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N-BK7 Windows
BK7 is a borosilicate glass material with good transparency and refractive index, making it a quality choice for optical windows, substrate materials, or wafers. Its benefits include properties such as low dispersion, high optical uniformity, and low absorption. It is primarily used in the visible and near-infrared spectra for industrial, medical, and high-precision, low-power laser applications with AR coatings to enhance transmittance.
CLZ Optical Co., Ltd. offers a comprehensive stock of high-quality BK7 optical windows, available in a wide range of sizes, thicknesses, and coatings to meet the diverse needs of optical systems and instrumentation. BK7 is a popular, high-performance borosilicate crown glass known for its excellent optical clarity, high transmission in the visible and near-infrared (NIR) ranges, and reliable mechanical strength. It is an ideal choice for applications requiring durable, cost-effective windows with superb optical performance.
Our extensive BK7 Windows Stock ensures quick availability for both standard and urgent orders, helping customers reduce lead times and avoid production delays. These windows are widely used in scientific research, imaging systems, laser devices, medical instrumentation, and industrial applications. In addition to our ready-to-ship stock, we also provide custom sizing, edge treatments, and optional anti-reflective or protective coatings to match specific project requirements. With over a decade of experience in precision optics manufacturing, CLZ Optical Co., Ltd. delivers dependable optical solutions backed by professional service and technical support.
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Please contact us for discount pricing for stock parts over 10+ and volume/OEM quantities
| Type No. | Data sheet | Materials | Diameter (mm) | Thickness (mm) | Coating | Flatness (P-V) | |
|---|---|---|---|---|---|---|---|
| l-65651554 | - | BK7 or equivalent | 30 | 5 | Uncoated | 2λ | |
| l-556565623 | - | UV Fused Silica | 20 | 2 | Uncoated | 2λ | |
| L-xxx56565 | - | BK7 or equivalent | 20x25 | 5 | MgF2 AT 550nm | 2λ |
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