Pyroelectric detector array with optical filter elements
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United States of America Patent
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Mar 5, 1996
Grant Date -
N/A
app pub date -
Feb 15, 1995
filing date -
Feb 15, 1995
priority date (Note) -
Expired
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Abstract
The apparatus is a pyroelectric detector array with an optical filter. A plurality of pyroelectric detector elements are arranged on a common substrate and an optical filter is placed immediately adjacent to the pyroelectric detector elements. The optical filter includes a plurality of filter elements, each with a preselected optical passband. The optical filter is arranged so that radiation incident on a pyroelectric detector element passes through a respective unique filter element.
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