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Researchers Boost Efficiency And Stability Of Optical Rectennas（图）
Researchers Efficiency And Stability Optical Rectennas
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2018/2/1
The research team that announced the first optical rectenna in 2015 is now reporting a two-fold efficiency improvement in the devices — and a switch to air-stable diode materials. The improvements cou...
STABILITY CONTROL OF AN HISTORICAL STRUCTURE WITH TLS SURVEY
3D modeling cultural heritage stability control terrestrial laser scanning
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2015/10/8
In this paper we present the preliminary results of a study aimed to assess the stability of a complex historical structure such as the
Anatomy Theatre. The construction occupies the two upper floor...
Three-dimensional self-assembled photonic crystals with high temperature stability for thermal emission modification
Three-dimensional self-assembled photonic crystals temperature stability thermal emission modifi cation
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2015/8/7
Selective thermal emission in a useful range of energies from a material operating at high temperatures is required for effective solar thermophotovoltaic energy conversion.Three-dimensional metallic ...
Optical Fiber Link with 1E-19 frequency stability using a Planar-Waveguide External Cavity Laser Diode
Optical Fiber Link 1E-19 frequency Planar-Waveguide External Cavity Laser Diode
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2011/8/3
Abstract: We compare the performances of a compact planar-waveguide external cavity laser (ECL) and a traditional fiber laser (FL) frequency locked to a Fabry-P\'erot cavity and demonstrate the possib...
Transfer of a 1486.3 MHz frequency standard over installed fibre links for local oscillator distribution with a stability of 1 picosecond
standard over installed fibre links oscillator distribution stability
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2015/8/4
Details of a local oscillator distribution system over 110 km of installed fibre with an r.m.s. stability of, 1 ps in 1 second, 2 ps in 1 minute and 4 ps in 10 minutes.
Directional and Wavelength Multi-stability Realized by a Novel Retro- Reflector Micro-Cavity Based Semiconductor Ring Laser
Wavelength Multi-stability Realized Novel Retro-Reflector Micro-Cavity Semiconductor Ring Laser
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2015/8/3
Directional and wavelength multi-stability characteristics of a novel retro-reflector micro-cavity based semiconductor ring laser are described, which can provide 2-bit all optical memory function in ...