Knight Optical provides a range of high quality infrared optical windows specifically suited to infrared wavelengths for a host of IR applications. A range of materials are available for use from 2.6µm to 45µm, however some materials such as Calcium Fluoride work efficiently in deep UV
| Name | Type | Diameter (mm) | Length (mm) | Width (mm) | Thickness (mm) | Coating | Drilled | Material | Price | Buy |
| WQF1503 | 15 | 3 | Uncoated | Quartz (JGS3) |
US$47.26
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| WQF1600 | 16 | 1.5 | Uncoated | Quartz (JGS3) |
US$47.26
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| WHS2501 | 25.4 | 1 | Uncoated | Sapphire (Random Cut) |
US$61.30
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| WHS2502 pdf | 25 | 2 | Uncoated | Sapphire (Random Cut) |
US$67.28
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| WZN7003 | Standard | 70 | 3 | Uncoated | Zinc Selenide |
US$897.94
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| WZN5003 | Standard | 50 | 3 | Uncoated | Zinc Selenide |
US$396.98
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| WZN5000 | Standard | 50 | 3 | AR 10.6 microns | Zinc Selenide |
US$818.85
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| WZN4203 | Standard | 42 | 3 | Uncoated | Zinc Selenide |
US$421.87
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| WZN4124 | Standard | 41 | 23 | 4 | Uncoated | Undrilled | Zinc Selenide |
US$396.98
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| WZN4123 | Standard | 41 | 23 | 4 | Uncoated | Drilled | Zinc Selenide |
US$421.87
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