| Usage: | Medical, Optical, Photography |
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| Type: | Flat Lens |
| Transmittance: | >95% |
| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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The nd data of H-K9L is 1.5168,vd data is 64.20. H-K9L is the alternative for N-BK7.H-K9L(N-BK7) is a RoHS-compliant borosilicate crown glass. It provides excellent transmission in the visible and near infrared portions of the spectrum(350 nm - 2.0 µm). It is typically chosen whenever the additional benefits of UV fused silica. H-K9L(N-BK7) is probably the most common optical glass used in high-quality optical components. H-K9L(N-BK7) is a hard glass that can withstand a variety of physical and chemical stressors. It is relatively scratch and chemical resistant. It also has a low bubble and inclusion content, making it a useful glass for precision lenses.All of these H-K9L(N-BK7) high precision windows can be uncoated or with broadband AR coatings: 350 - 700 nm (VIS wavelength), 650 - 1050 nm , or 1050 - 1700 nm.
UVFS has excellent optical qualities. Product characteristics include extraordinarily low refractive index variations leading to state-of-the-art homogeneity values, low birefringence values, large size capabilities, exceptional transmittance from the deep ultraviolet through the infrared region, and an ultra-low thermal expansion coefficient; all of which are critical to our customers'demanding needs.
| Material | Optical glass |
| Dimension | as request |
| Thickness | as request |
| Tolerance | +-0.1mm |
| Coating | uncoating or as request |
| Surface quality | 60/40 |
| Flatness | L/4 |
| Bevel | Normal |
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Factory information
Changchun Yutai Optics Co.,Ltd. is a manufacturer with ISO9001 certification. We are specialized in high-performance optical components include lens, mirrors, filters, windows and prisms which are specified by customers. YutaI's items are widely used in imaging, defense, medical, laser and industry market.
As a fast-growing supplier in optics, Yutai Optics has quickly established itself as a leader in optical components with advanced technology and quality control ability as Yutai aims to provide professional service and good quality items to meet customers' request. Yutai has already established long-term cooperative relation with many powerful companies all over the world.
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