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 |
| WQF7500 | 75 | 3 | Uncoated | Quartz (JGS3) |
US$170.69
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| WQF5000 | 50 | 3 | Uncoated | Quartz (JGS3) |
US$119.82
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| WQF4000 | 40 | 2 | Uncoated | Quartz (JGS3) |
US$85.62
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| WQF3500 | 35 | 2 | Uncoated | Quartz (JGS3) |
US$65.61
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| WQF2500 | 25 | 2 | Uncoated | Quartz (JGS3) |
US$57.69
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| WQF1500 | 15 | 1 | Uncoated | Quartz (JGS3) |
US$43.79
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| WNA5005 | Standard | 50 | 5 | Uncoated | Sodium Chloride |
US$264.66
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| WNA4000 | Standard | 40 | 5 | Uncoated | Sodium Chloride |
US$173.89
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| WNA3005 | Standard | 30 | 5 | Uncoated | Sodium Chloride |
US$119.82
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| WNA2505 | Standard | 25 | 5 | Uncoated | Sodium Chloride |
US$94.52
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