CN202339440U - Novel holographic sighting device light path - Google Patents
Novel holographic sighting device light path Download PDFInfo
- Publication number
- CN202339440U CN202339440U CN 201120423031 CN201120423031U CN202339440U CN 202339440 U CN202339440 U CN 202339440U CN 201120423031 CN201120423031 CN 201120423031 CN 201120423031 U CN201120423031 U CN 201120423031U CN 202339440 U CN202339440 U CN 202339440U
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- hologram
- holographic lens
- light path
- holographic
- light
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Abstract
The utility model provides a novel holographic sighting device light path which comprises a laser emission module for providing a light source, a holographic lens and a hologram with an aligning differentiation image, wherein the holographic lens is used for collimating, filtering and deflecting light emitted from the laser emission module; the holographic lens and the laser emission module are positioned on the same optical axis; a reflector used for reflecting the emergent light of the holographic lens to the hologram is arranged between the holographic lens and the hologram; and the laser emission module is provided with a laser diode and a beam expander used for further expanding the divergence angle of a light beam emitted from the laser diode. Because a plane reflector is added between the holographic lens and the hologram, the parallelism of the emergent light of the holographic lens is regulated by the light path from the light source to the holographic lens, and the position deviation of the plane reflector is utilized to correct the angle of the emergent light of the holographic lens to improve the regulation precision.
Description
Technical field
The utility model relates to a kind of holography and takes aim at tool, especially relates to a kind of new holographic applicable to the laser hologram alignment clamp and takes aim at the tool light path.
Background technology
It is the hologram aiming system of U.S. Department of Defense development that the research of holographic diffraction sight originates from seventies ERIM, is mainly used in the operational aircraft.Lighting source is the He-Ne laser instrument, because the restriction of light source did not form equipment at that time.To the eighties, successful being applied on the fighter plane of this technology, i.e. diffraction optics head-up bisplay.And up to the nineties, semiconductor laser technology is ripe gradually, makes this technology just be able to be applied on the small arms.
It is the most novel also most popular in the market a kind of tool of taking aim at that tool is taken aim in holography; It is that holography is used the first time on small arms; Though taking aim at tool, holography now has at the organizational equipment and the report of use afield; But also do not equip our troops in a large number, mainly be its price and complete machine craft precision control required all than higher.
Holography is taken aim at tool and is utilized the diffraction differentiation virtual image of holographic optical elements (HOE) to aim at; Opticator wherein is the key of whole device; The optical element of opticator is few more, takes aim at the structure of tool and can do to such an extent that get over compact and portable, and the design of opticator is scientific and reasonable more; The precision of complete machine is also just high more, and debugging also can be more convenient.Though this patent also is to use holographic lens that light beam is collimated and deviation.But separate being independent of each other in the calibration of the debugging of the depth of parallelism and differentiation image; In patent ZL200920218958.2, patent ZL200810071050.3 and patent 201110037983.2; The light of holographic lens outgoing shines directly on the hologram; When the depth of parallelism of debugging holographic lens emergent light; Be easy to have influence on incide the incident light on the hologram angle according to diffraction principle, the hologram during assembling is made according to certain parameter, record and during reconstructing hologram the angle of reference light be that same parameter brightness, the sharpness that could guarantee diffraction image is best; Change in case incide the angle of the incident light on the hologram, the position of the diffraction differentiation virtual image can drift about accordingly on the hologram.Incide the directional light on the hologram angle be the sighted direction of diffraction image; And the target location of the depth of parallelism that incides the light beam on hologram aiming virtual image aiming can guarantee that sight line moves on whole hologram the time can not be moved; The angle and the depth of parallelism of emergent light are stablized simultaneously; Will guarantee that these two parameters can independently regulate calibration, could guarantee the holographic precision of taking aim at tool like this.In addition, holographic lens and the complete parallel placement of hologram can cause the total system vertically longer relatively, and the light path pattern of transmission-type is single relatively.
The utility model content
The purpose of the utility model is to provide a kind of and regulates the calibration convenience, the tool light path is taken aim in the more scientific and reasonable holography of light path pattern, takes aim at existing light path system calibration difficulties and the lower problem of pointing accuracy in the tool to solve existing holographic lens.
For reaching above-mentioned purpose; The utility model provides a kind of new holographic to take aim at the tool light path; Comprise the laser emitting module that light source is provided; Be used for that light to the emission of this laser emitting module collimates, the holographic lens of filtering and deviation and have the hologram of aiming differentiation image, holographic lens and laser emitting module are on the same optical axis; Be provided with the emergent light that is used for this holographic lens between holographic lens and the said hologram and reflex to the catoptron on the hologram; Be provided with the further beam expander spare that enlarges of the angle of divergence of a laser diode and the light beam that is used for sending this laser diode in the laser emitting module.
