Request InfoMaterion Balzers OpticsWESTFORD, Mass., April 18 -- Barr Associates Inc. has introduced an 18-element multipectral filter microarray in which each element is a high-precision thin film filter just 0.032 millimeters wide. The company said its objective in developing filter arrays is to reduce mass, power and volume in multispectral sensors by eliminating a filter wheel. It said the new technology has more spectral bands, which can be accommodated in a smaller volume and are compatible with higher-resolution detector arrays. 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