… from 10 to 400 nm, the visible region from 380 to 740 nm, and the IR band from 750 nm to 1
mm. … Bulk grown semi-insulating GaAs is produced mainly for substrates for the electronics …

… the high dielectric constant difference between the polymer-matrix and semiconductor/metal …
nonlinearity of CdSe/PVA nanocomposites at 633 nm using a continuous wave laser. To our …

… The second material, Sn2P2S6, is a photorefractive material where point defects with
specific … The effects of 633 nm and 1064 nm light on EPR spectra and absorption spectra are …

… The photorefractive effect in a hybrid NLC cell assembled … and 405 nm were used to write
the gratings and 633 nm wavelength … and dielectric anisotropies of the doped system. Usually, …

… refractive effects of intrastromal photorefractive keratectomy with the picosecond laser. …
wavelengths of 514 and 633 nm are used for this project. This instrument is located in the …

… 37 He-Ne, 38,39,40,42 and diode 43,44 lasers, have been used, with the most common
being the He-Ne laser with λ = 633 nm. This is probably due to the relatively long coherent …

… uses elemental sulfur as a comonomer and reaction medium. At high temperatures,
elemental sulfur is homolytically ring opened, resulting in a high concentration of sulfur radicals …

… This, in conjunction with the experimental λ = 633 nm, permitted the use of C 60 as the
photosensitizer in the current study. To study the enhancement of the τ as a result of the inclusion …

… 3 (pyroelectric 17 and photorefractive 18 effects) and SiO 2 /Si (… We used a green diode
laser (532 nm) as the light source to … We also used a 980 nm diode laser with a high switching …

… 532 nm beams were used to store the image in a pure polarization hologram, and a 633 nm
… The photorefractive effect is a nonlinear optical phenomenon in which the variation of the …