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Optoenergy storage, stimulated processes in optical amplification with electro-optic ceramic gain media of Nd3+ doped lanthanum lead zirconate titanate
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10.1063/1.3618683
/content/aip/journal/jap/110/3/10.1063/1.3618683
http://aip.metastore.ingenta.com/content/aip/journal/jap/110/3/10.1063/1.3618683
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Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) Absorption and photoluminescence properties of the Nd:PLZT sample; (b) schematic diagram of the end-pumping geometry in optical amplification both for continuous wave and pulse mode pumping; typical dynamics of the gain measurement recorded with a HP Infinium digital oscilloscope as the pumping power was fixed at 5.0 W; (c) the crossing angle was set at 19.7° under cw pumping case; and (d) the crossing angle at 155° under pulse pumping.

Image of FIG. 2.
FIG. 2.

(Color online) (a) Schematic diagram of a unit cell of perovskite structure to which PLZT belongs; (b) a AFM micrograph of the surface of a 20 μm thick PLZT film made by metal-organic chemical liquid deposition (MOCLD); (c) schematic of a polycrystalline ceramic with vacancies and defects within and on boundaries of grains that trap electrons.

Image of FIG. 3.
FIG. 3.

Schematic diagram of energy levels that illustrates the continuous trap distribution (Refs. 16–18): ST-shallow trap level; TAT-thermally active level at energy Ea; TDT-thermally disconnected traps; RC-recombination center.

Image of FIG. 4.
FIG. 4.

(Color online) (a) A typical photochromic pattern written on a 1.0 mol% Nd3+:PLZT sample after exposure to a royal blue LED light (centered at 455 nm, 300 mW) for 1 min; (b) broadband absorption originated from photochromism in the 1.0 mol% Nd:PLZT samples: circles, before royal blue light illumination; stars, after 5 s; black line with solid squares, after 10 min.

Image of FIG. 5.
FIG. 5.

(Color online) (a) Thermal bleaching time of darkening pattern in a Nd3+:PLZT ceramic slug vs surrounding temperature in darkness; the left panel in the inset was the metal mask, and the right panel the darkening pattern formed on the slug after exposure to a royal blue LED for ten minutes; (b) a typical photo-induced bleaching dynamic of photochromic effect from the HP Infinium digital oscilloscope.

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/content/aip/journal/jap/110/3/10.1063/1.3618683
2011-08-08
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Optoenergy storage, stimulated processes in optical amplification with electro-optic ceramic gain media of Nd3+ doped lanthanum lead zirconate titanate
http://aip.metastore.ingenta.com/content/aip/journal/jap/110/3/10.1063/1.3618683
10.1063/1.3618683
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