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The bandpass filter is prepared by depositing multilayer optical materials on the substrate surface. In general, multiple media membrane stacks are separated by a compartment.

Laser protective lens, also known as laser window lens and optical window lens, is an optical plane lens that protects electronic components, sensors and semiconductor

The spectroscope is a special optical processing substrate, which is coated with high-precision optical medium to ensure no ghosting, high smoothness, imaging without black spots,

Color filter concept The filter working in the visible light region in the spectral range is called color glass filter. It can reflect or transmit

In the optical lens of optical elements, every point on the object plane in the effective field of view will form a clear image point

When manufacturing filters, we not only use conventional physical vapor deposition (PVD) multilayer coating, but also combine precise packaging technology to ensure environmental stability, and

All optical elements are precise, especially optical filters, which are the core components of all optical application systems. Once problems occur, the whole optical system

The phase-length interference condition of Fabry-Perot cavity can effectively penetrate the light in a small range on both sides of the central wavelength and the

The optical coating is composed of thin film layers, which will produce interference effect to change the transmission or reflection performance of the optical system.

In daily life, handicrafts and products can be seen everywhere with unique appearance and patterns. Materials include steel, wood, plastic, glass, etc. These pleasing products