Title :
Extended depth of field for laser-scanning barcode reader with wavefront coding
Author :
W. Hashimoto;H. Sugita;S. Komatsu
Author_Institution :
Department of Applied Physics, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, Japan
Abstract :
We achieved a significant extension of the depth of field for a laser-scanning barcode reader by wavefront coding with a cubic phase mask. If the present method is adopted in a laser-scanning barcode reader, a decrease in the frequency of reading failure is expected.
Keywords :
"Lenses","Encoding","Laser beams","Measurement by laser beam","Reflection","Microoptics"
Conference_Titel :
Microoptics Conference (MOC), 2015 20th
Print_ISBN :
978-4-8634-8487-0
DOI :
10.1109/MOC.2015.7416494
