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 Experiment Videos

Trace gas detection with antimonide-based quantum-well diode lasers.

A Vicet1, D A Yarekha, A Pérona

  • 1Centre d'Electronique et de Microoptoélectronique de Montpellier, UMR CNRS-Université Montpellier 2, France. a.vicet@univ-montp2.fr

Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
|October 2, 2002
PubMed
Summary

Widely tunable quantum well lasers emitting between 2.0 and 2.5 micrometers were developed for gas detection. These lasers enable open-path monitoring within an atmospheric transmission window.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Mortality and histopathology in sheepshead minnow (Cyprinodon variegatus) larvae exposed to pectenotoxin-2 and Dinophysis acuminata.

Aquatic toxicology (Amsterdam, Netherlands)·2023
Same author

Quantum cascade lasers monolithically integrated on germanium.

Optics express·2022
Same author

Children with poor access to healthcare in emergencies: standpoint and practices of pediatricians in France.

Archives de pediatrie : organe officiel de la Societe francaise de pediatrie·2022
Same author

Immunotherapy toxicities: An SGO clinical practice statement.

Gynecologic oncology·2022
Same author

Developing a More Tailored Approach to Patient and Public Involvement with Children and Families in Pediatric Clinical Research: Lessons Learned.

Therapeutic innovation & regulatory science·2022
Same author

Successful intergeneric transfer of a major apple scab resistance gene (Rvi6) from apple to pear and precise comparison of the downstream molecular mechanisms of this resistance in both species.

BMC genomics·2021

Area of Science:

  • Materials Science
  • Optoelectronics
  • Spectroscopy

Background:

  • Gas detection is crucial for environmental monitoring and industrial safety.
  • Mid-infrared (2.0-2.5 micrometer) wavelengths offer a unique atmospheric transmission window for remote sensing.
  • Quantum well lasers provide tunable emission for targeted gas species identification.

Purpose of the Study:

  • To grow widely tunable Gallium Indium Arsenide Antimonide/Aluminum Gallium Arsenide Antimonide (GaInAsSb/AlGaAsSb) quantum well (QW) lasers.
  • To investigate their suitability for gas detection in the 2.0-2.5 micrometer atmospheric transmission window.
  • To develop an experimental setup for open-path gas detection utilizing these QW lasers.

Main Methods:

  • Molecular beam epitaxy (MBE) growth of GaInAsSb/AlGaAsSb QW structures on Gallium Antimonide (GaSb) substrates.

Related Experiment Videos

  • Characterization of laser emission wavelength tunability.
  • Development and testing of an open-path gas detection system.

    • Main Results:

    • Successfully grown widely tunable GaInAsSb/AlGaAsSb QW lasers.
    • Demonstrated emission wavelengths spanning from 2.0 to 2.5 micrometers.
    • Developed a functional experimental setup for open-path gas detection.

    Conclusions:

    • The developed QW lasers are suitable for detecting various gas species within the specified atmospheric transmission window.
    • The experimental setup enables effective open-path gas monitoring.
    • This technology holds promise for enhanced environmental and industrial gas sensing applications.