The perturbation theory of matrices is applied to ray transfer matrices (RTMs) to describe an optical component with abe......

A scanning Hartmann test method is proposed and its measurement principle is described. The scanning Hartmann test setup......

The infrared emissivity of low emissivity coating can be significantly reduced by adding high content concentrations of ......

The optical probe in tonometers is a key component in measuring the flattened diameter or area of the ocular cornea. A n......

A novel hollow-core tapered coupler has been theoretically designed and fabricated by fiber drawing machine. The coupler......

The deviation caused by acousto-optic tunable filter (AOTF) diffraction in multispectral imaging is analyzed through der......