Lighting effects and lasers help bring the entertainment industry to life. High quality optical prisms are one of the key components to this. Knight Optical’s prisms are available in a wide range of ...

A U.S. patent has been granted to Advanced PrecisionTechnologies for a miniature fingerprint sensor using atrapezoidal prism and a holographic optical element. "Basically what we've come up with is 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 ...