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

Two-color reduced-Doppler ion imaging.

Cunshun Huang1, Wen Li, Myung Hwa Kim

  • 1Department of Chemistry, Wayne State University, Detroit, MI 48202, USA.

The Journal of Chemical Physics
|October 4, 2006
PubMed
Summary
This summary is machine-generated.

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

Oxidative atmosphere-driven formation of single-phase spinel CuRh<sub>2</sub>O<sub>4</sub> nanofibers for alkaline water oxidation.

Beilstein journal of nanotechnology·2026
Same author

Trends in Contact Sensitization Among Korean Patients: A Multicenter 6-Year Retrospective Patch Test Study.

Contact dermatitis·2026
Same author

Heterogeneous metal substitution-driven selectivity enhancement in single-phase spinel oxides for interference-free electrochemical hydrogen sulfide detection.

Nano convergence·2026
Same author

Ascorbic acid-driven formation of defect-rich Cu<sub>2</sub>O Nanocubes toward durable and versatile Raman detection.

Journal of colloid and interface science·2026
Same author

Molecular fluorophore dimerization: a new paradigm for precision phototheranostics.

Chemical Society reviews·2026
Same author

The Efficacy and Safety of 785-nm Picosecond Titanium:Sapphire Laser on Melasma in Asians.

Annals of dermatology·2025
Same journal

A data-driven modeling study on the accurate identification of Doppler-free saturated absorption spectra in diatomic tellurium (130Te2).

The Journal of chemical physics·2026
Same journal

Anharmonic phonons via quantum thermal bath simulations.

The Journal of chemical physics·2026
Same journal

Quantum simulation of alignment dependent differential cross sections in co-propagating molecular beams at cold collision energies.

The Journal of chemical physics·2026
Same journal

Non-additive ion effects on the coil-globule equilibrium of a generic polymer in aqueous salt solutions.

The Journal of chemical physics·2026
Same journal

Insights into the unexpected small reduction of the temperature of maximum density of water by lithium chloride addition.

The Journal of chemical physics·2026
Same journal

Optical frequency comb double-resonance spectroscopy of the 9030-9175 cm-1 states of ethylene.

The Journal of chemical physics·2026
See all related articles

We developed a new two-color probe for sensitive ion imaging, improving detection of D atoms without Doppler scanning. This method enhances signal-to-noise for various applications.

Area of Science:

  • Atomic and Molecular Physics
  • Spectroscopy
  • Chemical Physics

Background:

  • Conventional 2+1 resonance-enhanced multiphoton ionization (REMPI) is a standard technique for ion detection.
  • Doppler scanning is often required to overcome Doppler broadening in REMPI, complicating measurements.
  • Developing sensitive ion imaging techniques with reduced complexity is crucial for advancing chemical analysis.

Purpose of the Study:

  • To demonstrate a novel two-color reduced-Doppler probe for enhanced ion imaging.
  • To achieve sensitive detection of D atoms without the need for Doppler scanning.
  • To evaluate the advantages of this new method over traditional techniques.

Main Methods:

  • Utilizing counterpropagating laser beams of two different colors.

Related Experiment Videos

  • Employing a broadband 266 nm laser beam in conjunction with another color.
  • Applying the technique to the 224 nm photodissociation of deuterium bromide (DBr) for D atom detection.

    • Main Results:

    • Successful and sensitive detection of D atoms was achieved.
    • The two-color reduced-Doppler probe demonstrated improved sensitivity and signal-to-noise ratio compared to conventional methods.
    • The absence of Doppler scanning simplified the experimental setup and data acquisition.

    Conclusions:

    • The developed two-color reduced-Doppler probe offers significant advantages for ion imaging.
    • This technique provides a more convenient and sensitive approach for D atom detection.
    • The method holds promise for application in other atomic and molecular systems, enhancing spectroscopic analysis.