Photonics Dictionary

precision aperture

An accurately produced hole of any size and shape that is used as a masking device in an optical system. Pinhole apertures of accurate diameters often are produced by laser beam penetration or by driving a needle through thin metal. These apertures may be physical holes in solid material or holes formed by opaque material deposited on a transparent substrate.
We use cookies to improve user experience and analyze our website traffic as stated in our Privacy Policy. By using this website, you agree to the use of cookies unless you have disabled them.