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Ability of gas modu...
Ability of gas modulation to reduce the pickup of fluctuations in refractometry
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- Axner, Ove (författare)
- Umeå universitet,Institutionen för fysik,Umeå University, Sweden
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- Silander, Isak, 1980- (författare)
- Umeå universitet,Institutionen för fysik,Umeå University, Sweden
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- Forssén, Clayton (författare)
- Umeå universitet,Institutionen för fysik,Umeå University, Sweden
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- Zakrisson, Johan (författare)
- Umeå universitet,Institutionen för fysik,Umeå University, Sweden
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- Zelan, Martin (författare)
- RISE,Mätteknik
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(creator_code:org_t)
- OSA - The Optical Society, 2020
- 2020
- Engelska.
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Ingår i: Journal of the Optical Society of America. B, Optical physics. - : OSA - The Optical Society. - 0740-3224 .- 1520-8540. ; 37:7, s. 1956-1965
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Gas modulation refractometry is a technique for assessment of gas refractivity, density, and pressure that, by a rapid modulation of the gas, provides a means to significantly reduce the pickup of fluctuations. Although its unique feature has previously been demonstrated, no detailed explication or analysis of this ability has yet been given. This work provides a theoretical explanation, in terms of the length of the modulation cycle, of the extent to which gas modulation can reduce the pickup of fluctuations. It is indicated that a rapid modulation can significantly reduce the influence of fluctuations with Fourier frequencies lower than the inverse of the modulation cycle length, which often are those that dominate. The predictions are confirmed experimentally
Ämnesord
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Nyckelord
- Density of gases
- Gases
- Pickups
- Fourier
- Modulation cycles
- Refractometry
- Unique features
- Modulation
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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