CN203643626U - Aspheric optical lens and lens sleeve - Google Patents
Aspheric optical lens and lens sleeve Download PDFInfo
- Publication number
- CN203643626U CN203643626U CN201320709486.7U CN201320709486U CN203643626U CN 203643626 U CN203643626 U CN 203643626U CN 201320709486 U CN201320709486 U CN 201320709486U CN 203643626 U CN203643626 U CN 203643626U
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- face
- lens
- incidence surface
- rear end
- cylinder
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Abstract
Provided is an aspheric optical lens. The aspheric optical lens comprises a lens body. The lens body includes a front end face, a rear end face and a cylindrical face. The rear end face is a circular end face of a cylinder. The front end face corresponds to an optical fiber direction. The front end face includes a light incidence surface and two light reflecting surfaces. The two light reflecting surfaces obliquely intersect with the light incidence surface. The light incidence surface is parallel with the rear end face. The light reflecting surfaces are distributed on two sides of the light incidence surface, bevel inner sides of the lens body from the cylindrical face. The two light reflecting surfaces, the light incidence surface and the end face of the cylinder are trapezoid-shaped on an axial section cutting plane. According to the aspheric optical lens which adopts a structure including the light reflecting surface and the light incidence surface, the lens can gather together diverging light through the two light reflecting surfaces; at the same time, the light incidence surface adopts a plane form with the minimum return loss; and furthermore, through the light incidence surface having a preset width, the aspheric optical lens can be combined and match with the sleeve to complete sound positioning and fixing, and optical attenuation loss caused by inaccurate alignment is prevented.
Description
[technical field]
The utility model relates to optical component, especially the sleeve of the optical lens in fiber fixed seat and assembling optical lens.
[background technology]
Optical device is the unit that in fibre-optic transmission system (FOTS), light path is played to conversion, connection and control function, optical device is the basis that builds light communication system and network, no matter be high-speed light transmission equipment, long haul optical transmission equipment or current intelligent optical optical-fiber network of greatest concern, the speed of optical device technical progress and model change is all depended in their development, along with the continuous progress of optical fiber communication technology, optical device is rapidly to miniaturization.Reduce the complicacy, low cost of structure, the future development such as integrated.The optical devices such as optical fiber collimator, fiber array unit FAU are the basic optical device in Fiber Optical Communication System and optical fiber sensing system, and all basic optical devices all must have accurate fiber fixed seat, the original papers such as the optical fiber, sleeve pipe, lens that assembling coordinates in fiber fixed seat, form a complete fiber optic component and device.
In fiber fixed seat, be connected optical fiber with lens, complete the transmission of light in optical fiber, for fear of optical power attenuation, coordinate at structure and the optical fiber align of lens, need to constantly improve technology, also have at present the inclined-plane of employing lens, for optical fiber provides optic path, but inclined-plane lens exist light degree of gathering inadequate, the problem that optical fiber diffusion loss percentage is high, so consider inclined-plane lens to improve.Also have the spherical lens of employing to replace inclined-plane lens and manufacture optical device, high but the technical matters that the center of spherical lens own is aimed at requires, the disqualification rate of product is also higher.
[summary of the invention]
The utility model has proposed a kind of aspherics lens for above problem, and these aspherics lens are convenient to aim at and are installed, and have reduced light diffusion, are convenient to gather light, improve the through-put power of optical fiber.
The aspherics lens that relate to described in the utility model, these aspherics lens comprise lens body, this lens body comprises front end face, rear end face and the face of cylinder, this face of cylinder connects front end face and rear end face, this rear end face is cylindrical circular end surface, the wherein corresponding optical fiber direction of front end face, this front end face comprises an incidence surface and two reflective surfaces, this two reflective surface is oblique crossing with incidence surface, this incidence surface is parallel with rear end face, and reflective surface is distributed in incidence surface both sides, from the face of cylinder, cut sth. askew in oblique lens body inner side, two reflective surfaces, incidence surface and cylindrical end face are trapezoidal at the axis of lens on cutting plane.
