Steep-Edge Longpass Filters

Andover CorporationRequest Info
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Steep-edge longpass filters from Andover Corp. feature magnetron-sputtered hard oxide coatings.

The devices yield deep rejection to >OD 4 and a sharp transition slope of 1 percent to very high transmission. The coatings are deposited on precision-polished fused silica substrates and do not employ any absorbing filter glass, making them suitable for high-temperature applications.

Published: December 2017
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