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Analysis of Liquid Lens Technology
Release time:
2021-08-05
Reflective liquid lens
Before 2000, the cost of astronomical telescopes reached tens of millions of dollars, which was almost impossible for individuals to own and could only be shared. There are many astronomers, and there are few astronomical telescopes. The main reason is the high production and maintenance costs of traditional lens technology.
The lens of traditional telescopes uses polished metal, hard glass, and a large mirror surface. Manufacturing telescopes requires the use of very complex processing techniques and a significant amount of manual labor to achieve the desired surface of the reflector. The work of polishing the mirrors used in telescopes often lasts for several years. The failure of the Hubble Space Telescope has also taught us how fragile glass lenses are.
At the end of the last century, physicist Ude created a liquid mirror to solve this problem: he rotated mercury in a large container to obtain an ideal parabolic surface, which can act as a reflector due to its ability to reflect light well.
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