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This ZnS anti-reflection coating exhibits excellent transmittance properties in the 2.5 to 14.0 µm spectral region.
SPECTRAL PERFORMANCE
The following specifications assume a 0.040” ZnS plano-plano sample coated on both
sides.
Spectral Region: 2.5 µm to 14.0 µm
Minimum Performance:
Taverage >= 93% (through both surfaces)
Typical Performance:
Taverage >= 94% (through both surfaces)
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ENVIRONMENTAL DURABILITY
This coating is produced to meet the following test criteria:
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Test
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Method
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Adhesion
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Cellulose Tape Test
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Abrasion
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Cheesecloth Test
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Humidity
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24 hrs at 120F, 95-100% R.H.
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CERTIFICATION AND QUALITY
This coating meets the following quality requirements where applicable:
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MIL-C-675
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MIL-M-13508
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MIL-F-48616
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MIL-C-48497
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