A wideband frequency-offset-locked dye laser spectrometer using a schottky barrier mixer

Bergquist, J. C.; Daniel, H. U.

doi:10.1016/0030-4018(84)90309-2

Cited by 27 publications

(5 citation statements)

References 19 publications

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“…1.1. Absorbing ion 115 In + , 5s 2 1 S 0 -5s5p 3 P 0 transition, λ ≈ 236 nm. With this value, based on one single determination, the CCL considered it prudent to double the relative standard uncertainty giving 3.6 × 10 −13 .…”

Section: Recommended Radiations Of Stabilized Lasersmentioning

confidence: 99%

Practical realization of the definition of the metre, including recommended radiations of other optical frequency standards (2001)

2003

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Section: Recommended Radiations Of Stabilized Lasersmentioning

confidence: 99%

Practical realization of the definition of the metre, including recommended radiations of other optical frequency standards (2001)

2003

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“…In this case, the absolute frequency of an input signal is multiplied and compared with the frequency difference of two optical fields in the same device. Typical mixers of this kind are Schottky diodes operating simultaneously as fast photo-diodes and harmonic mixers (Daniel et al 1983, Bergquist andDaniel 1984). (iii) Optical frequency interval dividers, which phase-coherently divide the interval between two optical signals by an integer.…”

Section: Difference-frequency Chainsmentioning

confidence: 99%

Frequency standards and frequency measurement

Bauch

Telle

2002

Rep. Prog. Phys.

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Recent years have brought major breakthroughs in the development, operation and mutual comparison of frequency standards in the microwave as well as in the optical frequency domain. Several cold-atom fountains have been developed, using caesium as well as rubidium atoms. Some of them have been compared among each other. Mutual agreement of the order of one part in 10 15 was demonstrated for two caesium fountains operated side by side but also for two operated simultaneously in the US and Germany. Ultra-narrow resonances of optical transition lines were observed using single trapped ions, and a maximum line quality factor in excess of 10 14 was reported. Measurements of frequencies in the optical range of atomic transitions in neutral hydrogen and calcium, as well as in ions of indium, mercury, strontium and ytterbium, were performed. The last-named achievements were to a large extent enabled by the use of Kerr-effect mode-locked Ti:sapphire femtosecond lasers and techniques of broadening the output spectrum of these lasers to an octave-wide comb.This paper reviews the current status in these fields, with similar emphasis on the standards and on the feasibility to transfer the properties of the standards from a local laboratory to a broader community.

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“…Nowicki et a1 1978, Jitschin 1984, to a stable cavity (e.g. Thompson et a1 1983) or to saturated absorption features in molecules Hall 1969, Bergquist andDaniel 1984).…”

Section: Diference Frequenciesmentioning

confidence: 99%

“…These have been made possible by recent developments in wideband frequency mixers which allow frequency comparisons of widely separated optical radiations to a precision limited in principle only by the reproducibility of the radiations and not by any diffraction effects. For example, in a recent experiment, Bergquist and Daniel (1984) measured the absolute frequency of a neon line at 633.6 nm to a precision of 600 kHz by beat frequency mixing techniques using two steps from the 632.8 nm He-Ne laser line, whose frequency is accurately known. In each case the beat frequency between the two lasers was -234GHz and was detected using a Schottky barrier diode mixer.…”

Section: Diference Frequenciesmentioning

confidence: 99%

High resolution laser spectroscopy of atomic systems

Thompson

1985

Rep. Prog. Phys.

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Laser experiments now dominate the field of high-resolution optical spectroscopy of atoms. This review attempts to show why lasers have had such an impact on the subject and to describe the techniques in use today. It starts by looking at the characteristics of present-day laser sources and at detection methods and techniques for frequency measurement. Then the various ways of performing Doppler-free high-resolution laser spectroscopy are dealt with in turn and examples are given from different areas of atomic spectroscopy to show the wide application of lasers. The main methods dealt with include beam techniques (thermal atomic beams and fast ion beams), multiphoton spectroscopy, saturation methods and laser cooling of atoms and ions. The review concludes by highlighting a number of areas where further development can be expected in the near future.

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A wideband frequency-offset-locked dye laser spectrometer using a schottky barrier mixer

Cited by 27 publications

References 19 publications

Practical realization of the definition of the metre, including recommended radiations of other optical frequency standards (2001)

Practical realization of the definition of the metre, including recommended radiations of other optical frequency standards (2001)

Frequency standards and frequency measurement

High resolution laser spectroscopy of atomic systems

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