H-K9L (N-BK7) Window

H-K9L (N-BK7) Window

Processing Capacity

Capable to realize the complete processes in optical design, instrument design, component high-precision molding,

planar processing, spherical processing, aspheric processing, coating, etc.

Applications

Photoelectric information; aerospace; new energy; nuclear power and nuclear energy equipment and other fields.

Performance
● Both sides of the window are precisely polished. It is the same product as the optical plate with λ/20 surface

   accuracy and 5 seconds of parallelism.

● Window category includes H-K9L(N-BK7), artificial fused quartz or H-K9L(N-BK7) with antireflection film. H-K9L

   (N-BK7) is used for VIS and NIR. Quartz window is used not only for UV light, but also as a heat insulation window

   in an environment up to 800℃. The transmittance of the H-K9L (N-BK7) window without coating is 92%, and that

   of the window with anti-reflection coating is up to 99%.

● We took into account the transmittance, uniformity, subsurface defects, surface accuracy and parallelism of the

   materials in the manufacture of windows and optical plates; high transmittance, wavelet surface difference and

   low dispersion are achieved in the process of grinding.

Features

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