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Small-size long-focus large-caliber continuous zooming optical structure and method

An optical structure and large-aperture technology, applied in optics, optical components, instruments, etc., can solve problems that have not been reported publicly, and achieve the effect of compressed volume, excellent image quality, and high cost performance

Pending Publication Date: 2017-05-31
XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Through market and article research, there is no effective technical solution in the domestic market to realize the miniaturization of the continuous zoom optical system structure or method, and there are no related public reports

Method used

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  • Small-size long-focus large-caliber continuous zooming optical structure and method
  • Small-size long-focus large-caliber continuous zooming optical structure and method
  • Small-size long-focus large-caliber continuous zooming optical structure and method

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Embodiment Construction

[0031] The present invention will be further described below in conjunction with the accompanying drawings.

[0032] see figure 2 , the present invention provides a miniaturized long focal length and large aperture continuous zoom optical structure, which includes a primary reflector 1, a secondary reflector 2, a field stop 3, a continuous zoom transmission system component 4, an aperture stop 5 and a focal plane 6. The main reflector 1 is used to receive the light energy reflected by the target object. The field diaphragm 3 is installed at the focal point of the main reflector 1 to eliminate the stray light of the system. The secondary reflector 2 is installed on the main reflector 1 On the subsequent optical path, the focal point of the secondary reflector 2 coincides with the focal point of the primary reflector 1, the continuous zoom transmission system component 4 is installed on the outgoing light path of the secondary reflector 2, and the aperture stop 5 is installed o...

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Abstract

The invention provides a small-size long-focus large-caliber continuous zooming optical structure, which comprises an all-reflective afocal optical system, a transmission type continuous zooming optical system and a focal plane, wherein the all-reflective afocal optical system comprises a main reflecting mirror and a sub reflecting mirror; the focus of the sub reflecting mirror is overlapped with the focus point of the main reflecting mirror; the main reflecting mirror is used for receiving light energy reflected by a target object; the sub reflecting mirror is arranged on a reflecting light path of the main reflecting mirror; the transmission type continuous zooming optical system is arranged on an emitting light path of the sub reflecting mirror; the focus plane is positioned on the focus surface. The incident light beam is subjected to caliber compression by using a prepositive afocal optical system; the continuous zooming function is provided through a subsequent continuous zooming transmission system assembly; the two systems are combined, so that the prepositive afocal optical system amplifies the focal length of the subsequent continuous zooming transmission system assembly; the function requirements of long focus length and great caliber of the whole system are met.

Description

technical field [0001] The invention belongs to the technical field of optical design, and relates to an optical structure design of a long focal length and large aperture optical system, in particular to a long focal length and large aperture continuous zoom optical structure and method with a miniaturized optical structure. Background technique [0002] Optoelectronic equipment is mainly used to monitor and image targets at short, medium, and infinite distances. With the continuous development of science and technology, optoelectronic equipment has been developing towards miniaturization, high imaging quality, and high resolution. Because of its small size, easy portability and low cost, it has attracted more and more attention at home and abroad. Due to the miniaturization and high resolution of optoelectronic equipment, higher requirements are placed on the optoelectronic equipment system. It is necessary to ensure that the optical system has a high Possibly small, this...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B17/08G02B15/00
CPCG02B15/00G02B17/0804
Inventor 刘峰徐亮郭毅刘锴张洁赵建科周艳李朝辉李晓辉高明新
Owner XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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