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

Gas Chromatography: Types of Detectors-II01:19

Gas Chromatography: Types of Detectors-II

337
In gas chromatography, different detectors are employed to meet specific analytical needs. These detectors are often categorized based on their detection mechanisms and the types of compounds they are best suited to analyze. Thermal Conductivity Detectors (TCD), Flame Ionization Detectors (FID), and Electron Capture Detectors (ECD) represent common categories, each with unique operating principles and applications. However, beyond these, several other detectors are designed for more specialized...
337
Gas Chromatography: Types of Detectors-I01:21

Gas Chromatography: Types of Detectors-I

381
There are different types of detectors used in gas chromatography, each with its own specific properties that make it suitable for detecting certain types of analytes. The most commonly used detectors in GC are thermal conductivity detector (TCD), flame ionization detector (FID), and electron capture detector (ECD).
TCD is the earliest and most widely used detector that operates by measuring the changes in the thermal conductivity of the carrier gas. When a sample compound enters the detector,...
381
Gas Chromatography: Overview of Detectors01:13

Gas Chromatography: Overview of Detectors

441
Detectors in gas chromatography (GC) help identify and quantify the components of a mixture by translating chemical properties into measurable signals, which are displayed on a chromatogram. Detectors can be categorized into two main types: destructive and non-destructive.
A non-destructive detector allows a sample to be analyzed without altering or consuming it, meaning the sample can be collected after detection for further analysis. Examples include thermal conductivity detectors and...
441
Atomic Absorption Spectroscopy: Radiation and Light Sources01:13

Atomic Absorption Spectroscopy: Radiation and Light Sources

355
Atomic absorption spectroscopy (AAS) relies on the Beer-Lambert law, which requires that the radiation source emits a narrow range of wavelengths to match the absorption characteristics of the analyte atom. The primary criteria for choosing an appropriate radiation source in AAS is to provide a precise and intense emission at specific wavelengths that will allow accurate detection of the analyte.
Two common narrow-range 'line' sources used in AAS are hollow-cathode lamps (HCLs) and...
355
Atomic Fluorescence Spectroscopy01:29

Atomic Fluorescence Spectroscopy

247
Atomic fluorescence spectroscopy (AFS) is an analytical technique that involves the electronic transitions of atoms in a flame, furnace, or plasma being excited by electromagnetic (EM) radiation. When these atoms absorb energy, they become excited and subsequently release energy as they return to their original state. This emitted light, or "fluorescence," is observed at a right angle to the incident beam. Both absorption and emission processes transpire at distinct wavelengths, which...
247
High-Performance Liquid Chromatography: Types of Detectors01:15

High-Performance Liquid Chromatography: Types of Detectors

490
The role of the detectors in High-Performance Liquid Chromatography (HPLC) is to analyze the solutes as they exit from the chromatographic column. The detector recognizes the solute's property and generates corresponding electrical signals, which are converted into a readable graph of the detector's response versus elution time called a chromatogram at the computer. There are several types of HPLC detectors, each with its own advantages and limitations, depending on the analyte...
490

You might also read

Related Articles

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

Sort by
Same author

When Size Matters: Advanced Treatment of Acute Pulmonary Embolism Caused by a Large Snake-Like Thrombus.

Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions·2026
Same author

Advanced cholangiocarcinoma in 2025: Therapeutic sequencing and global implementation.

Med (New York, N.Y.)·2026
Same author

Clinical, Metabolic, and Virological Insights into Hepatitis C Virus-Infected Patients through the Combinatorial Metabolic Dysfunction-associated Steatotic Liver Disease Framework: Evidence from an Italian Cohort.

Journal of gastrointestinal and liver diseases : JGLD·2026
Same author

Safety of Invasive Procedures During Adult Extracorporeal Membrane Oxygenation: A Systematic Review.

Journal of clinical medicine·2026
Same author

Orthohantavirus Infection Mimicking Acute Viral Hepatitis: An Underrecognized Clinical Presentation.

Pathogens (Basel, Switzerland)·2026
Same author

Amivantamab in advanced non-small cell lung cancer with epidermal growth factor receptor exon 20 insertion mutations: Real-world data from the Italian ATLAS Registry.

Cancer·2026

Related Experiment Video

Updated: Jun 9, 2025

Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing
10:42

Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing

Published on: March 22, 2019

6.2K

Enhancing the light yield of He:CF based gaseous detector.

Fernando Domingues Amaro1, Rita Antonietti2,3, Elisabetta Baracchini4,5

  • 1LIBPhys, Department of Physics, University of Coimbra, 3004-516 Coimbra, Portugal.

The European Physical Journal. C, Particles and Fields
|October 31, 2024
PubMed
Summary

The CYGNO experiment enhances dark matter detection by optimizing gas electron multipliers (GEMs). Adding an electric field boosts light yield for rare event searches without compromising detector performance.

More Related Videos

Non-equilibrium Microwave Plasma for Efficient High Temperature Chemistry
07:17

Non-equilibrium Microwave Plasma for Efficient High Temperature Chemistry

Published on: August 1, 2017

12.6K
Low-energy Cathodoluminescence for OxyNitride Phosphors
07:03

Low-energy Cathodoluminescence for OxyNitride Phosphors

Published on: November 15, 2016

10.6K

Related Experiment Videos

Last Updated: Jun 9, 2025

Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing
10:42

Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing

Published on: March 22, 2019

6.2K
Non-equilibrium Microwave Plasma for Efficient High Temperature Chemistry
07:17

Non-equilibrium Microwave Plasma for Efficient High Temperature Chemistry

Published on: August 1, 2017

12.6K
Low-energy Cathodoluminescence for OxyNitride Phosphors
07:03

Low-energy Cathodoluminescence for OxyNitride Phosphors

Published on: November 15, 2016

10.6K

Area of Science:

  • Particle Physics
  • Astrophysics
  • Experimental Physics

Background:

  • The CYGNO experiment seeks to detect rare events like dark matter (DM) using a directional detector.
  • The detector utilizes a time projection chamber (TPC) with a He:CF60/40 gas mixture and a Gas Electron Multiplier (GEM) amplification stage.
  • Maximizing light yield from the amplification stage is crucial for lowering the experiment's energy threshold.

Purpose of the Study:

  • To investigate the impact of an additional electric field on the GEM amplification stage's performance.
  • To simulate and experimentally validate the effect of this electric field on light yield, energy resolution, and intrinsic diffusion.
  • To optimize the detector's sensitivity for rare event searches, particularly for weakly interactive massive particles (WIMPs).

Main Methods:

  • Simulations were performed to analyze the GEM field structure with an applied electric field below the last GEM plane.
  • Experimental tests were conducted using a 10x10 cm prototype readout area.
  • Measurements involved varying GEM stack configurations and helium concentrations in the gas mixture.

Main Results:

  • The addition of a strong electric field significantly increased the light yield of the amplification stage.
  • This enhancement was achieved without negatively impacting the intrinsic characteristics of the GEM amplification stage.
  • Performance was evaluated in terms of light yield, energy resolution, and intrinsic diffusion.

Conclusions:

  • The implemented electric field strategy effectively boosts light yield in the CYGNO detector's amplification stage.
  • This method offers a promising avenue for improving the sensitivity of dark matter detectors.
  • The findings support the development of advanced directional detectors for rare event searches.