Definition of spatial filter

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Excelitas Technologies Corp. - X-Cite Vitae LB 11/24

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.

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Spatial Filters

Lambda Research Optics, Inc. - Large Optics

Ohara Corp. - Optical Glass, Polish substrates 10-23

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