What be made up of reflective surface, incidence surface and cylinder end face is trapezoidal, is isosceles trapezoid, and this reflective surface forms two isosceles limits of isosceles trapezoid, and incidence surface is top margin.
This trapezoidal footing scope is 25 °-40 °.
The width of this top margin is the 30%-40% of lens diameter.
A kind of lens sleeve, comprises optical fiber canned paragraph and lens canned paragraph, and at its lens canned paragraph, the above and below of sleeve lining is provided with fixed calibration card end, and the width of this fixed calibration card end is corresponding with lens incidence surface width.
The utility model has adopted the aspherics lens that comprise reflective surface and light face structure, these lens can be by carrying out that reflective surface, for middle incidence surface is gathered the light of dispersing, simultaneously, this incidence surface has adopted the plane form of return loss minimum, and by there being the incidence surface of predetermined width, can also be combined with sleeve supporting, complete good location and fix, avoid contraposition to be forbidden the optical attenuation loss causing.
[brief description of the drawings]
Fig. 1 is the structural representation of the utility model aspherics lens;
Fig. 2 is the utility model aspherics lens cut-open views;
Fig. 3 is the lens sleeve structural drawing of the utility model aspherics lens;
Wherein: 100, aspherics lens; 10, front end face; 11, incidence surface; 12, reflective surface; 20, rear end face; 30, the face of cylinder; 200, lens sleeve; 210, lens canned paragraph; 211, fixed calibration card end;
[embodiment]
Below in conjunction with drawings and Examples, the sleeve of the utility model aspherics lens and applicable these lens of assembling is elaborated.
Please refer to accompanying drawing 1: aspherics lens 100 as shown in Figure 1, these aspherics lens 100 comprise lens body, and this lens body comprises front end face 10, rear end face 20 and the face of cylinder 30, and this face of cylinder 30 connects front end face 10 and rear end face 20.This optical lens presents cylindrical originally, thus this rear end face be originally be the circular end surface of cylindrical plane.
Front end face is through remodeling, form special shape end face, the wherein corresponding optical fiber direction of front end face 10, this front end face comprises an incidence surface 11 and two reflective surfaces 12, this two reflective surface 12 is oblique crossing with incidence surface 11, this incidence surface 11 is parallel with rear end face 20, and reflective surface 12 is distributed in incidence surface 11 both sides, from the face of cylinder 30, cut sth. askew in oblique lens body inner side, as Fig. 2, the cut away view of doing from the axis of cylinder, two reflective surfaces 12, incidence surface 11 and cylindrical end faces are trapezoidal at the axis of lens on cutting plane.
What be made up of two reflective surfaces 12, incidence surface 11 and cylinder end face is trapezoidal, is isosceles trapezoid, and these two reflective surfaces 12 form two isosceles limits of isosceles trapezoid, and incidence surface 11 is top margin.This trapezoidal footing scope is 25 °-40 °.Can control like this reflecting angle of reflective surface, from meeting brings the situation of less return loss, carry out luminously as far as possible, by issuable deviation light, concentrate toward incidence surface 11 and gather.
The width of this top margin is 30%40% of lens diameter.The width of this top margin has determined the area of incidence surface, and this incidence surface should not be too little, limited optical efficiency, also difficult too large, easily produces the loss of luminous energy effect, so width is relevant to lens diameter, is controlled at the 30%-40% of lens diameter, just can obtain optimum efficiency.
With reference to accompanying drawing 3, wherein show a kind of lens sleeve 200 supporting with this optical lens, comprise optical fiber canned paragraph and lens canned paragraph 210, optical fiber canned paragraph is used for fixing the optical fiber in fiber fixed seat and fiber fixed seat, and lens canned paragraph 210 is used for fixing optical lens.In original structure, sleeve is exactly the much the same tubular article of external diameter of internal diameter and lens, fiber fixed seat, by lens and fiber fixed seat concentric be arranged in sleeve.And lens sleeve of the present utility model is at its lens canned paragraph 210, the above and below of sleeve lining is provided with fixed calibration card end 211, and the width of this fixed calibration card end 211 is corresponding with lens incidence surface 11 width.
