Textile finishing by laser

Cyclodextrins in Textile Finishing

control of the optical properties of nanoparticles by laser fields

در این پایان نامه، درهمتنیدگی بین یک سیستم نقطه کوانتومی دوگانه(مولکول نقطه کوانتومی) و میدان مورد مطالعه قرار گرفته است. از آنتروپی ون نیومن به عنوان ابزاری برای بررسی درهمتنیدگی بین اتم و میدان استفاده شده و تاثیر پارامترهای مختلف، نظیر تونل زنی(که توسط تغییر ولتاژ ایجاد می شود)، شدت میدان و نسبت دو گسیل خودبخودی بر رفتار درجه درهمتنیدگی سیستم بررسی شده اشت.با تغییر هر یک از این پارامترها، در...

Preparation of Nano-ZnO and Its Application to the Textile on Antistatic Finishing

Nano-ZnO was prepared by direct precipitation method with zinc chloride and sodium carbonate anhydrous as raw materials, and its particle size and dispersion were characterized by TEM. The effects of concentration and the ratio of reactants and reaction temperature on its dispersion in aqueous solution were analyzed and the best reaction conditions were as follows: reaction temperature 60 , ult...

Statistical Model of Laser Surface Finishing Using Design of Experiments

In previous work, laser polishing indirect-SLS metal parts was achieved using a Nd:YAG laser raster scanned at high speed. This work showed surface roughness could effectively be reduced by means of shallow surface melting. Surface area roughness data, Ra, was obtained by line profilometry measurements of the polished samples according to a modified procedure based on the ASME standard for surf...

A High-energy, High-average-power Laser Using Nd:ylf Rods Corrected by Magnetorheological Finishing

194 LLE Review, Volume 99 Introduction Optical parametric chirped-pulse amplification1,2 (OPCPA) is well suited for the front end of modern petawatt glass laser chains.3 The broadband gain available with OPCPA at a wavelength of 1053 nm offsets the gain narrowing that occurs in large Nd-doped glass amplifiers.4 It can be scaled to large energies,5 in contrast to the practical limits imposed by ...