Multi-band imaging and focusing of photonic crystal flat lens wi...In this Letter, a photonic crystal (PC) flat lens with a scatterer-size gradient is proposed, which simultaneously achieves imaging of the point source and sub-wavelength focusing of the plane wave in the first, second, and fifth bands. The imaging of the ...
Double Q-switched 946 nm laser with MgO:LN electro-optic crystal...We report a double Q-switched 946 nm laser with a magnesium-oxide-doped LiNbO3 (MgO:LN) electro-optic (EO) crystal and a monolayer molybdenum diselenide (MoSe2) saturable absorber (SA). A pulsed laser diode side-pumped long neodymium-doped yttrium ...
Performance of an elliptical crystal spectrometer for SGII X-ray...A new crystal spectrometer for application in X-ray opacity experiments is proposed. The conditions necessary to yield ... , the design, response modeling and reporting of an elliptical crystal spectrometer in conjunction with a linear detector are presented. ...
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