Image Quality, Space Qualified Interference Filters 

Barr Associates, Inc.  

Westford, MA 
 

New materials and deposition methods for UV filter fabrication that yield filters with greater stability and durability

• Multilayer filters were fabricated using new materials and deposition methods
• Testing demonstrated significant improvements in performance under varying environmental conditions
• Extensive body of test material produced will act as reference guide for future filter development

• Technology has found application in fiber optic communications and filters for miniature (portable) color analysis equipment
• Sales of filters for portable equipment and other applications are over $1M and increasing
 

• Received over $1.5 million in NASA contracts for UV and visible filters for space applications including cameras on Cassini, MODIS, MISR, Deep Impact, etc.
• Barr filters have been the baseline for NASA science missions

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