Zobrazeno 1 - 10
of 30
pro vyhledávání: '"L.Z. Ismail"'
Publikováno v:
Optics & Laser Technology. 69:77-79
It is shown that a simple photometric method provides high accurate result for the wavelength at which the retardance of a phase plate assumes the value π/2 . Result for a quartz quarterwave plate is presented and is found to be in high agreement wi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d83d34c79d3d5f527ba183247d6fca9d
https://doi.org/10.1016/j.optlastec.2014.12.024
https://doi.org/10.1016/j.optlastec.2014.12.024
Publikováno v:
Radioprotection. 47:403-411
Radon-222 exhalation from different ceramic tiles depends upon the radium (226 Ra) concentration and porosity. Raw zirconium sand is one of the substances widely used in the ceramic industry and it is naturally radioactive. This can produce unjustifi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c2003c3f6f70ed7bdb246b7321932f1
https://doi.org/10.1051/radiopro/2012011
https://doi.org/10.1051/radiopro/2012011
Publikováno v:
IEEE Transactions on Plasma Science. 39:842-846
The dynamics of an electron in the fields associated with a TE electromagnetic wave propagating inside a circular waveguide is analytically studied. The motion of this electron along the axis of the waveguide is investigated in the existence of a hel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7b3f025b0b460e24e1c83bb3fd0453bf
https://doi.org/10.1109/tps.2011.2104369
https://doi.org/10.1109/tps.2011.2104369
Publikováno v:
Optics & Laser Technology. 54:42-44
A new simple and precise method for the alignment of polarizing prisms in optical polarization systems is presented. The Poincare sphere representation is used to explain the alignment procedure. The method considers the case of an imperfect polarize
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b1cbfd7c253d7b5ab983d1fdbc040999
https://doi.org/10.1016/j.optlastec.2013.05.003
https://doi.org/10.1016/j.optlastec.2013.05.003
Autor:
L.Z. Ismail, A.A. El-Magd
Publikováno v:
IEEE Transactions on Plasma Science. 20:57-61
The electron temperature in a stationary hydrogen plasma has been studied using a Langmuir probe. The measurements have been carried out over the pressure range from 3 mbar (2.25 torr) to 25 mbar (18.75 torr). The applied microwave power was varied f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0282332361c6eb7063dd1fa78b2341c1
https://doi.org/10.1109/27.134024
https://doi.org/10.1109/27.134024
Autor:
L.Z. Ismail
Publikováno v:
Infrared Physics. 33:47-51
Plasma luminescence has been measured in the visible range from 200 to 800 nm. The effect of collisions with sputtered copper ionic species at different argon gas pressures on the emission light intensity has been studied. The behaviour of well resol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d7f2ef9c123df1f318ce5c5fb53b0a28
https://doi.org/10.1016/0020-0891(92)90054-w
https://doi.org/10.1016/0020-0891(92)90054-w
Autor:
G. Ali, L.Z. Ismail
Publikováno v:
Infrared Physics. 26:263-265
The absorption coefficient of polyethylene sheets has been measured for two wavelengths (0.6328 μm, He-Ne laser; 10.6 μm, CO2 laser). For TEA CO2 laser power densities up to 104 W cm−2, the absorption coefficient was found to be 35.36 cm−1. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7794f9cd4a3bab8dc08a2ff166a4593a
https://doi.org/10.1016/0020-0891(86)90078-3
https://doi.org/10.1016/0020-0891(86)90078-3
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