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Making Hydrogen Fuel from Water and Visible Light Highly Efficient（图）
Making Hydrogen Fuel Water Visible Light Highly Efficient
2015/9/9
Mimicking photosynthesis is not easy. The bottleneck of artificial photosynthesis is visible light, because converting it into other forms of energy is not efficient. Researchers at Michigan Technolog...
Compact and Portable Multiline UV & Visible Raman Laser in Hydrogen-filled HC-PCF
Visible Raman Hydrogen-filled HC-PCF
2015/7/20
We present a very compact multi-line Raman-laser with broad spectral coverage from near-IR through to the much sought after yellow, deep blue and UV. Each line of the laser exhibits high power density...
Visible luminescence and upconversion processes in Bi-doped silica- based fibers pumped by IR radiation
Visible luminescence upconversion processes Bi-doped fibers pumped IR radiation
2015/7/31
The anti-Stokes visible luminescence and upconversion processes in Bi-doped silica-based fibers were investigated. The upconversion coefficients, absorption cross-sections and concentrations of bismut...
10 Gb/s visible source based on sum frequency generation
visible source sum frequency generation
2015/7/30
We report the generation of a 10 Gb/s source at 639nm with applications in characterizing multimode plastic optical fiber systems, obtained via sum frequency generation in a PPLN crystal.
Ultraviolet photoconductive detector with high visible rejection and fast photoresponse based on ZnO thin film
ZnO MSM Photoconductive detector Responsivity
2011/12/8
In this study, metal–semiconductor–metal (MSM) photoconductive detector was fabricated on c-axis preferred oriented ZnO film prepared on quartz by radio frequency magnetron sputtering. With the applie...