DLB
Achromatic doublets are cemented achromats made of two different lenses (Low dispersion positive from crown glass and high dispersion negative from flint [...]
Despite the existence of high precision satellite navigation (GPS) each transport vehicle which relies on navigation must have its own GPS independent navigation [...]
Molecular spectroscopy is one of the most important technologies to identify molecules in science, chemistry, biology and even in security applications. Precision [...]