Edmund Optics (Barrington, NJ) has expanded its range of products to include various optical components designed for the ultraviolet (UV) portion of the spectrum. Products in this expansion include ...

THIS useful book on geometrical optics has been enlarged and improved by the addition of two new chapters. One of these deals with the microscope considered as being more or less typical of optical ...

A prism has a constant cross-section throughout its length. When the cross-section is a triangle, the prism is called a triangular prism. When the cross-section is a hexagon, the prism is called a ...

THE revised edition of Prof. SouthalPs text-book of geometrical optics, in addition to a number of new problems scattered throughout the book, contains an important new chapter at the end of the ...