Above-mentioned laser diode is the laser diode of the red visible light wave of emission or the laser diode of the visible light wave of transmitting green.
Above-mentioned beam expander spare is attached column lens or concave mirror.
Above-mentioned hologram and said plane mirror are seated in the both sides of the optical axis of said laser emitting module respectively, and the sensitive surface of said holographic lens and the sensitive surface of this hologram are perpendicular or parallel.
Above-mentioned holographic lens is the reflective holographic lens.
Above-mentioned hologram is transmissive hologram or reflective hologram.
The advantage applies of the utility model is in the following aspects:
1, to take aim at the different place of tool light path also be the most outstanding a slice catoptron that a bit between holographic lens and hologram, added exactly for this light path system and other holographic lens; Can independently separately carry out the calibrated section of the depth of parallelism of holographic lens emergent light adjusting part and hologram incident light like this; Regulate the depth of parallelism of calibrating the holographic lens emergent light to the light path between the holographic lens through light source; The angle of utilizing the offset of catoptron to come the calibration hologram incident light; Both independently are independent of each other, and not only satisfied the needs of regulating system but also improved degree of regulation.
2, because whole optical path utilizes beam expander spare that the emission light of laser diode is expanded bundle, can in short distance, just reach enough big beam area, help shortening the structure length of system.
3, the beam expander spare in this light path select for use more flexibly, this beam expander spare can be attached column lens or concavees lens.
4, the light wave that sends of the laser diode in this light path can be taken aim at the red visible light wave of using in the tool for routine; Also can be green visible light wave or blue visible light wave; Can according to circumstances cooperate difference to take aim at the application need of tool; Promptly this light path system promptly can be applied to the ruddiness holography and takes aim at tool and also can be used for novel green glow holography and take aim at tool, has more pattern.
5, adopt the reflective holographic lens in the light path, utilize the reflective holographic lens, make the travel path of light beam collapsiblely to carry out, make structure more compact, the holography structure of taking aim at tool can be done more succinctly and weight can be lighter like this.
6, through this light path, holographic lens and hologram can carry out angle compensation completely, and the orientation that both place can also be more flexible, makes structure more compact like this.
Description of drawings
Fig. 1 is concavees lens for beam expander spare, reflective holographic lens and the transmissive hologram light path synoptic diagram during near vertical placement;
The light path synoptic diagram of Fig. 2 when to be that the reflective holographic lens are parallel with reflection hologram place.
Description of reference numerals: 1, laser diode, 2, beam expander spare, 3, holographic lens, 4, plane mirror, 5, hologram, 6, the observer, 7, target.
Embodiment
The new holographic that the utility model provided is taken aim at the tool light path; Comprise the laser emitting module that light source is provided; Be used for that light to the emission of this laser emitting module collimates, the holographic lens of filtering and deviation and have the hologram of aiming differentiation image, holographic lens and laser emitting module are on the same optical axis; Be provided with the emergent light that is used for this holographic lens between holographic lens and the said hologram and reflex to the catoptron on this hologram; Be provided with the further beam expander spare that enlarges of the angle of divergence of a laser diode and the light beam that is used for sending this laser diode in the laser emitting module.
Wherein, laser diode can be the laser diode of the red visible light wave of emission or the laser diode of the visible light wave of transmitting green; Beam expander spare can be attached column lens or concave mirror; Hologram can be transmissive hologram or reflective hologram, and holographic lens is the reflective holographic lens.
For the holographic lens that utilizes that helps better to understand the utility model and provided carries out the novel tool light path of taking aim at of beam collimation, the spy provides following case study on implementation:
Embodiment 1: when holographic lens 3 and hologram 5 placed when being the approaching vertical placement of the two sensitive surface near vertical; And when hologram 5 is transmissive hologram; This holographic light path is as shown in Figure 1, holographic lens 3 be arranged on the beam expander spare 2 that constitutes laser emitting module directly over, have a left side that the hologram 5 that aim at collimator graduation image is arranged on this holographic lens 3 tiltedly below and place on the emitting light path of catoptron 4; Catoptron 4 will reflex on the hologram 5 through the light after holographic lens 3 (reflective holographic lens) collimated reflected; Because hologram 5 is transmissive hologram, therefore, observer 6 is that the left side can visual sight target 7 at hologram 5 rears.
