Excitation cross sections of Cd/sup +/ ions for the upper and lower states of the Cd II 441. 6-nm laser line by electron impact

Journal Article · Sat Jan 01 04:00:00 EST 1983 · Phys. Rev. A; (United States)

DOI:https://doi.org/10.1103/PhysRevA.27.124· OSTI ID:6211869

Hane, K; Goto, T; Hattori, S

The excitation cross sections by electron impact from the Cd II ground state to the laser upper state 5s/sup 2/ /sup 2/D/sub 5/2/ (Beutler state) and the laser lower state 5p /sup 2/P/sub 3/2/ (resonance state) have been measured by using a crossed-beam method of electrons and Cd/sup +/ ions and a photon-counting method. The electron-energy region investigated was from the threshold energy (5.8 eV) for the excitation of the 5p /sup 2/P/sub 3/2/ state to 20 eV. It has been shown that the excitation cross section for the ionic Beutler state 5s/sup 2/ /sup 2/D/sub 5/2/ is of the order of 10/sup -15/ cm/sup 2/ and has a sharp peak near the threshold energy for the excitation. The excitation cross section for the resonance state 5p /sup 2/P/sub 3/2/ has also been of the order of 10/sup -15/ cm/sup 2/ and has a relatively broad maximum.

• Research Organization: Department of Electronics, Faculty of Engineering, Nagoya University, Nagoya 464, Japan
• OSTI ID: 6211869
• Journal Information: Phys. Rev. A; (United States), Journal Name: Phys. Rev. A; (United States) Vol. 27:1; ISSN PLRAA
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
420300 -- Engineering-- Lasers-- (-1989)
640304* -- Atomic
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
BEAMS
CADMIUM IONS
CHARGED PARTICLES
COLLIDING BEAMS
COLLISIONS
COUNTING TECHNIQUES
CROSS SECTIONS
ELECTRON COLLISIONS
ELECTRON-ION COLLISIONS
ELEMENTARY PARTICLES
ENERGY DEPENDENCE
ENERGY RANGE
ENERGY-LEVEL TRANSITIONS
EV RANGE
EV RANGE 01-10
EV RANGE 10-100
EXCITATION
GAS LASERS
ION COLLISIONS
IONS
LASERS
MASSLESS PARTICLES
METAL VAPOR LASERS
MODULATION
PHOTONS