System and method for adjusting common optical axis of off-axis optical system

An optical system and adjustment system technology, applied in optics, optical components, installation, etc., can solve the problems of low adjustment accuracy and complicated process of the common optical axis, and achieve the effect of convenient adjustment of the common optical axis

Inactive Publication Date: 2014-12-03
XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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Problems solved by technology

[0003] In order to solve the technical problem of low precision and complicated process in realizing the common optical axis adjustment of the off-axis optical system in the prior art, the present invention provides a common

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  • System and method for adjusting common optical axis of off-axis optical system
  • System and method for adjusting common optical axis of off-axis optical system
  • System and method for adjusting common optical axis of off-axis optical system

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Embodiment Construction

[0033] The invention provides an adjustment system for realizing the common optical axis of the off-axis optical system. The adjustment system for realizing the common optical axis of the off-axis optical system includes an interferometer 1, a compensator optical system 2, a cross reticle assembly and a plane reflector 5. The cross reticle assembly is set at the end of the compensator optical system 2; the interferometer 1, the cross reticle assembly, the compensator optical system 2 and the plane mirror 5 are sequentially arranged on the same optical path.

[0034] In order to accurately calibrate the optical axis of the compensator, a cross reticle fixture 3 is designed. Cross reticle tooling 3 is a cross reticle assembly processed through optical centering, its structure diagram is shown in figure 2 As shown, the cross reticle is as image 3 as well as Figure 4 shown. exist figure 2 Among them, A represents the size of the inner circle of the tooling frame, and surfa...

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Abstract

The invention provides a system and method for adjusting the common optical axis of an off-axis optical system. The system comprises an interferometer, a compensator optical system, a cross reticle assembly and a planar mirror, wherein the cross reticle assembly sleeves the end portion of the compensator optical system, and the interferometer, the cross reticle assembly, the compensator optical system and the planar mirror are successively arranged at the same optical path. The system and method provided by the invention enable the optical axis of an off-axis reflector to be visible, and provides convenience for adjustment of the common optical axis of the whole off-axis optical system.

Description

technical field [0001] The invention belongs to the technical field of optical precision adjustment, and relates to an adjustment method and system for realizing a common optical axis of an off-axis optical system. Background technique [0002] The development of diversification of optical systems, from traditional coaxial optical systems to off-axis optical systems, to the current off-axis optical systems. The increasingly complex form of the optical system makes the installation and adjustment more difficult. For the off-axis optical system, because the off-axis optical element does not have the center part of the optical axis, it is impossible to realize the common optical axis of the off-axis optical system by using the traditional method of rotating the center axis. adjustment, so the final imaging quality of the system cannot be guaranteed. In addition, due to the large number of optical components in the off-axis optical system, there are too many adjustment variable...

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Application Information

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IPC IPC(8): G02B7/182
Inventor 张学敏宋兴候小华李华
Owner XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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