CN209311721U - A kind of lens array component of band reflection - Google Patents
A kind of lens array component of band reflection Download PDFInfo
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- CN209311721U CN209311721U CN201822267731.9U CN201822267731U CN209311721U CN 209311721 U CN209311721 U CN 209311721U CN 201822267731 U CN201822267731 U CN 201822267731U CN 209311721 U CN209311721 U CN 209311721U
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- lens array
- light
- reflecting prism
- emitting surface
- reflecting
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Abstract
The utility model relates to light receiving element field, in particular to a kind of lens array component of band reflection.Using lens array and reflecting prism, lens array incidence surface is parallel with light-emitting surface, reflecting prism is fitted in the light-emitting surface of lens array, the light-emitting surface of the reflecting surface face lens array of reflecting prism, the light-emitting surface of lens array and the incidence surface of reflecting prism are bonded together by refractive index after solidifying and the optical glue of index matching between the two.The light-emitting surface of the lens array converged for directional light is designed as the plane parallel with its incidence surface, the all very high reflecting prism (mirror assembly) of assembly precision and positioning accuracy request is bonded to the light-emitting surface of lens array, thereby realize the active coupling positioning of two big light path elements, technology difficulty is greatly reduced, complex components manufacture bring Material Cost is decreased.
Description
Technical field
The utility model relates to light receiving element field, in particular to a kind of lens array component of band reflection.
Background technique
Current multi-channel high-speed receives optical device or uses back-illuminated type scheme, i.e. reception chip is square on the mirror；
Positive illuminated scheme is used, i.e. reception chip is below reflecting mirror.When using positive illuminated scheme, due to PD chip photosurface
It is within close proximity with welding lead region, greatly limits design space and the assembling space of its top mirror elements, therefore right
The packaging technologies of mirror elements require it is very high, and according to conventional mirror design, the lens array of light-receiving port and anti-
It penetrates mirror and is limited by space and be difficult to correct contraposition, be highly detrimental to mass production.
Utility model content
The purpose of this utility model is that avoiding above-mentioned shortcoming in the prior art and providing a kind of the saturating of band reflection
Lens array component, for reducing technology difficulty.
To achieve the above object, a kind of lens array component of band reflection, including lens array and reflecting prism, institute are provided
State that lens array incidence surface is parallel with light-emitting surface, the reflecting prism is fitted in the light-emitting surface of the lens array, the reflection
The light-emitting surface of lens array described in the reflecting surface face of prism, the light-emitting surface of lens array and the incidence surface of reflecting prism pass through solid
Refractive index and the optical glue of index matching between the two are bonded together after change.
Wherein, the lens array is rectangle, and multiple lens of the lens array are horizontally arranged in the lens array
Incidence surface.
Wherein, multiple lens separations are uniformly arranged in the incidence surface of the lens array.
Wherein, the reflecting prism is right angle prism, one right-angle side is fitted in the light-emitting surface of the lens array,
Its reflecting surface is mounted on chamfered inside.
Wherein, the incidence surface of the lens array is coated with anti-reflection film.
Wherein, the light-emitting surface of the reflecting prism is coated with anti-reflection film.
Wherein, the incidence surface of the reflecting prism and reflecting surface are burnishing surface.
The utility model has the advantages that the utility model proposes a kind of band reflection lens array component, using lens array and reflection
Prism, lens array incidence surface is parallel with light-emitting surface, and reflecting prism is fitted in the light-emitting surface of lens array, the reflection of reflecting prism
The light-emitting surface of face face lens array, the light-emitting surface of lens array and the incidence surface of reflecting prism pass through refractive index and two after solidification
The optical glue of index matching between person is bonded together.The light-emitting surface of the lens array converged for directional light is designed
It is for the plane parallel with its incidence surface, assembly precision and all very high reflecting prism (mirror assembly) of positioning accuracy request is viscous
The light-emitting surface for tying lens array thereby realizes the active coupling positioning of two big light path elements, greatly reduces technique hardly possible
Degree decreases complex components manufacture bring Material Cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the lens array component of band reflection.
Fig. 2 is the light channel structure schematic diagram of the lens array component of band reflection.
Specific embodiment
The technical issues of in order to keep the utility model solved, technical solution and beneficial effect are more clearly understood, below
In conjunction with the embodiments and attached drawing, the present invention will be further described in detail.It should be appreciated that specific implementation described herein
Example is only used to explain the utility model, is not used to limit the utility model.
