The latest production line of one of China’s largest steel manufacturers is equipped with an innovative optical flatness measurement system, which was developed in Austria. The confirmed comprises a ...

Two questions asked in this paper were: is the measurement by 4D InSpec equivalent on the original surface in respect to a replica, that is, how similar are the results? And: under what circumstances ...

The complexities of nanoscale surface measurement are anything but nano-sized. With the advancement of nanotechnology, nanoscale surface measurement is an integral part of the development of this ever ...

MÖLLER-WEDEL OPTICAL GmbH has developed a simple-to-use workshop interferometer for testing flat objects. The new Fizeau-type INTERFEROMETER VI direct 50 PUL is able to measure the surface flatness of ...

A research team led by Professor WANG Jian, the deputy chief designer of the Wide Field Survey Telescope（WFST）and a faculty member of the State Key Laboratory of Nuclear Detection and Nuclear ...

The flatness and levelness of concrete floors has become a big deal. If you've ever sat at a restaurant table that rocked up and down, slopping wine out of your glass and causing you to launch a ...

Two parallel optical surfaces often exhibit colorful fringes along the lines of equal thickness because of the interference of light. This simple phenomenon allows one to observe subwavelength ...

Contractors need to be cognizant of certain situations that make it difficult to achieve routine FF and FL requirements and know how to get those specifications changed to more reasonable requirements ...