Frequency-modulation spectroscopy of rubidium atoms with an AlGaAs diode laser
Journal Article
·
· Opt. Lett.; (United States)
Frequency-modulation (FM) spectroscopy has been performed on the D/sub 2/ transitions of rubidium atoms with an AlGaAs diode laser at 780 nm. Doppler-broadened hyperfine-structure transitions of /sup 85/Rb and /sup 87/Rb were resolved with no residual amplitude-modulation-induced background signal by modulating the injection current of the laser diode at a low frequency (20--50 MHz) compared with the Doppler width. To obtain Doppler-free spectra, we combined FM spectroscopy with saturation spectroscopy. The results show that the FM spectroscopy technique is sensitive and should be useful for high-resolution spectroscopy, although the resolution was instrument limited and unusual double peaks were observed.
- Research Organization:
- Department of Physics, Faculty of Education, Kagawa University, Kagawa 760, Japan
- OSTI ID:
- 5714180
- Journal Information:
- Opt. Lett.; (United States), Journal Name: Opt. Lett.; (United States) Vol. 12:11; ISSN OPLED
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
640302* -- Atomic
Molecular & Chemical Physics-- Atomic & Molecular Properties & Theory
74 ATOMIC AND MOLECULAR PHYSICS
ALKALI METAL ISOTOPES
ALKALI METALS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
CONTROL
ELEMENTS
HYPERFINE STRUCTURE
INTERMEDIATE MASS NUCLEI
ISOTOPES
LASER SPECTROSCOPY
LASERS
METALS
MODULATION
NUCLEI
ODD-EVEN NUCLEI
RADIOISOTOPES
RUBIDIUM
RUBIDIUM 85
RUBIDIUM 87
RUBIDIUM ISOTOPES
SEMICONDUCTOR DEVICES
SEMICONDUCTOR LASERS
SPECTROSCOPY
STABLE ISOTOPES
TEMPERATURE CONTROL
YEARS LIVING RADIOISOTOPES
Molecular & Chemical Physics-- Atomic & Molecular Properties & Theory
74 ATOMIC AND MOLECULAR PHYSICS
ALKALI METAL ISOTOPES
ALKALI METALS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
CONTROL
ELEMENTS
HYPERFINE STRUCTURE
INTERMEDIATE MASS NUCLEI
ISOTOPES
LASER SPECTROSCOPY
LASERS
METALS
MODULATION
NUCLEI
ODD-EVEN NUCLEI
RADIOISOTOPES
RUBIDIUM
RUBIDIUM 85
RUBIDIUM 87
RUBIDIUM ISOTOPES
SEMICONDUCTOR DEVICES
SEMICONDUCTOR LASERS
SPECTROSCOPY
STABLE ISOTOPES
TEMPERATURE CONTROL
YEARS LIVING RADIOISOTOPES