scholarly journals Experimental obtaining of polarization ghost images by ghost polarimetry

2019 ◽  
Vol 220 ◽  
pp. 03002
Author(s):  
Dmitry Agapov ◽  
Sergei Magnitskiy ◽  
Anatoly Chirkin

The paper presents the experimental implementation of a new version of the ghost image method ghost polarimetry in unpolarized light. Like conventional polarimetry, ghost polarimetry is used to study the polarization properties of objects. Our proposed version of this technique is applied to objects whose influence on the polarization state of light is determined by linear dichroism. The restoration of the polarization properties of the object was carried out in the framework of the theory that we constructed on the basis of the apparatus of Jones matrices.

1997 ◽  
Vol 7 (C2) ◽  
pp. C2-325-C2-326
Author(s):  
C. Revenant-Brizard ◽  
J. R. Regnard ◽  
J. Mimault ◽  
D. Duclos ◽  
J. J. Faix

2020 ◽  
Vol 2020 (2) ◽  
pp. 100-1-100-6
Author(s):  
Takuya Omura ◽  
Hayato Watanabe ◽  
Naoto Okaichi ◽  
Hisayuki Sasaki ◽  
Masahiro Kawakita

We enhanced the resolution characteristics of a threedimensional (3D) image using time-division multiplexing methods in a full-parallax multi-view 3D display. A time-division light-ray shifting (TDLS) method is proposed that uses two polarization gratings (PGs). As PG changes the diffraction direction of light rays according to the polarization state of the incident light, this method can shift light rays approximately 7 mm in a diagonal direction by switching the polarization state of incident light and adjusting the distance between the PGs. We verified the effect on the characteristics of 3D images based on the extent of the shift. As a result, the resolution of a 3D image with depth is improved by shifting half a pitch of a multi-view image using the TDLS method, and the resolution of the image displayed near the screen is improved by shifting half a pixel of each viewpoint image with a wobbling method. These methods can easily enhance 3D characteristics with a small number of projectors.


Vestnik MEI ◽  
2019 ◽  
Vol 4 (4) ◽  
pp. 119-126
Author(s):  
Vitaliy P. Kutepov ◽  
◽  
Mikhail I. Zubov ◽  

Jurnal Common ◽  
2018 ◽  
Vol 2 (2) ◽  
Author(s):  
Tina Rakhmatin ◽  
Dian Amilia

Penelitian ini bertujuan untuk mengetahui proses komunikasi interpersonal orang tua kepada anak autis di Kota Bandung. Untuk menjawab dari tujuan penelitian tersebut, peneliti menetapkan sub fokus pada Komunikasi verbal, komunikasi nonverbal, dan faktor penghambat. Penelitian ini menggunakan metode kualitatif dengan studi deskriptif dimana informan yang terlibat dalam penelitian ini berjumlah lima orang yang terdiri dari empat informan kunci sebagai orang tua dan satu informan pendukung psikolog anak sebagai informan pendukung. Hasil penelitian ini menunjukkan bahwa proses komunikasi interpersonal yang dilakukan antara orang tua dengan anak autis tidak seperti melakukan komunikasi dengan anak normal dan sulit untuk melakukan komunikasi agar dapat dipahami oleh anak autis. Komunikasi verbal yang dilakukan dengan autis harus jelas, tegas, singkat dan juga dengan menggunakan metode gambar, serta adanya kata-kata perintah yang diberikan demi kemandirian anak autis. Komunikasi nonverbal dilakukan dengan gerakan-gerakan ketika orang tua memberikan larangan kepada anak dengan menggunakan gerakan jari telunjuk yang mengacung kemudian digoyangkan, mereka akan segera berhenti melakukan hal tersebut dan memahami bahwa hal tersebut dilarang. Faktor penghambat dalam berkomunikasi dengan anak autis yaitu sulitnya melakukan kontak mata, kurangnya respon yang diberikan, kesulitan berbicara yang dialami anak autis, serta gangguan pada bidang sensori. --------------------------------------------------------------------------------- This study aims to determine the parent's interpersonal communication process to autistic children in the city of Bandung. To answer the purpose of the study, the researcher established a sub focus on verbal communication, nonverbal communication, and inhibiting factors. This study uses qualitative methods with descriptive studies where the informants involved in this study amounted to five people consisting of four key informants as parents and one informant supporting child psychologists as supporting informants. The results of this study indicate that the process of interpersonal communication carried out between parents and children with autism is not like communicating with normal children and is difficult to communicate so that it can be understood by children with autism. Verbal communication done with autism must be clear, firm, concise and also by using the image method, as well as the words of the commands given for the independence of autistic children. Nonverbal communication is carried out with movements when parents give a prohibition to children by using the movement of the index finger that is raised and then shaken, they will immediately stop doing that and understand that it is prohibited. Inhibiting factors in communicating with children with autism are difficulty in making eye contact, lack of response given, speech difficulties experienced by autistic children, and disturbances in the sensory field.


Author(s):  
Richard Healey

Often a pair of quantum systems may be represented mathematically (by a vector) in a way each system alone cannot: the mathematical representation of the pair is said to be non-separable: Schrödinger called this feature of quantum theory entanglement. It would reflect a physical relation between a pair of systems only if a system’s mathematical representation were to describe its physical condition. Einstein and colleagues used an entangled state to argue that its quantum state does not completely describe the physical condition of a system to which it is assigned. A single physical system may be assigned a non-separable quantum state, as may a large number of systems, including electrons, photons, and ions. The GHZ state is an example of an entangled polarization state that may be assigned to three photons.


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