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For a quote on your custom requirements please send us your drawing or specification.
2λ N-BK7 Optical Windows
CLZ Optical Co., Ltd. offers 1λ H-K9L Precision Optical Windows, designed for industrial laser protection, optical instrumentation, and low-power laser transmission. Fabricated from high-quality H-K9L optical glass (equivalent to N-BK7), this series delivers stable surface figure control with cost-effective processing, effectively minimizing beam scattering and energy loss.
Custom broadband AR coatings are available for the visible (400–700nm) and near-infrared (700–1100nm) ranges, tailored to specific laser wavelengths for maximum transmission.
Please contact us for discount pricing for stock parts over 10+ and volume/OEM quantities
| Type No. | PDF Drawings | Materials | Diameter (mm) | Thickness (mm) | Coating | Flatness (P-V) | Unit Price (USD) | |
|---|---|---|---|---|---|---|---|---|
| WKC-0750080-U | PDF > | BK7 or equivalent | 75.00 | 8.00 | Uncoated | 2λ | - | |
| WKC-0650080-U | PDF > | BK7 or equivalent | 65.00 | 8.00 | Uncoated | 2λ | - | |
| WKC-0500060-U | PDF > | BK7 or equivalent | 50.00 | 6.00 | Uncoated | 2λ | - | |
| WKC-0500040-U | PDF > | BK7 or equivalent | 50.00 | 4.00 | Uncoated | 2λ | - | |
| WKC-0400060-U | PDF > | BK7 or equivalent | 40.00 | 6.00 | Uncoated | 2λ | - | |
| WKC-0400040-U | PDF > | BK7 or equivalent | 40.00 | 4.00 | Uncoated | 2λ | - | |
| WKC-0300040-U | PDF > | BK7 or equivalent | 30.00 | 4.00 | Uncoated | 2λ | - | |
| WKC-0254040-U | PDF > | BK7 or equivalent | 25.40 | 4.00 | Uncoated | 2λ | - | |
| WKC-0254020-U | PDF > | BK7 or equivalent | 25.40 | 2.00 | Uncoated | 2λ | - | |
| WKC-0250040-U | PDF > | BK7 or equivalent | 25.00 | 4.00 | Uncoated | 2λ | - | |
| WKC-0250020-U | PDF > | BK7 or equivalent | 25.00 | 2.00 | Uncoated | 2λ | - | |
| WKC-0200020-U | PDF > | BK7 or equivalent | 20.00 | 2.00 | Uncoated | 2λ | - | |
| WKC-0200015-U | PDF > | BK7 or equivalent | 20.00 | 1.50 | Uncoated | 2λ | - | |
| WKC-0150020-U | PDF > | BK7 or equivalent | 15.00 | 2.00 | Uncoated | 2λ | - | |
| WKC-0150015-U | PDF > | BK7 or equivalent | 15.00 | 1.50 | Uncoated | 2λ | - | |
| WKC-0150010-U | PDF > | BK7 or equivalent | 15.00 | 1.00 | Uncoated | 2λ | $44.00 | |
| WKC-0127020-U | PDF > | BK7 or equivalent | 12.70 | 2.00 | Uncoated | 2λ | $42.00 | |
| WKC-0127015-U | PDF > | BK7 or equivalent | 12.70 | 1.50 | Uncoated | 2λ | $42.00 | |
| WKC-0127010-U | PDF > | BK7 or equivalent | 12.70 | 1.00 | Uncoated | 2λ | $42.00 | |
| WKC-0125020-U | PDF > | BK7 or equivalent | 12.50 | 2.00 | Uncoated | 2λ | $42.00 | |
| WKC-0125015-U | PDF > | BK7 or equivalent | 12.50 | 1.50 | Uncoated | 2λ | $42.00 | |
| WKC-0125010-U | PDF > | BK7 or equivalent | 12.50 | 1.00 | Uncoated | 2λ | $42.00 | |
| WKC-0100020-U | PDF > | BK7 or equivalent | 10.00 | 2.00 | Uncoated | 2λ | $42.00 | |
| WKC-0100015-U | PDF > | BK7 or equivalent | 10.00 | 1.50 | Uncoated | 2λ | $42.00 | |
| WKC-0100010-U | PDF > | BK7 or equivalent | 10.00 | 1.00 | Uncoated | 2λ | $42.00 | |
| WKC-0090020-U | PDF > | BK7 or equivalent | 9.00 | 2.00 | Uncoated | 2λ | $42.00 | |
| WKC-0090015-U | PDF > | BK7 or equivalent | 9.00 | 1.50 | Uncoated | 2λ | $42.00 | |
| WKC-0090010-U | PDF > | BK7 or equivalent | 9.00 | 1.00 | Uncoated | 2λ | $42.00 |
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