The utility model has adopted the aspherics lens that comprise reflective surface and incidence surface structure, these lens can be by carrying out that reflective surface, for middle incidence surface is gathered the light of dispersing, simultaneously, this incidence surface has adopted the plane form of return loss minimum, and by there being the incidence surface of predetermined width, can also be combined with sleeve supporting, complete good location and fix, avoid contraposition to be forbidden the optical attenuation loss causing.
The above, it is only the utility model preferred embodiment, not the utility model is done to any pro forma restriction, although the utility model discloses as above with preferred embodiment, but not in order to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, when utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be not depart from technical solutions of the utility model content, refer to any simple modification that above embodiment is done according to the utility model technology, equivalent variations and modification, all belong in the scope of technical solutions of the utility model.
Claims (5)
1. aspherics lens, these aspherics lens comprise lens body, this lens body comprises front end face, rear end face and the face of cylinder, this face of cylinder connects front end face and rear end face, it is characterized in that, this rear end face is cylindrical circular end surface, the wherein corresponding optical fiber direction of front end face, this front end face comprises an incidence surface and two reflective surfaces, this two reflective surface is oblique crossing with incidence surface, this incidence surface is parallel with rear end face, and reflective surface is distributed in incidence surface both sides, from the face of cylinder, cut sth. askew in oblique lens body inner side, two reflective surfaces, incidence surface and cylindrical end face are trapezoidal at the axis of lens on cutting plane.
2. aspherics lens according to claim 1, is characterized in that, this is trapezoidal is made up of reflective surface, incidence surface and cylinder end face, is isosceles trapezoid, and this reflective surface forms two isosceles limits of isosceles trapezoid, and incidence surface is top margin.
3. aspherics lens according to claim 2, is characterized in that, this trapezoidal footing scope is 25 °-40 °.
4. aspherics lens according to claim 2, is characterized in that the 30%-40% that the width of this top margin is lens diameter.
5. a lens sleeve, comprise optical fiber canned paragraph and lens canned paragraph, at its lens canned paragraph, aspherics lens are fixed, these lens comprise front end face, rear end face and the face of cylinder, this face of cylinder connects front end face and rear end face, it is characterized in that, this rear end face is cylindrical circular end surface, the wherein corresponding optical fiber direction of front end face, this front end face comprises an incidence surface and two reflective surfaces, this two reflective surface is oblique crossing with incidence surface, this incidence surface is parallel with rear end face, and reflective surface is distributed in incidence surface both sides, from the face of cylinder, cut sth. askew in oblique lens body inner side, two reflective surfaces, incidence surface and cylindrical end face are trapezoidal at the axis of lens on cutting plane, the above and below of this sleeve lining is provided with fixed calibration card end, the width of this fixed calibration card end is corresponding with lens incidence surface width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320709486.7U CN203643626U (en) | 2013-11-01 | 2013-11-01 | Aspheric optical lens and lens sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320709486.7U CN203643626U (en) | 2013-11-01 | 2013-11-01 | Aspheric optical lens and lens sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203643626U true CN203643626U (en) | 2014-06-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320709486.7U Expired - Fee Related CN203643626U (en) | 2013-11-01 | 2013-11-01 | Aspheric optical lens and lens sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203643626U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104570223A (en) * | 2015-02-03 | 2015-04-29 | 中国电子科技集团公司第四十六研究所 | Multidirectional-irradiation passive optical fiber end for medical clinical treatment |
-
2013
- 2013-11-01 CN CN201320709486.7U patent/CN203643626U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104570223A (en) * | 2015-02-03 | 2015-04-29 | 中国电子科技集团公司第四十六研究所 | Multidirectional-irradiation passive optical fiber end for medical clinical treatment |
| CN104570223B (en) * | 2015-02-03 | 2017-09-26 | 中国电子科技集团公司第四十六研究所 | A kind of clinical medicine treatment irradiates passive fiber end with multi-direction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20211101 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |