博文

目前显示的是 十一月, 2021的博文

Why Does Optical Glass Have a High Degree of Transparency?

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As an   Optical Domes Supplier , share it with you. Optical glass has a high degree of transparency, a high degree of chemical and physical (structure and performance) uniformity, and has specific and precise optical constants. Glass Optical Domes The image brightness of the optical system is proportional to the transparency of the glass. The transparency of optical glass to light of a certain wavelength is expressed by the light absorption coefficient Kλ. After the light passes through a series of prisms and lenses, part of its energy is lost by the interface reflection of the optical parts and the other part is absorbed by the medium (glass) itself. The former increases with the increase of the refractive index of the glass. For high-refractive-index glass, this value is very large. For example, the light reflection loss of one surface of counterweight flint glass is about 6%. Therefore, for an optical system containing multiple thin lenses, the main way to increase the transmittance

Optical Design of Laser Gyroscope

The laser gyroscope is a guidance instrument that determines the physical orientation. It is widely used in modern aviation, navigation, aerospace and defense industries. It uses a laser as an azimuth direction finder to measure the rotational angular velocity (Sagnac effect) with the optical path difference. The laser gyroscope is actually an optical oscillator. In the closed optical path, two beams of light emitted by the same light source interfere. By detecting the phase difference or the change of interference fringes, the rotational angular velocity of the closed optical path can be measured. The basic element of the laser gyroscope is a ring laser, which is composed of a closed optical path made of quartz. It contains mixed gas (helium-neon gas), two  optical mirrors  with coating and a semi-transparent mirror. Excite the mixed gas with a power source to generate a monochromatic laser. A semi-transparent mirror is used to lead the laser out of the loop. The two oppositely transm

How to Maintain the Laser Lenses?

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  Laser lenses play an important role in laser systems, where the laser light path is changed by the refraction of the lenses. As a   optical lenses supplier , I will introduce to you the maintenance of the laser lenses.   Different laser technologies use lasers with different optical designs. Commonly used optical components in laser technology include biconvex lenses, plano-convex lenses, laser protection windows, 1064nm laser grade lenses, 1064nm laser grade narrow band filters, laser grade mirrors, prisms, etc.   Silica Laser Lenses 1. Focusing lens is fragile, so it should be careful not to use too much force when disassembling and assembling, and not to collide with hard objects. The laser lens surface has a permeable film, so it is required to provide dry, de-oiled air in the work, please use the recommended cleaning equipment and cleaning methods when cleaning.   2. Laser equipment must be guaranteed to have sufficient air pressure when working. Before work, you can put your fi