… 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 …

… 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 …

… 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 …

… studied are competitive candidates, such as photorefractive (PR) polymer composite, liquid
… Three lasers with the wavelengths of 633 nm, 532 nm, and 473 nm are used as readout …

… The wavelength ranges between 190 and 3300 nm, with 0.08 nm and 0.3 nm accuracy in the
UV … in this study were performed at a resolution of 1 nm and an integration time of 1 sec/nm. …

… the LC responses due to the surface photorefractive effect. Impact of the electric behavior of
the … In this thesis, the key role of ITO in the surface photorefractive effect, hence LC director …

… This thesis explores tantalum pentoxide as a dielectric … with a (helium-cadmium) HeCd 325
nm laser to measure the … was measured for 633 nm and around 0.1 dB/cm for 1550 nm. They …