Simple pressure-tuned Fabry–Pérot interferometer

Hansis, E.; Cubel, T.; Choi, Jongsoo; Guest, Jeffrey R.; Raithel, Georg

doi:10.1063/1.1866237

Cited by 13 publications

(9 citation statements)

References 9 publications

(9 reference statements)

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“…Since the trap laser (λ = 780 nm) is up to 42 GHz detuned from the field-free transition frequency, it cannot be locked using standard saturated spectroscopy. It is locked to a home-built pressure-tuned Fabry-Perot interferometer [26]. We trap of order 3 × 10 7 atoms, at densities of order 10 9 cm −3 and temperatures near the Doppler limit (150 μK).…”

Section: High-magnetic-field Atom Trapmentioning

confidence: 99%

“…To perform a controlled high-resolution scan, the laser is first locked to a pressure-tuned, temperature-stabilized Fabry-Perot interferometer [26]. To perform a scan, the pressure inside the Fabry-Perot is scanned in a well-defined manner, as described in [26]. In Fig.…”

Section: High Resolution Spectroscopymentioning

confidence: 99%

“…To enable such studies in the future, a narrow-linewidth Rydberg excitation laser has been added to the experiment (wavelength ∼ 480 nm, linewidth several MHz). To perform a controlled high-resolution scan, the laser is first locked to a pressure-tuned, temperature-stabilized Fabry-Perot interferometer [26]. To perform a scan, the pressure inside the Fabry-Perot is scanned in a well-defined manner, as described in [26].…”

Section: High Resolution Spectroscopymentioning

confidence: 99%

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Atoms and plasmas in a high-magnetic-field trap

Raithel¹,

Knuffman²,

Shah³

et al. 2008

AIP Conference Proceedings

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We investigate cold rubidium plasmas in a particle trap that has the unique capability to simultaneously laser-cool and trap neutral atoms as well as to confine plasmas in magnetic fields of about three Tesla. The atom trap is a high-field Ioffe-Pritchard laser trap, while the plasma trap is a Ioffe-Penning trap that traps electrons and ions in separate wells. The observed plasma dynamics is characterized by a breathing-mode oscillation of the positive (ionic) plasma component, which feeds back on the behavior of the negative (electron) component of the plasma. At higher densities, the observed oscillations become nonlinear. The electron component has been found to undergo rapid cooling. We further report on the recombination of magnetized plasmas into Rydberg atoms in transient traps and quasi-steady-state traps. In transient traps, large numbers of recombined Rydberg atoms in high-lying states are observed. In quasi-steady-state traps, the measured numbers of recombined atoms are lower and the binding energies higher.

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Section: High-magnetic-field Atom Trapmentioning

confidence: 99%

Section: High Resolution Spectroscopymentioning

confidence: 99%

Section: High Resolution Spectroscopymentioning

confidence: 99%

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Atoms and plasmas in a high-magnetic-field trap

Raithel¹,

Knuffman²,

Shah³

et al. 2008

AIP Conference Proceedings

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“…An external cavity diode laser (780 nm, 1 MHz linewidth) excites atoms to the intermediate state 5P 3=2 jm J 3=2, m I 5=2i. This laser is locked to a pressure-tuned Fabry-Perot interferometer [9] in order to accommodate the large Paschen-Back shift B ! c =4 B 14 GHz=T of the transition frequency from its field-free value, where !…”

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confidence: 99%

Landau Quantization and Time Dependence in the Ionization of Cold, Strongly Magnetized Rydberg Atoms

et al. 2005

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The electric-field-ionization and autoionization behavior of cold Rydberg atoms of 85Rb in magnetic fields up to 6 T is investigated. Multiple ionization potentials and field-ionization bands reflecting the Landau energy quantization of the quasifree Rydberg electron are observed. The time-resolved and state-selective field-ionization study provides evidence of mixing and spin flips of the Rydberg electron. Spin-orbit coupling combined with mixing gives rise to a Feshbach-type autoionization of metastable positive-energy atoms.

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“…The Rabi frequency on the upper transition is estimated to be 3 MHz. The beam driving the upper transition is derived from a frequency-doubled, 960 nm diode laser (Toptica DL-100) which is locked to a pressure-tuned Fabry-Perot cavity [17]. The optical pulses have a temporal FWHM of the intensity distribution of 100 ns.…”

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confidence: 99%

Double-Resonance Spectroscopy of Interacting Rydberg-Atom Systems

et al. 2008

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The energy level spectrum of a many-body system containing two shared, collective Rydberg excitations is measured using cold atoms in an optical dipole trap. Two pairs of independently tunable laser pulses are employed to spectroscopically probe the spectrum in a double-resonance excitation scheme. Depending on the magnitude of an applied electric field, the Rydberg-atom interactions can vary from resonant dipole-dipole to attractive or repulsive van der Waals, leading to characteristic signatures in the measured spectra. Our results agree with theoretical estimates of the magnitude and sign of the interactions.

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Simple pressure-tuned Fabry–Pérot interferometer

Cited by 13 publications

References 9 publications

Atoms and plasmas in a high-magnetic-field trap

Atoms and plasmas in a high-magnetic-field trap

Landau Quantization and Time Dependence in the Ionization of Cold, Strongly Magnetized Rydberg Atoms

Double-Resonance Spectroscopy of Interacting Rydberg-Atom Systems

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