Engineering and Technology Journal

Keywords = reflectivity

Number of Articles: 3
Gradient-Porosity Porous Silicon (GPSi) as Anti-reflection Coating in Solar Cells Applications
Gradient-Porosity Porous Silicon (GPSi) as Anti-reflection Coating in Solar Cells Applications

Alwan M. Alwan; Suaad M. Ali

Volume 33, 1B , January 2015, , Page 152-159

https://doi.org/10.30684/etj.33.1B.16

Abstract
  Laser Assisted Etching (LAE) technique with short laser wavelength was used to provide a gradient-porosity porous silicon (GPSi) layer. Morphological aspects, reflectivity and photoelectric ...  Read More ...
Characteristics of Nanostructure Porous Silicon Prepared by Anodization Technique
Characteristics of Nanostructure Porous Silicon Prepared by Anodization Technique

Ayoub H. Jaafar; Uday M. Nayef

Volume 31, 3B , March 2013, , Page 339-347

https://doi.org/10.30684/etj.31.3B.7

Abstract
  Porous silicon (PS) layers are prepared by anodization for different current densities. The samples are then characterized the nanocrystalline porous silicon layer by X-Ray Diffraction ...  Read More ...
A Study On The Effect of Using Various Reflectivities of Output Couplers on CW Carbon Dioxide Laser Performance
A Study On The Effect of Using Various Reflectivities of Output Couplers on CW Carbon Dioxide Laser Performance
Volume 25, Issue 10 , December 2007, , Page 333-336

https://doi.org/10.30684/etj.25.10.10

Abstract
  A practical study has been carried out on axial flow CW CO2 laser bychanging the output coupler with a wide range of reflectivities. ZnSe mirrorswere used in various reflectivities ...  Read More ...