Optical Material

N-BK7 is a versatile optical glass known for its excellent clarity, with a refractive index of around 1.5168 and broad transmission range from 350 nm to 2000 nm. It is widely used in precision optical components such as lenses, prisms, and windows due to its low dispersion, high transmission, and durability. Its favorable optical and mechanical properties make it a preferred choice in scientific instruments and imaging systems.

Fused silica are highly valued for their broad optical transmission from UV to near-infrared (200 nm to 2000 nm), exceptional thermal stability, and chemical resistance. They are ideal for applications requiring high precision and durability, such as in high-power lasers, spectroscopy, and extreme environmental conditions due to their low thermal expansion and resistance to thermal shock.

ZERODUR® is a glass-ceramic material renowned for its exceptional thermal stability and low thermal expansion, making it ideal for precision optical components and mirrors in telescopes and laser systems. Its stability ensures minimal distortion and high accuracy in high-precision applications, such as astronomy and metrology.

Silicon is a fundamental material in the electronics industry, primarily used in the production of semiconductors. Its unique properties, such as a semiconductor behavior that can be modified by doping with other elements, enable the fabrication of integrated circuits and transistors essential for computers, smartphones, and various digital devices. Additionally, silicon is used in solar cells to convert sunlight into electricity, making it crucial for renewable energy technologies.

Zinc sulfide (ZnS) is widely used in the production of phosphors, particularly in display technologies such as cathode ray tubes and LED lighting, where it emits light when excited by electrons. It also serves as a key component in optical coatings and in the fabrication of infrared optics due to its transparency in the infrared range. Additionally, ZnS is employed in scintillation detectors for radiation detection and in the manufacturing of luminescent materials for various applications.

Calcium difluoride is used primarily as a flux in metallurgy to lower the melting points of metal ores and facilitate their processing. It is also utilized in the production of certain optical components and specialty glasses due to its unique optical properties.

Barium fluoride is commonly used in optical applications for its excellent transparency in both ultraviolet and infrared regions, making it suitable for lenses and windows in various spectroscopy instruments. It is also employed in high-energy physics experiments and as a flux in metallurgical processes to improve the properties of alloys and ceramics.

Magnesium fluoride is primarily utilized in optics for its low refractive index and high transparency in both ultraviolet and infrared wavelengths, making it ideal for lenses and optical coatings. Additionally, it is employed in ceramics to enhance thermal and chemical resistance, contributing to the durability and performance of advanced materials.

Zinc selenide (ZnSe) is an important semiconductor material used in optoelectronic applications, particularly in infrared optics and laser technology. Its excellent infrared transparency and efficient light-emitting properties make it ideal for laser diodes, optical coatings, and infrared lenses. ZnSe is also employed in highperformance windows and prisms for laser systems, facilitating advancements in telecommunications, medical imaging, and sensing technologies.