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A holographic telescopic device and telescope

A telescopic device and holographic technology, which are applied in the field of holographic telescopic devices and telescopes, can solve the problems of not being able to obtain three-dimensional information of objects, and achieve the effects of low cost and simple structure.

Active Publication Date: 2020-11-24
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a holographic telescopic device and a telescope to solve the problem that the three-dimensional information of the object cannot be obtained when the traditional telescope observes the object in the prior art.

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  • A holographic telescopic device and telescope
  • A holographic telescopic device and telescope
  • A holographic telescopic device and telescope

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Embodiment Construction

[0038] The present invention will be described in more detail below with reference to the drawings and embodiments.

[0039] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0040] The embodiment of the present invention discloses a holographic telephoto device to realize three-dimensional telephoto imaging.

[0041] Reference figure 1 , A schematic structural diagram of a holographic telephoto device disclosed in an embodiment of the present invention includes: an objective lens 1, a collimator ...

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Abstract

The present invention relates to the technical field of digital holographic imaging, and specifically discloses a holographic telescopic device, which comprises: splitting the incident light into two identical light waves through a beam splitter, and reflecting by two concave mirrors with different focal lengths to form two light waves with different phases. The two light waves with different phases are combined by the beam splitter, and self-interference occurs on the surface of the image sensor. The image sensor obtains the complete light wave information (including amplitude and phase) of the light wave of the observed scene by recording the light intensity of the interference fringe, and then realizes three-dimensional observation. The combination of two optical paths is used to achieve interference, and then the three-dimensional detection of the telescopic scene is realized. The utility model has the advantages of simple structure, low cost, and the ability to realize three-dimensional observation.

Description

Technical field [0001] The invention relates to the technical field of digital holographic imaging, in particular to a holographic telescope device and a telescope. Background technique [0002] People can observe distant scenes through telescopes. Traditional telescopes can only observe the light intensity information (amplitude) of the light waves emitted by the scene, but cannot obtain the three-dimensional information. The digital holography technology records the intensity of the interference fringes between the detected object light and the reference light, thereby retaining the phase information of the detected object light. The application of digital holography technology to the telescope can realize three-dimensional imaging of distant objects. [0003] Since the light wave emitted by the detected scene is incoherent light, it cannot interfere with the reference light. But for incoherent light, it is coherent with respect to the light wave itself. For this reason, the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03H1/04G02B23/02G02B23/12
Inventor 于海万秋华梁立辉卢新然孙莹
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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