BK7 Optical Glass Beamsplitters

BK7 Optical Glass Beamsplitters

Supplier
Ytoptics
Category
Ceramic and Glass Components
Origin
China

BK7(K9) is one of the most commonly used optical glasses and is widely used in the manufacture of spectroscopic prisms (PBS/NPBS) due to its excellent cost performance, wide band transmittance and good processability.

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Overview

BK7(K9) is one of the most commonly used optical glasses and is widely used in the manufacture of spectroscopic prisms (PBS/NPBS) due to its excellent cost performance, wide band transmittance and good processability.

Key Features

(1) Wide band applicability: Suitable for visible (VIS) to near infrared (NIR) (350-2000 nm), ideal for most general purpose optical systems. Transmittance >90% in the 400-700 nm (visible) range (up to 99% with permeation enhancement coating). (2) Low dispersion (high Abbe number): Low dispersion, suitable for white light or broadband light source (such as LED, halogen lamps) to reduce the impact of color difference. (3) Low cost, easy processing: Compared with fused silica, CaF₂ and other materials, BK7 is inexpensive and suitable for mass production. It is easy to cut, polish and coat, and has a high processing yield. (4) Mechanical and environmental stability: Resistant to moisture, acid and alkali corrosion, suitable for general laboratory and industrial environments. Lower coefficient of thermal expansion, less influence of temperature change (but still not as good as fused silica).

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Supplier Information

Yt
Ytoptics
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Changchun Yutai Optics Co., Ltd. is a manufacturer with ISO9001 certification. We are specialized in high-performance optical components including 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, aiming to provide professional service and good quality items to meet customers' request. Yutai has already established long-term cooperative relations with many powerful companies all over the world.

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BK7 Optical Glass Beamsplitters
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