Custom K9 Glass Plates & Discs

As a critical component of optical systems, the quality and performance of light filters exert a significant influence on the imaging efficacy of optical instruments. During the manufacturing process of a light filter, it is of the utmost importance to select an appropriate substrate. Consequently, K9 glass plates & discs, with its distinctive characteristics and application advantages, becomes a prevalent substrate for light filters possesses. This paper will present a comprehensive investigation of the material properties and applications of K9 glass from the perspective of light filter production.

1. Material properties of K9 glass and light filter fabrication

K9 glass is classified as high-quality optical glass, primarily composed of silicon, potassium, sodium, and other elements, with a chemical composition including SiO2 (69.13%), B2O3 (10.75%), BaO (3.07%), Na2O (10.40%), K2O (6.29%), along with trace amounts of As2O3 (0.36%). It exhibits attributes such as high transmittance, low dispersion, and elevated refractive index—qualities that enable K9 glass to deliver clear and distortion-free images in light filter fabrication while ensuring robust optical stability. Consequently, K9 glass holds irreplaceable advantages in producing high-end filters utilized in high-precision optical instruments, medical devices, and various other fields.

2. Manufacturing processof K9 glass and light filter fabrication

The manufacturing process of K9 glass is relatively complex, necessitating precise control over the composition of raw materials and melting temperatures to ensure optimal optical properties. This intricate manufacturing procedure results in a relatively high cost for K9 glass, but  it simultaneously confers K9 glass superior optical characteristics and a broad spectrum of applications. In filter production, the manufacturing process guarantees both high precision and stability, thereby meeting the stringent requirements of high-end optical instruments. Additionally, price considerations play a crucial role when selecting filter substrates.

3. Application fields ofK9 glass and light filter fabrication

Due to its high transmittance, low dispersion, and exceptional optical properties, K9 glass has found extensive application in the fabrication of optical filters. Particularly in scenarios demanding high precision and stability, such as light filters for advanced optical instruments and medical devices, K9 glass demonstrates irreplaceable advantages. Furthermore, it is also used in the production of filters for laser equipment and various optical components, highlighting its expansive application potential.

In summary, K9 glass possesses distinct characteristics that render it particularly suitable for high-end light filter production due to its remarkable transmittance, low dispersion, and superior optical performance. In selecting a light filter substrate, it is imperative to conduct a thorough assessment of the specific application contexts and requirements to guarantee that the quality and performance are commensurate with the practical necessities. The increasing advancement of optical technology will lead to an expansion in the application of K9 glass in the production of light filters.

Main characteristics

1. With excellent optical properties, K9 glass is widely used in optical coating and other fields.Its optical constants refers to refractive index =1.51630, dispersion =0.00806, abbe number =64.06.
2. The density of K9 glass is 2.5 ~ 2.6g/cm³, and the weight is moderate. The hardness is 5.5 Mohs, resistant to a certain degree of scratch and wear.These physical properties make it suitable for a wide range of processes, such as cutting, edging, special-shaping, drilling, coating, tempering, frosting, polishing, etc..
3. The melting point is about 700℃, and it has good stability in normal use environments.