Zobrazeno 1 - 10
of 155
pro vyhledávání: '"Naveen K. Nishchal"'
Publikováno v:
Discover Applied Sciences, Vol 6, Iss 11, Pp 1-13 (2024)
Abstract Optical vortex beam has gained much attention in the field of information processing because of its inherent features, such as the infinite number of orthogonal modes. In this paper, we demonstrate optical image encryption based on the deoxy
Externí odkaz:
https://doaj.org/article/a4053673975b4df0a4fc74343371c6eb
Autor:
Allarakha Shikder, Naveen K. Nishchal
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-10 (2023)
Abstract Optical image/data encryption techniques are mostly based on the manipulation of spatial distributions of light's amplitude, phase, and polarization. Information encoding with phase involves complex interferometric set-up and polarization en
Externí odkaz:
https://doaj.org/article/4f30d55d401244ec9e850b0c7259afa3
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-11 (2022)
Abstract Vector-vortex (VV) beams are of significant interest for various applications. There have been substantial efforts toward developing a fast and efficient method for the characterization of generated VV beams which is crucial for their usage.
Externí odkaz:
https://doaj.org/article/09b791d9fd4f45279bf206fb4c087b62
Autor:
Mansi Baliyan, Naveen K. Nishchal
Publikováno v:
Photonics, Vol 11, Iss 3, p 263 (2024)
The orbital angular momentum (OAM) associated with structured singular beams carries vital information crucial for studying various properties and applications of light. Determining OAM through the interference of light is an efficient method. The in
Externí odkaz:
https://doaj.org/article/a71a4096d226402887f87915218e1b24
Publikováno v:
Photonics, Vol 10, Iss 10, p 1096 (2023)
The extended maximum average correlation height (EMACH) filter is a potent pattern-detection tool used in image processing and computer vision applications. This filter enhances the effectiveness of the maximum average correlation height (MACH) filte
Externí odkaz:
https://doaj.org/article/30fffa39fe9f4961b40c96e0761a4a1d
Publikováno v:
Asian Journal of Physics. 31:1117-1128
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::df13c1767ab5a1a4d386c2bc083ec90c
https://doi.org/10.54955/ajp.31.11-12.2022.1117-1128
https://doi.org/10.54955/ajp.31.11-12.2022.1117-1128
Publikováno v:
IEEE Photonics Technology Letters. 34:521-524
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b006c4db5e09ca1751c3bea476492435
https://doi.org/10.1109/lpt.2022.3169011
https://doi.org/10.1109/lpt.2022.3169011
Autor:
Alok K. Gupta, Naveen K. Nishchal
Publikováno v:
Journal of Optics. 51:605-612
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b666c8e5ea488beb571f484ad452dbee
https://doi.org/10.1007/s12596-021-00819-3
https://doi.org/10.1007/s12596-021-00819-3
Autor:
Allarakha Shikder, Naveen K. Nishchal
Publikováno v:
Journal of the Optical Society of America A. 40:1231
Of late, generation of different kinds of optical vortex lattices has been gaining much attention due to various applications. Several methods have been reported for the generation of optical vortex lattices using a coherent light source involving in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2bad57788809df32d66ae5c88cdc77af
https://doi.org/10.1364/josaa.489469
https://doi.org/10.1364/josaa.489469