Product Announcements:
Optical Windows

High-durability sapphire optical windows with excellent transmission, high surface quality, and strong environmental resistance for laser, infrared, and precision optical systems. Read more...

BK7 and K9 are two common optical glass materials, widely used in lenses, prisms, windows and other optical components. Yutai Optics chooses K9 as an alternative material to BK7. Read more...

Single Crystal Sapphire's optical, electrical, chemical resistance, high thermal conductivity, and mechanical properties make it a superior choice over quartz, alumina and other ceramic materials for hundreds of applications ranging from optical sapphire windows for aerospace sensor systems. Read more...

Steps increase mechanical strength and reduce the risk of window deformation in high pressure or vibration environments. Suitable for high mechanical stress scenarios such as aerospace and on-board optical systems. Read more...

Avantier’s BK7 windows are ideally suited for rigorous optical applications, attainable with laser-grade precision. BK7 glass boasts a density of 2.51 g/cm³ and a Knoop hardness rating of 610. Its coefficient of thermal expansion measures approximately 7.1 x 10^-6 K in the range from -30 °C to +70 °C, and about 8.3 x 10^-6/K from +20 °C to +300 °C. Read more...

Avantier Inc. offers varied sizes and custom options. Sizes 2-100 mm, ideal for thermal imaging and IR lasers. Coatings: 2-14 µm or 8-12 µm (BBAR or DLC/BBAR) for app-specific needs. Precise flatness (1/2 Lambda) and <3 arc min parallelism ensure optimal optics. Superior surface (20-10) and >47.5% @ 3.7-4.8 µm transmission enhance thermal imaging performance. Read more...