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Holographic phasic difference amplifying and reconfiguration unit

A phase difference and holographic technology, applied in the field of holographic phase difference amplification and reconstruction devices, to achieve the effect of simple structure

Inactive Publication Date: 2005-04-06
SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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Problems solved by technology

[0009] The disadvantage of this high-magnification holographic phase difference amplification device is that when the phase difference magnification gradually increases, the diffraction angle gradually increases, and the requirements for the lens 11 and half-mirror 9 apertures also increase, such as the magnification When being 8, the diameter of lens 11 and half mirror 9 will be about φ 100

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  • Holographic phasic difference amplifying and reconfiguration unit
  • Holographic phasic difference amplifying and reconfiguration unit
  • Holographic phasic difference amplifying and reconfiguration unit

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Embodiment Construction

[0024] The optical path diagram of the holographic phase difference amplification and reconstruction device of the present invention is as follows image 3 As shown, it can be seen from the figure that the holographic phase difference amplification and reconstruction device of the present invention includes a laser light source 1, and a telescope 2 is arranged along the optical path output by the laser light source 1. After the laser beam is expanded, it is incident on the semi-anti-half Be divided into transmitted light beam A and reflected light beam B on the lens 3, it is characterized in that there are also the first total reflection mirror 4, the second total reflection mirror 6, the third total reflection mirror 9 and the hologram to be enlarged 8, the support of the hologram 10 and a recording dry plate 13, after the light beam A is reflected by the first total reflection mirror 4 and the third total reflection mirror 9, it irradiates the hologram 8 to be enlarged, and i...

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Abstract

It is a holograph phase difference amplifying and recreation device, which comprises laser source. It locates a telescope along the light path of the laser source. The laser beam shoots the front semi-reflection and semi-transparent lens after hole enlarging and then is cut into beam an and reflection beam B. The beam an and beam B shoots on the amplified holograph after first reflection and third reflection. The holograph is diffracted and recorded on the dry plate. The said holograph is laid on the holograph rack.

Description

technical field [0001] The invention relates to holographic phase difference amplification, in particular to a holographic phase difference amplification and reconstruction device, which can be widely used in the detection of various optical wavefronts and optical elements. Background technique [0002] At present, in the field of optical precision processing and measurement, interferometry is widely used at home and abroad to measure the wavefront of optical components. On the other hand, almost all high-quality interferometers in China are imported from abroad, and their prices range from 450,000 US dollars to 1 million US dollars, which seriously restricts the development of my country's industry, national defense and national economy. . No matter in direct application fields such as industry, national defense, production, or in indirect applications such as theoretical demonstration, there is an urgent need for a technology and equipment for testing optical wavefronts wit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B9/021G01B11/00G02F1/39G03H1/22
Inventor 高鸿奕陈建文干慧菁朱化凤李儒新徐至展
Owner SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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