Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Hossein Saghafifar"'
Publikováno v:
Iranian Journal of Physics Research, Vol 22, Iss 3, Pp 193-198 (2022)
This paper presents the fabrication process and operation of a bio-sensor based on tapered optical fiber by using optical spectrum shift in the presence of PBS buffer and dissolved streptavidin. The taper-fiber sensors are 18 and 24 μm in diameter a
Externí odkaz:
https://doaj.org/article/76841b92d70443ab8edac63bb8038fb9
Publikováno v:
IEEE Sensors Journal. 20:5243-5250
Application of a non-adiabatic tapered fiber optic biosensor for real-time, label-free detection of methyl-parathion pesticide (MPT) in presence of acetylthiocholine iodide (ATCh) is presented. The limit of detection of MPT in the presence of 1 mM AT
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9cbe2bc4e89da91e84c63f6bdd4a3578
https://doi.org/10.1109/jsen.2020.2968895
https://doi.org/10.1109/jsen.2020.2968895
Publikováno v:
Optik. 191:37-42
The output properties of a hybrid configuration containing a low pressure and an atmospheric pressure pulsed CO2 laser are theoretically analyzed. The simulation is performed based on the Six-Temperature Vibrational-Rotational Dynamic Model (6TVRM).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9c7bcb6af79c6ba83f4da30f2e8f87c9
https://doi.org/10.1016/j.ijleo.2019.05.098
https://doi.org/10.1016/j.ijleo.2019.05.098
Publikováno v:
Spectrochimica Acta Part B: Atomic Spectroscopy. 150:86-91
In this research, at first we investigated the formation mechanisms of BO and BO2 radicals in the laser induced plasma of B4C sample. Several reactions between primitive fragments and the ambient atmosphere have been raised and discussed. Also the in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2707176901ccf5fa52abe2323c565103
https://doi.org/10.1016/j.sab.2018.10.012
https://doi.org/10.1016/j.sab.2018.10.012
Autor:
Hossein Saghafifar, Alireza Pezh
Publikováno v:
Optics & Laser Technology. 107:253-259
In this paper, a new mechanism which limits extracted peak power in transversely excited atmospheric (TEA) CO2 lasers is introduced. This mechanism is power broadening that we considered it as a saturation term here. A comprehensive model has been de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c1517ac2ee180c4d2e0167324a0ac700
https://doi.org/10.1016/j.optlastec.2018.05.024
https://doi.org/10.1016/j.optlastec.2018.05.024
Publikováno v:
Optik. 173:110-119
In this paper the fourth order statistical momentum behavior of irradiance fluctuations through hot air chambers which is crucial for evaluating the proper performance of optical turbulence generator (OTG) as a laser communication channel is studied.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::759d2521b6813f2130c7d1f9fdd87c0f
https://doi.org/10.1016/j.ijleo.2018.08.009
https://doi.org/10.1016/j.ijleo.2018.08.009
Autor:
Ali Gholami, Hossein Saghafifar
Publikováno v:
Journal of Modern Optics. 65:1210-1218
A numerical simulation for underwater imaging through a wavy sea surface has been done. We have used a common approach to model the sea surface elevation and its slopes as an important source of im...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8586b00430c8a3a70d3ba5b3c22f24b5
https://doi.org/10.1080/09500340.2018.1429682
https://doi.org/10.1080/09500340.2018.1429682
A sensitive tapered-fiber optic biosensor for the label-free detection of organophosphate pesticides
Publikováno v:
Sensors and Actuators B: Chemical. 249:523-532
A new optical biosensor for the detection of organophosphate compounds is reported. The transducing element is a non-adiabatic tapered fiber operates based on interference of propagation modes. By measuring the spectral shift of interferometric patte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::647f706cb78eee240c0881826860b042
https://doi.org/10.1016/j.snb.2017.04.121
https://doi.org/10.1016/j.snb.2017.04.121
Publikováno v:
Optics & Laser Technology. 94:248-252
In this paper, Young’s modulus of polymers is experimentally measured using pressure sensors based on surface plasmon polariton. Theoretical relationships of changes in polymer reflective index due to applying pressure are investigated as well as t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2145d551f7c80ee1ba06c3e27349f3a2
https://doi.org/10.1016/j.optlastec.2017.04.002
https://doi.org/10.1016/j.optlastec.2017.04.002
Autor:
Ali Gholami, Hossein Saghafifar
Publikováno v:
Optik. 142:598-607
We have developed a numerical model, which is a combination of ray-tracing and optical propagation, to study underwater downwelling irradiance fluctuations, which occur due to the focusing of light by wind-driven surface waves, at different depths an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d5be49d34028056c8294ab3aa20c097a
https://doi.org/10.1016/j.ijleo.2017.06.041
https://doi.org/10.1016/j.ijleo.2017.06.041