Articles with "optical trap" as a keyword



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The integrated lensing effect and its application in single cell refractive index measurement in a dual-fiber optical trap

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Published in 2018 at "Optik"

DOI: 10.1016/j.ijleo.2018.02.003

Abstract: Abstract We have fully investigated the integrated lensing effect that the beam suffers in a dual-fiber optical trap. A modified model for coupling of a beam to the opposing fiber has been built in consideration… read more here.

Keywords: optical trap; effect; lensing effect; integrated lensing ... See more keywords
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Effective trapping of cold atoms using dipole and radiative forces in an optical trap

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Published in 2019 at "Physical Review A"

DOI: 10.1103/physreva.100.063426

Abstract: We report on the stable effective trapping of cold rubidium atoms by a method for a single optical trap in the near-optical resonant regime. An optical trap with the near-optical resonance condition consists of not… read more here.

Keywords: trapping cold; optical trap; trap; effective trapping ... See more keywords
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Narrow-band pulsed electron source based on near-threshold photoionization of Cs in a magneto-optical trap

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Published in 2020 at "Physical Review A"

DOI: 10.1103/physreva.101.013424

Abstract: The newly developed method of time-of-flight (ToF) momentum microscopy was used to analyse the cold electron emission from a Cs 3D magneto-optical trap (MOT). Three-step resonant photoionization was implemented via two intermediate states (6P3/2 pumped… read more here.

Keywords: optical trap; magneto optical; photoionization; electron ... See more keywords
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Sawtooth-wave adiabatic passage in a magneto-optical trap

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Published in 2020 at "Physical Review A"

DOI: 10.1103/physreva.101.053434

Abstract: We investigate theoretically the application of Sawtooth Wave Adiabatic Passage (SWAP) in a 1D magneto-optical trap (MOT). As opposed to related methods that have been previously discussed, our approach utilizes repeated cycles of stimulated absorption… read more here.

Keywords: magneto optical; wave adiabatic; optical trap; trap ... See more keywords
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Lithium-cesium slow beam from a two-dimensional magneto-optical trap

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Published in 2021 at "Physical Review A"

DOI: 10.1103/physreva.103.023102

Abstract: We present the creation of a lithium-cesium slow beam using a two-dimensional magneto-optical trap. The two-species atomic beam is directed to load a three-dimensional magneto-optical trap in ultrahigh vacuum. We achieve a loading rate of… read more here.

Keywords: magneto optical; optical trap; trap; beam ... See more keywords
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Blue-Detuned Magneto-Optical Trap.

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Published in 2018 at "Physical review letters"

DOI: 10.1103/physrevlett.120.083201

Abstract: We present the properties and advantages of a new magneto-optical trap (MOT) where blue-detuned light drives "type-II" transitions that have dark ground states. Using ^{87}Rb, we reach a radiation-pressure-limited density exceeding 10^{11}  cm^{-3} and a temperature… read more here.

Keywords: magneto optical; optical trap; blue detuned; detuned magneto ... See more keywords
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X-ray diffraction measurement of a single nanometre-sized particle levitated in air by an optical-trap sample holder.

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Published in 2020 at "Journal of synchrotron radiation"

DOI: 10.1107/s1600577519013651

Abstract: A single-beam optical-trap sample holder for X-ray diffraction measurements with synchrotron radiation has been developed. The sample holder was used to obtain an X-ray diffraction image of a single ZnO particle levitated in air, without… read more here.

Keywords: optical trap; ray diffraction; diffraction; zno particle ... See more keywords
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Design of an optical trap for storing femtosecond laser pulses.

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Published in 2018 at "Applied optics"

DOI: 10.1364/ao.57.001212

Abstract: An optical trap for storing femtosecond laser pulses to enhance the interaction effectiveness with optically thin targets is being proposed and investigated. Presently, we studied the trapping of 10-200 fs laser pulses of wavelength 800 nm, 1 μJ… read more here.

Keywords: optical trap; laser; laser pulses; trap storing ... See more keywords
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Generation of nanoscale anticounterfeiting patterns on silicon by optical trap assisted nanopatterning

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Published in 2017 at "Journal of Laser Applications"

DOI: 10.2351/1.4966590

Abstract: Among the different strategies aimed at protecting products from counterfeiting, hidden security patterns are used by manufacturers to mark their products in a unique way. However, most anticounterfeiting patterns bear the risk of being reproduced… read more here.

Keywords: trap assisted; optical trap; microscopy; anticounterfeiting patterns ... See more keywords
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Demonstration of a Compact Magneto-Optical Trap on an Unstaffed Aerial Vehicle

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Published in 2022 at "Atoms"

DOI: 10.3390/atoms10010032

Abstract: The extraordinary performance offered by cold atom-based clocks and sensors has the opportunity to profoundly affect a range of applications, for example in gravity surveys, enabling long term monitoring applications through low drift measurements. While… read more here.

Keywords: optical trap; unstaffed aerial; magneto optical; aerial vehicle ... See more keywords
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Zeeman slowing atoms using the magnetic field from a magneto-optical trap

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Published in 2019 at "Chinese Optics Letters"

DOI: 10.3788/col201917.040201

Abstract: We study a Zeeman slower using the magnetic field generated by a pair of coils for a magneto-optical trap. The efficiency of the Zeeman slower is shown to be dependent on the intensity and frequency… read more here.

Keywords: magneto optical; slowing atoms; using magnetic; optical trap ... See more keywords