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Secondary mirror adjusting mechanism used for vehicle-mounted adaptive optical imaging telescope

A technology of adaptive optics and adjustment mechanism, applied in the directions of telescopes, optics, optical components, etc., can solve the problems of small adjustment range of optical axis direction, high cost and maintenance cost, coupling of degrees of freedom, etc., to achieve simple structure and control, and easy manufacturing. and low maintenance costs, improving overall stiffness and stability

Active Publication Date: 2015-03-25
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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Problems solved by technology

[0004] The purpose of the present invention is to provide a secondary mirror adjustment mechanism for vehicle-mounted adaptive optics imaging telescopes, which solves the problem of coupling degrees of freedom, small adjustment range of optical axis direction, low rigidity, complicated control, high cost and maintenance cost in the prior art technical issues

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  • Secondary mirror adjusting mechanism used for vehicle-mounted adaptive optical imaging telescope
  • Secondary mirror adjusting mechanism used for vehicle-mounted adaptive optical imaging telescope

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Embodiment Construction

[0016] The present invention will be further elaborated below in conjunction with the accompanying drawings.

[0017] See attached figure 1 And attached figure 2 , a secondary mirror adjustment mechanism for vehicle-mounted adaptive optics imaging telescope of the present invention comprises Tip / Tilt adjustment mechanism, Piston focus adjustment mechanism and two-dimensional fine-tuning translation mechanism; Tip / Tilt adjustment mechanism and Piston focus adjustment mechanism are connected in series; Piston The focusing mechanism and the two-dimensional fine-tuning translation mechanism are connected in series.

[0018] The Tip / Tilt adjustment mechanism includes 3 sets of manual tilting drivers 10 and connecting substrates 11 ;

[0019] The manual tilt driver 10 includes a locking screw 15, a lower spherical washer 16, a spherical adjustment member 17, an elastic sleeve 18, a snap ring 19, a large locking nut 20, a small locking nut 21 and an upper spherical washer 22 The ...

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Abstract

The invention discloses a secondary mirror adjusting mechanism used for a vehicle-mounted adaptive optical imaging telescope and relates to the technical field of adaptive optical imaging detection. The secondary mirror adjusting mechanism solves the technical problems that in the prior art, freedom degree coupling exists, the adjusting range of the optical axis direction is small, rigidity is low, control is complex, and the construction cost and the maintenance cost are high. The secondary mirror adjusting mechanism comprises a Tip / Tilt adjusting mechanism, Piston focusing mechanism and a two-dimensional fine adjustment horizontal-moving mechanism. The Tip / Tilt adjusting mechanism and the Piston focusing mechanism are connected in series, the Piston focusing mechanism and the two-dimensional fine adjustment horizontal-moving mechanism are connected in series, the Tip / Tilt adjustment movement and the Piston focusing movement are in a series-connection relation in the aspect of transmission angles and are of an embedded structure in the aspect of structural angles, the dimension chain is shortened, and overall rigidity and stability are improved.

Description

technical field [0001] The invention belongs to the technical field of adaptive optics imaging detection, and in particular relates to a secondary mirror adjustment mechanism for a vehicle-mounted adaptive optics imaging telescope. Background technique [0002] In a large-aperture optical telescope system, the relative position and attitude of the primary mirror and the secondary mirror have an important impact on high-quality imaging, and at the same time affect the pointing accuracy and tracking accuracy of the telescope. Therefore, first of all, during the installation and adjustment process of the telescope system, the position and attitude of the secondary mirror need to be adjusted to ensure the alignment of the primary and secondary mirror optical paths; secondly, during the working process of the telescope, due to gravity, temperature, system design requirements, etc. The relative pose of the mirrors will also change, especially the direction of the optical axis, so ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B23/00
CPCG02B23/00G02B23/16
Inventor 王建立张丽敏杨飞赵勇志吴晓霞李剑锋陈宝刚
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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