✦ LIBER ✦

Resonant four-photon ionization of H atoms at 364.7 nm

✍ Scribed by G. Baravian; J. Jolly; P. Persuy; G. Sultan

Publisher: Elsevier Science
Year: 1989
Tongue: English
Weight: 370 KB
Volume: 159
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(89)87500-1

No coin nor oath required. For personal study only.

✦ Synopsis

A method is developed which allows in situ measurement of absolute number densities of hydrogen atoms in a flowing afterglow. The diagnosis is based on the detection of the photoions resulting from the resonant four-photon ionization of A atoms at 364.7 nm near saturation conditions.

📜 SIMILAR VOLUMES

Detection of atomic hydrogen in flames b

Detection of atomic hydrogen in flames by resonance four-photon ionization at 365 nm

✍ Paul J.H. Tjossem; Terrill A. Cool 📂 Article 📅 1983 🏛 Elsevier Science 🌐 English ⚖ 465 KB

The first observations of the four-photon ionization of H atoms at 364.7 nm via a three-photon resonance on the Lyman alpha transition are reported. The resonance ionization detection of H and D atoms in an Hz/Dz/Oz/Ar flame is demonstrated and H-atom density profiles arc measured with good spatial

Resonant two photon ionization of H and

Resonant two photon ionization of H and D atoms

✍ H. Zacharias; H. Rottke; J. Danon; K.H. Welge 📂 Article 📅 1981 🏛 Elsevier Science 🌐 English ⚖ 328 KB

A simplified method for absolute MPI cro

A simplified method for absolute MPI cross-section measurements. Application to three-photon non-resonant ionization of Xe at 266 nm

✍ Israel Schechter; Hartmut Schröder; Karl L. Kompa 📂 Article 📅 1992 🏛 Elsevier Science 🌐 English ⚖ 624 KB

A simple method to measure absolute MPI cross sections based on a direct measurement of the ions, produced out of the focal region, is described. The method avoids the problem of the complicated effective-volume evaluation at the focus of a laser beam, difficulties in estimation of the absolute numb

Absolute rate data for reactions of grou

Absolute rate data for reactions of ground-state atomic calcium, Ca(4s2(1S0)), at elevated temperatures determined by time-resolved atomic resonance absorption spectroscopy at λ = 422.7 nm (41P1 ← 41S0)

✍ Robert S. Clay; David Husain 📂 Article 📅 1991 🏛 Elsevier Science 🌐 English ⚖ 911 KB

Reactions of ground-state atomic calcium, Ca(4s2(ISo)), with a large number of collision partners have been investigated by direct spectroscopic measurement using atomic resonance absorption spectroscopy in the timedomain. Ca(41So) was generated by the pulsed irradiation of Cal 2 vapor at elevated t

Kinetic study of electronically excited

Kinetic study of electronically excited lead atoms, Pb(61D2), by atomic absorption spectroscopy using attenuation of resonance radiation at λ = 373.995 nm, Pb(7s(3P02) ← 6p2(1D2))

✍ D. Husain; J.G.F. Littler 📂 Article 📅 1972 🏛 Elsevier Science 🌐 English ⚖ 259 KB

A method is described for investigating the kinetics of electronically excited lead atoms, Pb(6 1 Dz), by atomic absorption spectroscopy.

Measurement of absolute rate data for th

Measurement of absolute rate data for the reaction of atomic potassium, K(42S½), with CH3F, C2H5F, C6H5F, CH3Br, C2H5Br, HCl and HBr by time-resolved atomic resonance absorption spectroscopy at λ = 404 nm (K(52PJ) ← K(42S½))

✍ D. Husain; Y. H. Lee 📂 Article 📅 1988 🏛 John Wiley and Sons 🌐 English ⚖ 846 KB

We present a kinetic study of atomic potassium in its electronic ground state, K(4'SI 21, generated in the "single-shot mode" by pulsed irradiation at elevated temperatures and monitored by time-resolved atomic resonance absorption spectroscopy using the Rydberg doublet at A = 404 nm (K[5'PJ] +K[42S