Method for manufacturing ultra-stable ultra-high-fineness micro-optical cavity
A production method and fineness technology, which is applied in the field of micro-optical cavity, can solve the problems of low fineness of micro-optical cavity and cannot meet the measurement requirements, and achieve the effect of reducing interference
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[0027] A method for manufacturing an ultra-stable ultra-high-precision micro-optical cavity includes the following steps:
[0028] (1) Use a biological microscope to select two pieces of the first lens 7, the second lens 8, and the first lens 7, the second lens 8 with intact film, no stains, no scratches, no pits, and reflectance greater than 99.999%. The end of the reflecting surface is tapered; the dust on the surface of the first lens 7 and the second lens 8 is removed;
[0029] (2) Construct an air purification device for making a micro-optical cavity. The air purification device includes an air pump 1, a first sealed jar 2, a second sealed jar 3, and a third sealed jar in sequence 4; The first sealed jar 2 and the second sealed jar 3 are filled with water, and the third sealed jar is filled with desiccant 5; the third sealed jar 4 is connected to the closed operating space 6 and is airtight The operation space 6 has an air outlet;
[0030] (3) In a closed operating space 6, us...
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