2026-09-16
The service life bottleneck of optical filters generally lies not in the glass substrate, but in the optical coating. Lifespan is divided into storage life (shelf life) and opera... [ details ]

2026-09-08
An equilateral prism is a dispersive prism with a cross-section of an equilateral triangle, all three vertices are 60 °, two working surfaces are refractive surfaces, and th... [ details ]

2026-08-31
The traditional convex lens retains only the surface curvature that functions as a refractive element, removes the solid material in the middle that does not participate in re... [ details ]

2026-08-17
Core Spectral Transmission / Reflection Parameters Center Wavelength (CWL) For band-pass filters, the center position of the transmission band, measured in nanomete... [ details ]

2026-08-10
The concave grating is a core reflective optical diffraction element that combines spectral dispersion and focusing imaging functions. Unlike traditional planar gratings that ... [ details ]

2026-08-04
Core essence: Both have one-dimensional optical power (focusing/diverging only in one direction) and no refractive power in the other direction; But the surface form, light ... [ details ]

2026-07-16
BK7 Optical Windows panel is the most versatile and cost-effective planar protection window for visible/near-infrared light. Its function is to isolate the internal and ext... [ details ]

2026-07-08
The optical dome is a monolithic light-transmitting shell with concentric inner and outer spherical surfaces and uniform wall thickness, available in two main forms: hem... [ details ]

2026-06-08
Combining the high thermal conductivity, low thermal expansion, mid infrared high reflectivity, high temperature resistance of silicon substrates, as well as the characteri... [ details ]

2026-06-01
A parabolic mirror is a curved mirror formed by rotating a parabola around its axis of symmetry, following the law of light reflection. Its core optical properties stem fr... [ details ]