Embodiment 2: when the approaching parallel placement of holographic lens and hologram; When having the hologram 5 that aims at collimator graduation image and being reflection hologram; This holographic light path is as shown in Figure 2; Holographic lens 3 is that the two sensitive surface is parallel with having the hologram 5 parallel placements that aim at collimator graduation image, have the hologram 5 that aims at collimator graduation image and place on the emitting light path of catoptron 4, and with catoptron 4 near vertical placements.Wherein laser diode 1 can be for transmitting green it is thus clear that the diode of light wave also can be for launching the diode of red visible light wave; The angle of divergence of the light beam that beam expander spare 2 is used for sending laser diode 1 further enlarges; Make the area of divergent beams in short distance, just can shine full holographic lens 3; And the depth of parallelism of regulating the holographic lens emergent light, only need add micromatic setting at the light source place, can regulate the light path between laser diode 1 and the holographic lens 3; To guarantee the depth of parallelism of holographic lens 3 emergent lights; And when structural design, can on the catoptron behind the holographic lens 34, add micromatic setting, and with the angle of the incident light that guarantees hologram 5, thus the control pointing accuracy.
Be not difficult to find out that by Fig. 1 and Fig. 2 hologram 5 and plane mirror 4 are placed on the both sides of the optical axis of laser emitting module respectively.What holographic lens 3 was selected for use all is the reflective holographic lens.
More than hologram 5, catoptron 4 and holographic lens 3 in two cases place by certain angular relationship; Hologram 5 and holographic lens 3 couplings are used; Can derive concrete angle compensation relation through the angular relationship in grating equation and the light path system; Holographic lens collimates, the effect of filtering and deviation, also plays the effect that compensation hologram angle of diffraction changes with wave length shift at this light beam except playing in this system.Angle of diffraction situation of change when drift takes place the laser diode wavelength between holographic lens and the hologram is a prior art with concrete compensation relationship, has not just specifically derived at this.
It should be noted that the hologram among this embodiment claims holographic dry plate again.
Claims (9)
1. a new holographic is taken aim at the tool light path; Comprise the laser emitting module that light source is provided; Be used for that light to the emission of this laser emitting module collimates, the holographic lens of filtering and deviation and have the hologram of aiming differentiation image, it is characterized in that: said holographic lens and said laser emitting module are on the same optical axis; Be provided with the emergent light that is used for this holographic lens between said holographic lens and the said hologram and reflex to the catoptron on this hologram; Be provided with the further beam expander spare that enlarges of the angle of divergence of a laser diode and the light beam that is used for sending this laser diode in the said laser emitting module.
2. the tool light path is taken aim in holography as claimed in claim 1, it is characterized in that: said laser diode is the laser diode of the red visible light wave of emission or the laser diode of the visible light wave of transmitting green.
3. the tool light path is taken aim in according to claim 1 or claim 2 holography, and it is characterized in that: said beam expander spare is attached column lens or concave mirror.
4. the tool light path is taken aim in according to claim 1 or claim 2 holography; It is characterized in that: said hologram and said plane mirror are seated in the both sides of the optical axis of said laser emitting module respectively, and the sensitive surface of said holographic lens and the sensitive surface of this hologram are perpendicular or parallel.
5. the tool light path is taken aim in holography as claimed in claim 4, it is characterized in that: said holographic lens is the reflective holographic lens.
6. the tool light path is taken aim in holography as claimed in claim 5, it is characterized in that: said hologram is transmissive hologram or reflective hologram.
7. the tool light path is taken aim in holography as claimed in claim 3, it is characterized in that: said hologram and said plane mirror are seated in the both sides of the optical axis of said laser emitting module respectively, and the sensitive surface of said holographic lens and the sensitive surface of this hologram are perpendicular or parallel.
8. the tool light path is taken aim in holography as claimed in claim 7, it is characterized in that: said holographic lens is the reflective holographic lens.
9. the tool light path is taken aim in holography as claimed in claim 8, it is characterized in that: said hologram is transmissive hologram or reflection hologram.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120423031 CN202339440U (en) | 2011-10-31 | 2011-10-31 | Novel holographic sighting device light path |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120423031 CN202339440U (en) | 2011-10-31 | 2011-10-31 | Novel holographic sighting device light path |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202339440U true CN202339440U (en) | 2012-07-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120423031 Withdrawn - After Issue CN202339440U (en) | 2011-10-31 | 2011-10-31 | Novel holographic sighting device light path |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202339440U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360117A (en) * | 2011-10-31 | 2012-02-22 | 西安华科光电有限公司 | Novel holographic sight optical path |
-
2011
- 2011-10-31 CN CN 201120423031 patent/CN202339440U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360117A (en) * | 2011-10-31 | 2012-02-22 | 西安华科光电有限公司 | Novel holographic sight optical path |
| CN102360117B (en) * | 2011-10-31 | 2014-06-18 | 西安华科光电有限公司 | Novel holographic sight optical path |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120718 Effective date of abandoning: 20140618 |
|
| RGAV | Abandon patent right to avoid regrant |