Z-Optics manufactures K9 glass windows featuring high-transmittance, plane-parallel glass designed to shield sensitive electronics and sensors without altering system magnification. Engineered for demanding medical, defense, and industrial applications, these precision windows deliver superior transmitted wavefront performance.
We offer custom dimensions alongside specialized AR and scratch-resistant coatings to ensure peak durability and transmission for your specific optical setup.
| φ (mm) | T (mm) | No Coating | AR@350~700nm | AR@600~1100nm | AR@900~1700nm |
| Part No | Part No | Part No | Part No | ||
| 5.0 | 2 | WIN0050-020-30 | WIN0050-020-30-VIS | WIN0050-020-30-NIR | WIN0050-020-30-SWIR |
| 10.0 | 2 | WIN0100-020-30 | WIN0100-020-30-VIS | WIN0100-020-30-NIR | WIN0100-020-30-SWIR |
| 12.5 | 2 | WIN0125-020-30 | WIN0125-020-30-VIS | WIN0125-020-30-NIR | WIN0125-020-30-SWIR |
| 12.7 | 2 | WIN0127-020-30 | WIN0127-020-30-VIS | WIN0127-020-30-NIR | WIN0127-020-30-SWIR |
| 20.0 | 2 | WIN0200-020-30 | WIN0200-020-30-VIS | WIN0200-020-30-NIR | WIN0200-020-30-SWIR |
| 25.0 | 4 | WIN0250-040-30 | WIN0250-040-30-VIS | WIN0250-040-30-NIR | WIN0250-040-30-SWIR |
| 25.4 | 4 | WIN0254-040-30 | WIN0254-040-30-VIS | WIN0254-040-30-NIR | WIN0254-040-30-SWIR |
| 30.0 | 4 | WIN0300-040-30 | WIN0300-040-30-VIS | WIN0300-040-30-NIR | WIN0300-040-30-SWIR |
| 38.1 | 4 | WIN0381-040-30 | WIN0381-040-30-VIS | WIN0381-040-30-NIR | WIN0381-040-30-SWIR |
| 50.0 | 4 | WIN0500-040-30 | WIN0500-040-30-VIS | WIN0500-040-30-NIR | WIN0500-040-30-SWIR |
| 50.8 | 4 | WIN0508-040-30 | WIN0508-040-30-VIS | WIN0508-040-30-NIR | WIN0508-040-30-SWIR |
| φ (mm) | T (mm) | No Coating | AR@350~700nm | AR@600~1100nm | AR@900~1700nm |
| Part No | Part No | Part No | Part No | ||
| 5.0 | 2 | WIN0050-020-05 | WIN0050-020-05-VIS | WIN0050-020-05-NIR | WIN0050-020-05-SWIR |
| 10.0 | 2 | WIN0100-020-05 | WIN0100-020-05-VIS | WIN0100-020-05-NIR | WIN0100-020-05-SWIR |
| 12.5 | 3 | WIN0125-030-05 | WIN0125-030-05-VIS | WIN0125-030-05-NIR | WIN0125-030-05-SWIR |
| 12.7 | 3 | WIN0127-030-05 | WIN0127-030-05-VIS | WIN0127-030-05-NIR | WIN0127-030-05-SWIR |
| 20.0 | 4 | WIN0200-040-05 | WIN0200-040-05-VIS | WIN0200-040-05-NIR | WIN0200-040-05-SWIR |
| 25.0 | 6 | WIN0250-060-05 | WIN0250-060-05-VIS | WIN0250-060-05-NIR | WIN0250-060-05-SWIR |
| 25.4 | 6 | WIN0254-060-05 | WIN0254-060-05-VIS | WIN0254-060-05-NIR | WIN0254-060-05-SWIR |
| 30.0 | 6 | WIN0300-060-05 | WIN0300-060-05-VIS | WIN0300-060-05-NIR | WIN0300-060-05-SWIR |
| 38.1 | 10 | WIN0381-100-05 | WIN0381-100-05-VIS | WIN0381-100-05-NIR | WIN0381-100-05-SWIR |
| 50.0 | 10 | WIN0500-100-05 | WIN0500-100-05-VIS | WIN0500-100-05-NIR | WIN0500-100-05-SWIR |
| 50.8 | 10 | WIN0508-100-05 | WIN0508-100-05-VIS | WIN0508-100-05-NIR | WIN0508-100-05-SWIR |
| K9 Windows Standard Precision | K9 Windows High Precision |
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