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| 1 | Photon momentum transfer in inhomogeneous dielectric mixtures and induced tractor beams显示文摘The determination of optical force as a consequence of momentum transfer is inevitably subject to the use of the proper momentum density and stress tensor.It is imperative and valuable to consider the intrinsic scheme of photon momentum transfer,particularly when a particle is embedded in a complex dielectric environment.Typically,we consider a particle submerged in an inhomogeneous background composed of different dielectric materials,excluding coherent illumination or hydrodynamic effects.A ray-tracing method is adopted to capture the direct process of momentum transfer from the complex background medium,and this approach is validated using the modified Einstein–Laub method,which uses only the interior fields of the particle in the calculation.In this way,debates regarding the calculation of the force with different stress tensors using exterior fields can be avoided.Our suggested interpretation supports only the Minkowski approach for the optical momentum transfer to the embedded scatterer while rejecting Peierls’s and Abraham’s approaches,though the momentum of a stably moving photon in a continuous background medium should be considered to be of the Abraham type.Our interpretation also provides a novel method of realizing a tractor beam for the exertion of negative force that offers an alternative to the use of negative-index materials,optical gain,or highly non-paraxial or multiple-light interference. | Cheng-Wei Qiu Weiqiang Ding MRCMahdy Dongliang Gao Tianhang Zhang Fook Chiong Cheong Aristide Dogariu Zheng Wang Chwee Teck Lim | 2015 | Light(Science & Applications)2015，4，1： | 3 |
| 2 | Estimating topological charge of propagating vortex from single-shot non-imaged speckle显示文摘Encoding information using the topological charge of vortex beams has been proposed for optical communications. The conservation of the topological charge on propagation and the detection of the topological charge by a receiver are significant in these applications and have been well established in free-space. However, when vortex beams enter a diffuser,the wavefront is distorted, leading to a challenge in the conservation and detection of the topological charge. Here, we present a technique to measure the value of the topological charge of a vortex beam obscured in the randomly scattered light. The results of the numerical simulations and experiments are presented and are in good agreement. In particular, only a single-shot measurement is required to detect the topological charge of vortex beams, indicating that the method is applicable to a dynamic diffuser. | 陈丽 Rakesh Kumar Singh Aristide Dogariu 陈子阳 蒲继雄 | 2021 | Chinese Optics Letters2021，19，2： | 2 |
| 3 | 查看详情显示文摘 | Siviloglou G A Broky J Dogariu A Christodoulides D N | | 0，，： | 1 |
| 4 | Optical path-length spectroscopy of wave propagation in random media 显示文摘 | POPESCU G DOGARIU A | 1999 | Optics Letters1999，24，7： | 1 |
| 5 | 查看详情显示文摘 | Siviloglou G A Broky J Dogariu A Christodoulides D N | | 0，，： | 1 |
| 6 | Optical path-length spectroscopy of wave propagation in random media 显示文摘 | Popescu G Dogariu A | 1999 | Opt Lett1999，24，7： | 1 |
| 7 | Mode analysis of spreading of partially coherent beams propagating through atmospheric turbulence显示文摘 | Shira T Dogariu A Wolf E | 2003 | J Opt Soc Am2003，6，20： | 1 |
| 8 | Gain-assisted superlu- minal light propagation 显示文摘 | Wang L Kuzmich A Dogariu A | 2000 | Nature2000，406，： | 1 |
| 9 | Propagation of partially coherent beams: Turbulence-induced degradation 显示文摘 | DOGARIU A AMARANDE S | 2003 | Opt Lett2003，28，1： | 1 |
| 10 | Interferometric imaging polarimeter 显示文摘 | Mujat Mircea Baleine Erwan Dogariu Aristide | 2004 | Journal of theOptical Society of America A2004，21，11： | 1 |
| 11 | Mode analysis of spreading of partially coherent beams propagating through atmospheric turbulence 显示文摘 | SHIRAI T DOGARIU A WOLF E | 2003 | J Opt Soc Am A2003，20，6： | 1 |
| 12 | Gainassisted superluminal light propagation显示文摘 | Kuzmich A Dogariu A | 2000 | Nature2000，406，： | 1 |
| 13 | Gain-assisted Superluminal Light Propagation显示文摘 | WANG L J KUZMICH A DOGARIU | 2000 | Nature2000，406，： | 1 |
| 14 | Directionality of Gaussian Schell-model beams propagating in atmospheric turbulence 显示文摘 | Shirai T Dogariu A Wolf E | 2003 | Optic Letter2003，28，8： | 1 |
| 15 | 查看详情显示文摘 | Siviloglou G A Broky J Dogariu A Christodoulides D N | | 0，，： | 1 |
| 16 | Observa- tion of accelerating Airy beams显示文摘 | SIVILOGLOU G A BROKY J DOGARIU A | 2007 | Physical Review Letters2007，99，21： | 1 |
| 17 | Propagation of partially coherent beams: Turbulence-induced degradation显示文摘 | Dogariu A Amarande S | 2003 | Optics Letters2003，28，1： | 1 |
| 18 | Complex degree of mutual polarization显示文摘 | ELLIS J DOGARIU A | 2004 | Opt Lett2004，，29： | 1 |
| 19 | Self-heal- ing properties of optical Airy beams显示文摘 | BROKY J SIVILOGLOU G A DOGARIU A | 2008 | Optics Express2008，16，12： | 1 |
| 20 | Gain-assisted superluminal light propagation显示文摘 | Wang L J Kuzmich A Dogariu A | 2000 | Nature2000，406，： | 1 |
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