Introduction to Optical Filters
An optical filter selectively transmits one portion of the optical spectrum, while rejecting other portions. Commonly used in microscopy, spectroscopy, chemical analysis, and machine vision, Edmund Optics’ optical filters are available in a variety of filter types and precision levels. This application note provides a description of the different technologies used to create EO filters, definitions of some key specifications, and a description of the various types of filters available from Edmund Optics.
Key Optical Filter Terminology
While filters share many of the same specifications with other optical components, there are a number of specifications unique to filters that should be understood in order to effectively understand and determine which filter is best for your application.
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