Ghost imaging with shaped incoherent sources

Author: ljpp

August undefined, 2024

WebOct 1, 2015 · In this paper, we try to apply the source-shaping technique to improve the resolution of the computational ghost imaging (CGI), which is a variant of the ghost imaging setup. The CGI theory was first proposed by Shapiro in 2008 [7], and then its experimental demonstration was performed by Silberberg et al. in 2009 [8]. WebJun 8, 2024 · Ghost imaging (GI) through a turbulent atmosphere with a new kind of Lorentz-shaped incoherent source is investigated. It is well known that the diffraction effect of a Lorentz beam is more robust to propagation distance than a Gaussian beam of the same beam size, which may be helpful for long-distance imaging through turbulence or …

The influence of the positive and negative defocusing on lensless ghost …

WebOct 15, 2024 · Ghost imaging has been demonstrated in both the spatial and temporal domains, using incoherent classical light sources or entangled photon pairs. Here … WebWith five designed incoherent sources, one can obtain five different corresponding ghost imaging patterns, then the phase information of the object can be calculated from those five speckle patterns. ... The current ghost imaging phase reconstruction schemes require either complex optical systems, Fourier transform steps, or iterative ... docuworks fax 宛先表ツール

[2211.09293] Phase retrieval based on shaped incoherent sources

WebDec 1, 2013 · Search worldwide, life-sciences literature Search. Advanced Search Coronavirus articles and preprints Search examples: "breast cancer" Smith J WebThe resolution and classical noise in ghost imaging with a classical thermal light are investigated theoretically. For ghost imaging with a Gaussian Schell model source, the dependences of the resolution and noise on the spatial coherence of the source and the aperture in the imaging system are discussed and demonstrated by using numerical … WebDec 1, 2013 · This website requires cookies, and the limited processing of your personal data in order to function. By using the site you are agreeing to this as outlined in our … extremity\\u0027s nm

Ghost image (orthopantomogram) Radiology Reference Article

WebJun 8, 2024 · Ghost imaging (GI) is a novel imaging method that can non-locally reproduce an image of the object in hostile environments by utilizing correlation operation [1–6], and … WebHere, an incoherent Lorentz source is first applied in a GI system to realize long-distance imaging through atmospheric turbulence. Based on the extended Huygens-Fresnel … docuworks englishWebdiffraction imaging using an incoherent source based on a higher-order cosh-Gaussian modulation of a laser beam and CGD. The CGD system with an incoherent source is … docuworks easy print

"WebLensless ghost imaging with fully spatially incoherent source is investigated theoretically and experimentally. The effects of positive and negative defocusing on lensless ghost imaging are studied by using classical optical theory and a fully spatially incoherent source. Based on the numerical calculation and experimental results, we find that the … " - Ghost imaging with shaped incoherent sources

Ghost imaging with shaped incoherent sources

Noise analysis in ghost telescope and ghost Fourier telescope …

WebWe show that the image quality of ghost imaging (GI) can be controlled by the use of shaped incoherent sources. The formula for the point-spread function in the GI system has been derived and is determined by the Fourier transform of the source intensity distribution. Compared with the widely used Gaussian Schell-model source, we find that … Webdebate too. Figure 1 schematically illustrates two types of thermal light ghost imaging experiments. The upper ﬁgure is the lensless ghost imaging [5–7], which is designed from the principle of nonlocal interference. The lower ﬁgure is the speckle-to-speckle ghost imaging [9,10], representing the physics of local intensity ﬂuctuation ...

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WebAbstract. Ghost imaging (GI) through a turbulent atmosphere with a new kind of Lorentz-shaped incoherent source is investigated. It is well known that the diffraction effect of a Lorentz beam is more robust to propagation distance than a Gaussian beam of the same beam size, which may be helpful for long-distance imaging through turbulence or …

WebJul 12, 2024 · Ghosting is a popular process that enables a complete image of a drive or volume to be snapshotted, and then used to create a new image on one or more drives. … WebMay 30, 2024 · Ghost imaging with a fully spatially incoherent source in transparent liquid is investigated theoretically and numerically. The effects of water depth, refractive index …

WebNov 2, 2024 · The inhibition effect from the cosh-Gaussian modulated incoherent source on the defocusing effect is investigated theoretically in lensless ghost imaging (LGI) and ghost diffraction (LGD) systems. The corresponding numerical simulations are presented to show the influence of the cosh-Gaussian incoherent source on the defocusing effect in … WebNov 17, 2024 · By designing five different incoherent sources in ghost imaging (GI), we have proposed a kind of five-step phase-shifting method to reconstruct the phase …

WebDec 30, 2024 · To demonstrate clearly the high-visibility capability of the eigenvalue filtering tool in ghost imaging scheme to binary images, ... Ghost imaging with shaped incoherent sources. Opt. Lett., 38 (24) (2013), pp. 5381-5384, 10.1364/OL.38.005381. View in Scopus Google Scholar [30]

WebSep 11, 2024 · We show that the quality of the underwater imaging can be effectively improved by utilizing the computational ghost imaging (CGI) scheme with shaped Lorentz sources. The formula for the point-spread function in the underwater CGI system with a shaped Lorentz source is derived theoretically, and numerical examples are given to … docuworks fax受信ファイル名WebMay 17, 2005 · We theoretically study ghost imaging with incoherent and partially coherent light radiation by using classical optical coherence theory. A Gaussian thin lens equation is derived for the ghost image. The equation depends on both paths. The quality and visibility of the ghost image are influenced by the source's transverse size, … docuworks fax送信履歴WebDec 15, 2013 · Ghost imaging with shaped incoherent sources We show that the image quality of ghost imaging (GI) can be controlled by the use of shaped incoherent … extremity\u0027s nkWebJan 7, 2016 · For ghost imaging and Fourier-transform imaging, the incoherent Gaussian source modulated with cosh function can improve the imaging resolution with an … docuworks fax送信設定WebSep 10, 2024 · In our underwater CGI scheme, a shaped incoherent Lorentz source is applied to realize ghost images. We would like to note that the intensity fluctuations of the source obey to a complex circular Gaussian random process with zero mean and only the shape of the source's intensity distribution is adjusted. extremity\u0027s nhWebDec 15, 2013 · The inhibition effect from the cosh-Gaussian modulated incoherent source on the defocusing effect is investigated theoretically in lensless ghost imaging (LGI) and … docuworks fax送信宛先WebGhost imaging, often called cloning , is a software-driven data backup process that copies the contents of a computer hard disk in a single compressed file or set of files, referred to … extremity\\u0027s np