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Novel holographic sight optical path

A holographic and sight technology, applied in the field of holographic sights, can solve the problems of difficult calibration of the optical path system and low aiming accuracy, and achieve the effect of satisfying the adjustment system, improving the adjustment accuracy, and shortening the structural length

Active Publication Date: 2014-06-18
XIAN HUANIC OPTOELECTRONICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a holographic sight with convenient adjustment and calibration and a more scientific and reasonable optical path pattern, so as to solve the problems of difficult calibration of the optical system and low aiming accuracy in existing holographic lens sights

Method used

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Embodiment 1

[0025] Embodiment 1: When the holographic lens 3 and the hologram 5 are placed close to vertical, that is, when the light-receiving surfaces of the two are placed close to vertical, and when the hologram 5 is a transmissive hologram, the holographic optical path is as follows figure 1 As shown, the holographic lens 3 is arranged directly above the beam expander 2 constituting the laser emitting module, and the hologram 5 with the aiming and dividing image is arranged obliquely to the left of the holographic lens 3 and placed on the exit light of the mirror 4. On the way, the mirror 4 reflects the light collimated and reflected by the hologram lens 3 (reflective hologram lens) to the hologram 5. Since the hologram 5 is a transmission hologram, the observer 6 is behind the hologram 5 You can visually aim at the target 7 on the left.

Embodiment 2

[0026] Embodiment 2: When the hologram lens and the hologram are placed close to parallel and the hologram 5 with the aiming and reticle image is a reflective hologram, the holographic light path is as follows figure 2 As shown, the holographic lens 3 and the hologram 5 with the aiming and dividing image are placed in parallel, that is, the light-receiving surfaces of the two are parallel, and the hologram 5 with the aiming and dividing image is placed on the exit light path of the reflecting mirror 4, and it is The mirror 4 is placed close to vertical. The laser diode 1 can be a diode that emits green visible light waves or a diode that emits red visible light waves. The beam expander 2 is used to further expand the divergence angle of the beam emitted by the laser diode 1 so that the area of ​​the divergent beam is within a short distance. It can illuminate the full holographic lens 3 and adjust the parallelism of the light emitted by the holographic lens. It is only necessa...

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PUM

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Abstract

The invention provides a novel holographic sight optical path. The optical path comprises a laser emission module for providing a light source, a holographic lens for collimating, filtering and deflecting light emitted by the laser emission module, and a hologram with a sight differentiated image, wherein the holographic lens and the laser emission module is positioned on the same optical axis; a reflecting mirror for reflecting emergent light of the holographic lens to the hologram is arranged between the holographic lens and the hologram; and a laser diode and a beam expanding device for further expanding a divergence angle of a light beam emitted by the laser diode are arranged in the laser emission module. In the holographic sight optical path, the plane reflecting mirror is arranged between the holographic lens and the hologram, so that the parallelism of the emergent light of the holographic lens is corrected by adjusting an optical path between the light source and the holographic lens, the angle of incident light of the hologram is corrected by the position offset of the plane reflecting mirror, and adjusting accuracy is improved.

Description

Technical field [0001] The present invention relates to a holographic sight, in particular to a novel holographic sight suitable for laser holographic sights. Background technique [0002] The research on holographic sights originated from the holographic sighting system developed by ERIM for the US Department of Defense in the 1970s, mainly used in combat aircraft. The illumination source is He-Ne laser. Due to the limitation of the light source, no equipment was formed at that time. By the 1980s, this technology was successfully applied to fighter aircraft, namely diffractive optical head-up displays. It was not until the 1990s that semiconductor laser technology gradually matured, which enabled this technology to be applied to light weapons. [0003] Holographic sights are currently the newest and most popular type of sights on the market. It is the first application of holography to light weapons. Although holographic sights have been reported in military equipment and on the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B23/02G02B27/09G02B5/32
Inventor 孙建华李雯
Owner XIAN HUANIC OPTOELECTRONICS CORP
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