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This ZnS anti-reflection coating exhibits excellent transmittance properties in the 8.0 to 12.0 µm spectral region.
SPECTRAL PERFORMANCE
The following specifications assume a 0.040” ZnS plano-plano sample coated on both
sides.
Spectral Region: 8.0 µm to 12.0 µm
Minimum Performance:
Taverage >= 96% (through both surfaces)
Raverage <= 0.5% per surface
Typical Performance:
Taverage >= 97% (through both surfaces)
Raverage <= 0.4% per surface
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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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