The influence of glass composition on the properties of silver-doped radiophotoluminescent phosphate glasses

Assignments and optical properties of X-ray-induced colour centres in blue and orange radiophotoluminescent silver-activated glasses

“…Later, the nucleation and growth kinetics of silver nanoparticles in glass were investigated in detail [5]. Furthermore, the influence of glass composition on the sensitivity to ionising radiation and the RPL 'build-up' kinetics (i.e., the RPL centre concentration increases as a function of time after irradiation) have been also studied [6]. At the same time, a readout system for the detection of RPL from a glass dosimeter has been developed using a pulsed ultraviolet (UV) nitrogen laser [7] and a UV light emitting diode (LED) [8] as an excitation source.…”

Optical Data Storage in Photosensitive Glasses and Spin State Transition Compounds

“…Photoelectrons are ejected from the valence to the conduction band of the glass (Jones & Reiss, 1977;Stuart et al, 1996;Keldysh, 1965). In a similar manner to the mechanism utilized in a dosimeter (Schneckenburger et al, 1981;Dmitryuk et al, 1996), the released electrons are trapped within a few picoseconds by silver Ag + ions to form silver Ag 0 atoms. Then, due to the high laser repetition rate, the accumulation of the deposited laser energy increases the local temperature leading to the Ag 0 diffusion.…”

“…This intrinsic fluorescence is due to Ag + isolated in the glass (Belharouak et al, 1999). The processed glass is highly photosensitive and was originally developed as a gamma irradiation dosimeter (Schneckenburger et al, 1981;Dmitryuk et al, 1996). Following exposure to gamma rays, the glass presents a broad UV absorption band, and when excited by UV radiation, emits homogeneous fluorescence which intensity is proportional to the irradiation dosage.…”

“…A wide band centered at 580 nm is observed. These spectral properties can be attributed to the photoinduced silver nanoclusters (Dmitryuk et al, 1996;Dai et al, 2007). The optical properties of the silver nanoclusters are studied for different irradiation conditions by white light, epiuorescence and third-harmonic generation (THG) microscopy.…”

Radiophotoluminescence Properties of Ag-Doped Phosphate Glasses Containing Different Alkali Metal Cations

“…It has been reported that PGs containing over 40 mol% NaPO 3 exhibit RPL, and that the NaPO 3 content affects the RPL fluorescence properties. (7) In our previous research, we found that the presence of alkali metals in PG is necessary to achieve RPL, and the alkali metal content affects the RPL properties. (8) In this study, we further investigated the effect of alkali metals in the host on the RPL properties.…”