Search
Menu
Photonics Dictionary

spatial filter

1. Generally, an emulsion mask having a clean annular region in an otherwise opaque region. It is designed to eliminate undesired information. 2. A pinhole in a metal plate, placed at a focal plane in a laser beam expander to deflect unwanted radiation.
Products & Suppliers
Related Categories

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.