نتایج جستجو برای: reflection coating

تعداد نتایج: 97605  

Journal: :Optics express 2011
G N Smith T Allsop K Kalli C Koutsides R Neal K Sugden P Culverhouse I Bennion

We present a novel device for the characterisation of static magnetic fields through monitoring wavelength shifts of femtosecond inscribed fibre Bragg grating and micromachined slot, coated with Terfenol-D. The device was sensitive to static magnetic fields and can be used as a vectoral sensor for the detection of magnetic fields as low as 0.046 mT with a resolution of ± 0.3mT in transmission a...

Journal: :Optics letters 2008
Chih-Hung Sun Brian J Ho Bin Jiang Peng Jiang

We have developed a simple and scalable bottom-up approach for fabricating moth-eye antireflective coatings on GaAs substrates. Monolayer, non-close-packed silica colloidal crystals are created on crystalline GaAs wafers by a spin-coating-based single-layer reduction technique. These colloidal monolayers can be used as etching masks during a BCl(3) dry-etch process to generate subwavelength-str...

Journal: :Optics express 2009
Meng Jiang A Ping Zhang Yang-Chun Wang Hwa-Yaw Tam Sailing He

A long-period grating (LPG) based compact optical fiber sensor working in reflection mode is demonstrated. A technique to make a mirror on the cladding region of a fiber end-face to reflect only the cladding modes was realized by growing a polymeric microtip on the core region of the fiber end-face, by photopolymerization, followed by coating the fiber end-face with an aluminum film. Using the ...

Journal: :Journal of pharmaceutical sciences 2007
J Axel Zeitler Yaochun Shen Colin Baker Philip F Taday Michael Pepper Thomas Rades

Three dimensional terahertz pulsed imaging (TPI) was evaluated as a novel tool for the nondestructive characterization of different solid oral dosage forms. The time-domain reflection signal of coherent pulsed light in the far infrared was used to investigate film-coated tablets, sugar-coated tablets, multilayered controlled release tablets, and soft gelatin capsules. It is possible to determin...

2016
Jiyeon Jeon Khagendra Bhattarai Deok-Kee Kim Jun Oh Kim Augustine Urbas Sang Jun Lee Zahyun Ku Jiangfeng Zhou

Over the years, there has been increasing interest in the integration of metal hole array (MHA) with optoelectronic devices, as a result of enhanced coupling of incident light into the active layer of devices via surface plasmon polariton (SPP) resonances. However, not all incident light contributes to the SPP resonances due to significant reflection loss at the interface between incident mediu...

2017
Silke L. Diedenhofen Grzegorz Grzela Erik Haverkamp Gerard Bauhuis John Schermer Jaime Gómez Rivas

We report a novel graded refractive index antireflection coating for III/V quadruple solar cells based on bottom-up grown tapered GaP nanowires. We have calculated the photocurrent density of an InGaP-GaAs-InGaAsPInGaAs solar cell with a MgF2/ZnS double layer antireflection coating and with a graded refractive index coating. The photocurrent density can be increased by 5.9 % when the solar cell...

H. Alemohammad J. Akbari M. Keikhaie, M.R. Movahhedi

Thin bonded films have many applications in antireflection and reflection coating, insulating and conducting films and semiconductor industries. Thermal conductivity is one of the most important parameter for power packaging since the thermal resistance of the interconnections is directly related to the heat removal capability and thermal management of the power package. The defects in material...

Journal: :E3S web of conferences 2021

Based on the development of thermal reflective coating materials at home and abroad, modified emulsified asphalt was selected as substrate material nano TiO 2 filler. Different filler dosage selected, optimal ratio obtained by analyzing pavement temperature data measured in field experiment. Finally, construction technology reflection is described detail.

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