Impact Statement: This paper has given a feasibility demonstration of the optical comparator based on Si waveguide for 4-bit QPSK-modulated signal. In this paper, the author proposed a novel ...

Department of Physics, National Institute of Technology Durgapur, Durgapur 713209, West Bengal, India Department of Physics, Banwarilal Bhalotia College, Asansol 713303, West Bengal, India ...

The new Compact 500 Series VisionGauge® Digital Optical Comparator is the perfect solution for space-limited applications. It provides full functionality for smaller parts, in a significantly reduced ...

1 Wuhan Great Sea Hi-Tech Co.,Ltd, Wuhan, China. 2 Linyi Grepo Garden Machinery CO., LTD, Linyi, China. 3 College of Biomedical Engineering, South-Central MinZu University, Wuhan, China. In the ...

This is a DIY digital optical comparator, which is an instrument used to take precise measurements of physical objects through visual means. Optical comparators cost tens of thousands of dollars, but ...

Precision instruments often contain specialized components that are essential to their function, but nearly impossible to replace if they fail. [Andre] had just such a problem with an optical ...

Article Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to ...

The L.S. Starrett Company has recently expanded the Horizontal X-Axis Travel on its HB400 Benchtop Optical Comparator from 12" to 16" (300mm to 400mm), providing users the versatility to measure ...

The L.S. Starrett Co. has expanded the horizontal X-axis travel on its HB400 benchtop optical comparator from 12" to 16" (300mm to 400mm), providing users the versatility to measure larger parts on ...