Investigations Of Laser Pumped Gas Cell Atomic Frequency Standard

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Investigations Of Laser Pumped Gas Cell Atomic Frequency Standard

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Author :
language : en
Publisher:
Release Date : 1981

Investigations Of Laser Pumped Gas Cell Atomic Frequency Standard written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with categories.

Recently it has been suggested that the performance characteristics of a rubidium gas cell atomic frequency standard might be improved by replacing the standard rubidium discharge lamp with a single mode laser diode. Since the short term stability of the rubidium frequency standard is limited by the shot noise of the photodetector, an increased signal to noise ratio, from the more efficient laser diode pumping, might significantly improve the short term performance. Because the emission wavelength of the laser diode can be tuned, improved long term performance could be attained through the control of the light shift effect. However, work done by Lewis et al at NBS Boulder indicates that a new source of instability is present in the laser pumped clock; the frequency instability of the laser induces instability in the frequency standard. We have been investigating various aspects of the laser pumped gas cell atomic clock. Our investigations include effects due to laser intensity, laser detuning and the choice of the particular atomic absorption line. Our studies indicate that the performance of the gas cell clock may be improved by judicious choice of the operating parameters of the laser diode.

Exploration Of The Potential Performance Of Diode Laser Pumped Gas Cell Atomic Frequency Standards

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Author : James C. Camparo
language : en
Publisher:
Release Date : 1986

Exploration Of The Potential Performance Of Diode Laser Pumped Gas Cell Atomic Frequency Standards written by James C. Camparo and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with categories.

Recently, there has been considerable interest in the use of single-mode diode lasers in atomic frequency standards. In this report, theoretical calculations were performed to quantify the expected performance improvement upon incorporation of diode lasers in rubidium gas cell atomic frequency standards. We assume that clock signal shot noise, the diode laser's quantum noise, and diode laser frequency locking noise all contribute to the atomic frequency standard's stability. Keywords include: Atomic Clocks, Diode Lasers, and Optical Pumping.

Scientific And Technical Aerospace Reports

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Author :
language : en
Publisher:
Release Date : 1994

Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Aeronautics categories.

Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.

Laser Induced Asymmetry And Inhomogeneous Broadening Of The Microwave Lineshape Of A Gas Cell Atomic Frequency Standard

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Author :
language : en
Publisher:
Release Date : 1982

Laser Induced Asymmetry And Inhomogeneous Broadening Of The Microwave Lineshape Of A Gas Cell Atomic Frequency Standard written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with categories.

Recently, there has been interest in the possibility of replacing the rf discharge lamp in a rubidium gas cell clock with a single mode laser diode. Since the short term stability of the rubidium frequency standard is limited by the shot noise of the photodetector, an increased signal-to-noise ratio due to more efficient laser diode optical pumping might improve the short term performance. Because the emission wavelength of the laser diode can be tuned, improved long term performance dcould be gained through the control of the light shift effect. However, due to the nature of the gas cell frequency standard, various physical phenomena are strongly coupled in their effect on the frequency output, and thus careful consideration must be given to any change in one parameter because of its interrelation with other parameters.

Technical Abstract Bulletin

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Author :
language : en
Publisher:
Release Date : 1979

Technical Abstract Bulletin written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Science categories.

Publications Of The National Bureau Of Standards Catalog

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Author : United States. National Bureau of Standards
language : en
Publisher:
Release Date : 1980

Publications Of The National Bureau Of Standards Catalog written by United States. National Bureau of Standards and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with categories.

Publications Of The National Institute Of Standards And Technology Catalog

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Author : National Institute of Standards and Technology (U.S.)
language : en
Publisher:
Release Date : 1991

Publications Of The National Institute Of Standards And Technology Catalog written by National Institute of Standards and Technology (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with categories.

Lasers And Masers

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Author :
language : en
Publisher:
Release Date : 1962

Lasers And Masers written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with Lasers categories.

Lasers And Masers A Continuing Bibliography

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Author : United States. National Aeronautics and Space Administration
language : en
Publisher:
Release Date : 1965

Lasers And Masers A Continuing Bibliography written by United States. National Aeronautics and Space Administration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1965 with Lasers categories.

Publications

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Author : United States. National Bureau of Standards
language : en
Publisher:
Release Date : 1978

Publications written by United States. National Bureau of Standards and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Government publications categories.