OEM/ODM China Energy Storage Wax Series to Guinea Factories
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OEM/ODM China Energy Storage Wax Series to Guinea Factories Detail:
The characteristic of Thermostatic Wax consists of its volume expansion amount can reach up to 13 ~ 15 % when it is heated from solid to liquid. We use this characteristic, when it is heated to a solid-liquid transformation, its’ heat energy can translate into mechanical energy. Thermostatic Wax has been widely applied to temperature auto regulation of thermal-driving and various thermal-starting devices.
We take the wax’s advantage characteristic which can absorb and release thermal energy in the solid-liquid transformation process to store the transferred energy to achieve making use of the most of rich energy resource. Recently years, the new technique has been researched and developed in many fields all over the world, such as new building material, textile industry, electric power, medical device, aviation and space. Some of projects have already stepped into a practical and commercial stage
To conform to market requirement, we have a very good cooperation with some Chinese famous Universities, Scientific Institutions & enterprises to develop and research in energy storage wax.. Some projects have already stepped into a practical stage
|
Name |
Model |
Melt Point |
Mechanical Impurities (%) |
Water-Solubility Acid and Alkali |
Appearance |
|
Energy Storage Wax |
E20 |
20 |
Non |
Non |
White-Yellowy Liquid |
|
Energy Storage Wax |
E21 |
25 |
Non |
Non |
White-Yellowy Liquid |
|
Energy Storage Wax |
E22 |
30 |
Non |
Non |
White-Yellowy Liquid |
|
Energy Storage Wax |
E23 |
35 |
Non |
Non |
White-Yellowy Liquid |
|
Energy Storage Wax |
E24 |
40 |
Non |
Non |
White-Yellowy Solid |
|
Energy Storage Wax |
E25 |
45 |
Non |
Non |
White-Yellowy Solid |
|
Energy Storage Wax |
E26 |
50 |
Non |
Non |
White-Yellowy Solid |
|
Energy Storage Wax |
E27 |
80 |
Non |
Non |
White |
Product detail pictures:
The business keeps to the operation concept "scientific management, premium quality and efficiency primacy, customer supreme for OEM/ODM China Energy Storage Wax Series to Guinea Factories, The product will supply to all over the world, such as: Leicester , Guyana , Oslo , we sincerely hope to establish a good and long-term business relationship with your esteemed company through this opportunity, based on equality, mutual benefit and win-win business from now to the future. "Your satisfaction is our happiness".
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Silicon lens for mounting plasmonic photoconductive terahertz emitters sales@dmphotonics.com
Featured research:
Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters
In this video article we present a detailed demonstration of a highly efficient method for generating terahertz waves. Our technique is based on photoconduction, which has been one of the most commonly used techniques for terahertz generation 1-8. Terahertz generation in a photoconductive emitter is achieved by pumping an ultrafast photoconductor with a pulsed or heterodyned laser illumination. The induced photocurrent, which follows the envelope of the pump laser, is routed to a terahertz radiating antenna connected to the photoconductor contact electrodes to generate terahertz radiation. Although the quantum efficiency of a photoconductive emitter can theoretically reach 100%, the relatively long transport path lengths of photo-generated carriers to the contact electrodes of conventional photoconductors have severely limited their quantum efficiency. Additionally, the carrier screening effect and thermal breakdown strictly limit the maximum output power of conventional photoconductive terahertz sources. To address the quantum efficiency limitations of conventional photoconductive terahertz emitters, we have developed a new photoconductive emitter concept which incorporates a plasmonic contact electrode configuration to offer high quantum-efficiency and ultrafast operation simultaneously. By using nano-scale plasmonic contact electrodes, we significantly reduce the average photo-generated carrier transport path to photoconductor contact electrodes compared to conventional photoconductors 9. Our method also allows increasing photoconductor active area without a considerable increase in the capacitive loading to the antenna, boosting the maximum terahertz radiation power by preventing the carrier screening effect and thermal breakdown at high optical pump powers. By incorporating plasmonic contact electrodes, we demonstrate enhancing the optical-to-terahertz power conversion efficiency of a conventional photoconductive terahertz emitter by a factor of 50 10.
Introduction
We present a novel photoconductive terahertz emitter that uses a plasmonic contact electrode configuration to enhance the optical-to-terahertz conversion efficiency by two orders of magnitude. Our technique addresses the most important limitations of conventional photoconductive terahertz emitters, namely low output power and poor power efficiency, which originate from the inherent tradeoff between high quantum efficiency and ultrafast operation of conventional photoconductors.
One of the key novelties in our design that led to this leapfrog performance improvement is to design a contact electrode configuration that accumulates a large number of photo-generated carriers in close proximity to the contact electrodes, such that they can be collected within a sub-picosecond timescale. In other words, the tradeoff between photoconductor ultrafast operation and high quantum efficiency is mitigated by spatial manipulation of the photo-generated carriers. Plasmonic contact electrodes offer this unique capability by (1) allowing light confinement into nanoscale device active areas between the plasmonic electrodes (beyond diffraction limit), (2) extraordinary light enhancement at the metal contact and photo-absorbing semiconductor interface 10, 11. Another important attribute of our solution is that it accommodates large photoconductor active areas without a considerable increase in the parasitic loading to the terahertz radiating antenna. Utilizing large photoconductor active areas enable mitigating the carrier screening effect and thermal breakdown, which are the ultimate limitations for the maximum radiation power from conventional photoconductive emitters. This video article is concentrated on the unique attributes of our presented solution by describing the governing physics, numerical modeling, and experimental verification. We experimentally demonstrate 50 times higher terahertz powers from a plasmonic photoconductive emitter in comparison with a similar photoconductive emitter with non-plasmonic contact electrodes.
Keywords: Physics, Issue 77, Electrical Engineering, Computer Science, Materials Science, Electronics and Electrical Engineering, Instrumentation and Photography, Lasers and Masers, Optics, Solid-State Physics, Terahertz, Plasmonic, Time-Domain Spectroscopy, Photoconductive Emitter, electronics
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3731459/
