High-precision secondary off-axis ellipsoidal reflector optical axis leading-out method and optical system thereof
A technology of ellipsoidal reflector and ellipsoidal mirror, which is applied in optics, optical components, optical devices, etc., can solve the problems of limited precision of optical axis extraction, and achieve the effects of simple and convenient extraction, shortening the time of assembly and adjustment, and low cost
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[0041] The present invention will be described in detail below with reference to the drawings and specific embodiments.
[0042] In the high-precision secondary off-axis ellipsoidal mirror optical axis optical extraction method and its optical system of the present invention, the off-axis ellipsoidal mirror is placed in front of the optical interferometer that emits spherical waves, and placed at a short focal position from the apex of the axial ellipsoidal mirror A standard spherical mirror with a small diameter, adjusts the three to be coaxial according to the Seidel coefficient to reflect the light reflected by the off-axis ellipsoidal mirror back to the interferometer. The two optical focal points of the off-axis ellipsoidal mirror are found through the small hole target, and then the parallel light of the interferometer is passed through the two small hole targets at the same time to obtain the optical axis of the off-axis ellipsoidal mirror. Then aim the parallel beam of th...
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