An OH Monitoring Method Using Infrared-Ultraviolet Double Resonance Laser-Induced Fluorescence

2000 ◽  
Vol 73 (12) ◽  
pp. 2695-2702 ◽  
Author(s):  
Kazuhide Tsuji ◽  
Kiyoshi Nakata ◽  
Hirotada Oishi ◽  
Kazuhiko Shibuya
Keyword(s):  
Double Resonance ◽  
Laser Induced Fluorescence ◽  
Monitoring Method ◽  
Resonance Laser

Double resonance laser spectroscopy in neon

1966 ◽  
Vol 2 (4) ◽  
pp. 123-123 ◽  
Author(s):  
T. Carroll ◽  
G. Wolga
Keyword(s):  
Laser Spectroscopy ◽  
Double Resonance ◽  
Resonance Laser

Pairing of Isolated Nucleobases: Double Resonance Laser Spectroscopy of Adenine-Thymine

ChemPhysChem ◽  
2003 ◽  
Vol 4 (8) ◽  
pp. 838-842 ◽  
Author(s):  
Christian Plützer ◽  
Isabel Hünig ◽  
Karl Kleinermanns ◽  
Eyal Nir ◽  
Mattanjah S. de Vries
Keyword(s):  
Laser Spectroscopy ◽  
Double Resonance ◽  
Resonance Laser ◽  
Adenine Thymine

Optical double resonance with laser-induced fluorescence detection

1982 ◽  
Vol 307 (1500) ◽  
pp. 603-615 ◽  
Keyword(s):  
Free Radicals ◽  
Laser Beam ◽  
Hyperfine Structure ◽  
Fluorescence Detection ◽  
Molecular Species ◽  
Double Resonance ◽  
Laser Induced Fluorescence ◽  
Intense Laser ◽  
Laser Induced Fluorescence Detection ◽  
Optical Double Resonance

The saturation of level populations induced in a molecule by an intense laser beam may be probed by a second beam at the same or a different frequency. A number of schemes have been based on this principle for simplifying complex spectra or for achieving sub-Doppler resolution. Fluorescence detection provides the sensitivity for studies on free radicals and other transient molecular species. The two beams may be provided by two separate lasers, or by sideband modulation of a single laser. These techniques are reviewed. Emphasis is placed on recent studies of hyperfine structure, of Stark splittings, and of Zeeman splittings.

scholarly journals Infrared–ultraviolet double resonance measurements on the temperature dependence of rotational and vibrational self-relaxation of NO(X2Π, υ = 2,j)

1994 ◽  
Vol 72 (3) ◽  
pp. 606-611 ◽  
Author(s):  
Michael J. Frost ◽  
Meezanul Islam ◽  
Ian W.M. Smith
Keyword(s):  
Ground State ◽  
Energy Exchange ◽  
Double Resonance ◽  
Excited Level ◽  
Laser Induced Fluorescence ◽  
Spin Orbit ◽  
Time Resolved ◽  
Fluorescence Measurements ◽  
Direct Measurements ◽  
Electronic Ground

Infrared–ultraviolet double resonance experiments have been performed to measure the rates of rotational and vibrational self-relaxation in NO at three temperatures: 295 K, 200 K, and 77 K. Pulses of tunable infrared radiation from an optical parameteric oscillator have been used to excite molecules into selected rotational levels (j = 0.5, 6.5, or 15.5) in the [Formula: see text] vibronic component of the X2Π electronic ground state of NO. Loss of population from the initially excited level was observed by making time-resolved laser-induced fluorescence measurements on appropriate lines in the A2Σ+ − X2Π(2,2) band. The rate constants for removal of population from specific rovibronic levels are essentially independent of j and at 295 K agree well with previous direct measurements on a range of υ, j levels. The rotationally thermalized population in υ = 2 relaxes by vibration–vibration (V–V) energy exchange, NO(υ = 2) + NO(υ = 0) → 2 NO(υ = 1), at a rate which is almost independent of temperature and which seems to be uninfluenced by the presence of spin-orbit degeneracy in, and attractive forces between, the NO collision partners.

A conformational study of protonated noradrenaline by UV–UV and IR dip double resonance laser spectroscopy combined with an electrospray and a cold ion trap method

2017 ◽  
Vol 19 (17) ◽  
pp. 10777-10785 ◽  
Author(s):  
Hiromichi Wako ◽  
Shun-ichi Ishiuchi ◽  
Daichi Kato ◽  
Géraldine Féraud ◽  
Claude Dedonder-Lardeux ◽  
...  
Keyword(s):  
Laser Spectroscopy ◽  
Ion Trap ◽  
Double Resonance ◽  
Conformational Study ◽  
Cold Condition ◽  
Resonance Laser

In protonated noradrenaline, 3 folded and 2 extended conformers were identified under the ultra-cold condition.

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