The lens array component of band reflection is as illustrated in fig. 1 and 2, including lens array 1 and reflecting prism 2.Lens array 1
For rectangle, 1 incidence surface 101 of lens array is parallel with light-emitting surface 102, and multiple lens of lens array are lateral and evenly spaced row
In the incidence surface 101 being listed in, and incidence surface 101 is coated with anti-reflection film.Reflecting prism 2 is right angle prism, a side of right-angle side
Face is fitted in the light-emitting surface 102 of lens array 1, the reflecting surface 203 of reflecting prism 2 be mounted on the chamfered inside of right angle prism and
The light-emitting surface 102 of face lens array 1, the light-emitting surface 201 of reflecting prism 2 are coated with anti-reflection film, the incidence surface 202 of reflecting prism 2
It is all then burnishing surface with reflecting surface 203, after the light-emitting surface 102 of lens array 1 and the incidence surface 202 of reflecting prism 2 pass through solidification
Refractive index and the optical glue of index matching between the two are bonded together.
The light-emitting surface 102 of the lens array 1 converged for directional light is designed as the plane parallel with its incidence surface 101,
The all very high reflecting prism 2 (mirror assembly) of assembly precision and positioning accuracy request is bonded to the light-emitting surface of lens array 1
102, the active coupling positioning of two big light path elements is thereby realized, technology difficulty is greatly reduced, decreases complicated member
Part manufactures bring Material Cost.
The light-emitting surface 102 of lens array 1 and the incidence surface 202 of reflecting prism 2 are viscous by the optical glue of index matching
It is combined.The incidence surface 101 of lens array 1 is coated with anti-reflection film, and light-emitting surface 102 can not plated film；201 platings of reflecting prism 2
Have an anti-reflection film, incidence surface 202 and reflecting surface 203 can not plated film, but need to polish.The lens array component knot of this band reflection
Structure design is simple, and reflecting prism does not need individually designed support component part, more compact, saving individually reflection (rib) in structure
Avoiding space needed for mirror assembly assembling or lens array coupling；More importantly eliminate the positioning assembling of reflecting prism component
Processing step improves the producing efficiency of entire device.
Finally it should be noted that above embodiments are merely to illustrate the technical solution of the utility model rather than to this is practical
The limitation of novel protected range, although being explained in detail referring to preferred embodiment to the utility model, the common skill of this field
Art personnel should be appreciated that can be practical without departing from this with the technical solution of the present invention is modified or equivalently replaced
The spirit and scope of new technique scheme.
Claims (7)
1. a kind of lens array component of band reflection, which is characterized in that including lens array and reflecting prism, the lens array
Incidence surface is parallel with light-emitting surface, and the reflecting prism is fitted in the light-emitting surface of the lens array, the reflection of the reflecting prism
The light-emitting surface of lens array described in the face of face, the light-emitting surface of lens array and the incidence surface of reflecting prism pass through refractive index after solidification
It is bonded together with the optical glue of index matching between the two.
2. a kind of lens array component of band reflection according to claim 1, which is characterized in that the lens array is square
Shape light transmission block, multiple lens are horizontally arranged on the inside of the incidence surface of the lens array, and the caustic surface of each lens protrudes outward
In the incidence surface.
3. a kind of lens array component of band reflection according to claim 2, which is characterized in that multiple lens separations are uniform
The incidence surface for being arranged in the lens array.
4. a kind of lens array component of band reflection according to claim 1, which is characterized in that the reflecting prism is straight
Angle prism, one right-angle side are fitted in the light-emitting surface of the lens array, and reflecting surface is mounted on chamfered inside.
5. a kind of lens array component of band reflection according to claim 1, which is characterized in that the lens array enters
Smooth surface is coated with anti-reflection film.
6. a kind of lens array component of band reflection according to claim 1, which is characterized in that the reflecting prism goes out
Smooth surface is coated with anti-reflection film.
7. a kind of lens array component of band reflection according to claim 6, which is characterized in that the reflecting prism enters
Smooth surface and reflecting surface are burnishing surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822267731.9U CN209311721U (en) | 2018-12-28 | 2018-12-28 | A kind of lens array component of band reflection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822267731.9U CN209311721U (en) | 2018-12-28 | 2018-12-28 | A kind of lens array component of band reflection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209311721U true CN209311721U (en) | 2019-08-27 |
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ID=67680048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822267731.9U Active CN209311721U (en) | 2018-12-28 | 2018-12-28 | A kind of lens array component of band reflection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209311721U (en) |
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2018
- 2018-12-28 CN CN201822267731.9U patent/CN209311721U/en active Active
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