides essential optical characterization data for AgGaGeS(4).
    • The presented Sellmeier equations enable precise prediction of phase-matching for various nonlinear optical applications using this material.