| Issue |
EPL
Volume 81, Number 6, March 2008
|
|
|---|---|---|
| Article Number | 68002 | |
| Number of page(s) | 4 | |
| Section | Interdisciplinary Physics and Related Areas of Science and Technology | |
| DOI | https://doi.org/10.1209/0295-5075/81/68002 | |
| Published online | 25 February 2008 | |
Nanosecond control and high-density production of spin-polarized hydrogen atoms
1
Department of Physics, University of Crete - 71003 Heraklion-Crete, Greece
2
Institute of Electronic Structure and Laser, Foundation for Research and Technology-Hellas 71110 Heraklion-Crete, Greece
3
School of Chemistry, University of Edinburgh - West Mains Road, Edinburgh, EH9 3JJ, UK
Corresponding author: ptr@iesl.forth.gr
Received:
11
December
2007
Accepted:
27
January
2008
We demonstrate directly the nanosecond-timescale production of spin-polarized hydrogen (SPH) atoms from photodissociation of thermal HBr molecules, and the spin-state and Doppler-resolved detection using polarized fluorescence at 121.6 nm, without requiring hyperfine resolution. These techniques allow a variety of spin-dependent, nanosecond pump-probe experiments with SPH, which were not previously realizable. The potential of surpassing the SPH densities and production rates of current techniques is discussed.
PACS: 82.50.Nd – Control of photochemical reactions / 24.70.+s – Polarization phenomena in reactions / 82.50.Hp – Processes caused by visible and UV light
© EPLA, 2008
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