Full company details
Andover Corporation
4 Commercial Dr.
Salem, NH 03079-2800
United States
Phone: +1 603-893-6888
Fax: +1 603-893-6508
Toll-free: +1 888-893-9992
Steep-Edge Longpass Filters
Photonics Spectra
Mar 2018Steep-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.
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