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CIOE 2021 (China International Optoelectronic Exposition)
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Welcome to visit us at 2D170
LASER World Of Photonics CHINA-2021
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SPIE.Photonics West -2020
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Welcome to visit us at North Hall #4882
LASER World Of PHOTONICS-2019
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LASER World Of PHOTONICS-2019
Types and applications of Cylindrical Lens
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Cylindrical Lens is a piece of glass or other transparent material cut at a precise angle and plane in an optical device, which can be used to analyze and reflect light.
Why does Cylindrical Lens need to be vacuumed when coating
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First, qualitatively explain why the evaporation space needs to be vacuumed when performing Cylindrical Lens evaporation coating.
What is Cylindrical Lens
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Cylindrical Lens is generally a lens used to focus incident light on a line or to change the aspect ratio of the image. It is usually formed into a linear image, and the direction of the beam can be controlled.
What are the main materials of Dispersing prism
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The main materials of Dispersing prism are BAK4 and BK7 prism materials. The refractive index of these two kinds of glass is different. The refractive index of BAK4 is high. For Paul prism made of BAK4, 100% of the incident light can be totally reflected without considering the absorption, while BK7 can only reflect about 83% of the incident light. So BAK4 has high light efficiency, but its price is also very high.
Approximation and Application of Penta prism
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Penta prism uses the reflection of two surfaces to deflect the beam by 90° while maintaining the parity of the image. The deviation of the beam does not change the slight rotation of the prism, so it is useful for applications that require strict alignment.
The working principle of right angle prism
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Right angle prism is usually used to deflect the light path or deflect the image formed by the optical system by 90°. Depending on the orientation of the prism, the imaging can be left and right, but upside down and left and right are not aligned. Right angle prism can also be used for combined imaging, beam shifting and other applications.