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1. Basic Overview of Optical Windows An optical window is an optical element used to transmit optical signals between the external environment and internal equipment.

Spherical Aberration Phenomenon in Monochromatic Aberration When a beam of light parallel to the optical axis is incident on a thin lens, under the paraxial

This article introduces the wavelength ranges of near infrared, mid infrared, and far infrared. Various domestic and foreign institutions have given a variety of slightly

A straight line light spot refers to a straight line light spot generated by laser passing through different optical elements. It is often widely used

Chalcogenide spheres are spherical optical elements made of chalcogenide glass. Chalcogenide glass is an oxygen-free glass mainly composed of sulfur, selenium, tellurium and other elements.

Both spherical reflectors and parabolic reflectors are optical elements that use the principle of reflection to change the direction of light propagation. The following is

A mirror with a parabolic reflective surface.If a “point light source” is placed at its focus, the light will be reflected by the mirror and

Dichroic mirrors, also known as two-color mirrors, play an important and irreplaceable role in the field of laser technology. The technology can be traced back

Comprehensive ophthalmometer is an indispensable device in modern optometry examination. Its core function relies on the combination and coordinated work of multiple optical lenses. These