CN206906709U - A kind of laser display based on fly's-eye lens is polarized shimming apparatus for shaping - Google Patents
A kind of laser display based on fly's-eye lens is polarized shimming apparatus for shaping Download PDFInfo
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- CN206906709U CN206906709U CN201720447314.5U CN201720447314U CN206906709U CN 206906709 U CN206906709 U CN 206906709U CN 201720447314 U CN201720447314 U CN 201720447314U CN 206906709 U CN206906709 U CN 206906709U
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- 238000007493 shaping process Methods 0.000 title claims abstract description 17
- 239000013307 optical fiber Substances 0.000 claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims abstract description 3
- 150000001875 compounds Chemical class 0.000 claims description 4
- 238000009792 diffusion process Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract 1
- 230000010287 polarization Effects 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a kind of laser display based on fly's-eye lens to be polarized shimming apparatus for shaping, belongs to technical field of laser display.The device optical fiber, collimation lens, PBS, speculum, half-wave plate, fly's-eye lens I, fly's-eye lens II and lens；Set on the emitting light path of optical fiber and half-wave plate is set on collimation lens and PBS, PBS exit facet, by after the laser beam light splitting of optical fiber, S light is emitted PBS after PBS interior reflective surface reflection；P light transmissions are changed into the outgoing of S light after crossing half-wave plate, and fly's-eye lens I, fly's-eye lens II and lens are set gradually on emitting light path；The two-way S light of reflection and outgoing realizes the hot spot after shimming and integer with identical angle incidence fly's-eye lens I, fly's-eye lens II and lens.The utility model realizes shimming, integer, is polarized function, reasonable in design, simple in construction.
Description
Technical field
Technical field of laser display is the utility model is related to, is especially applicable to laser lighting, laser display and with relevant
Light be light source optical device and instrument, specially a kind of shimming apparatus for shaping light path design based on fly's-eye lens.
Background technology
Laser has the features such as high brightness, Single wavelength, good beam quality, has in laser display field and field of laser illumination
Have broad application prospects.But because laser emitting light is polarised light, and power is low, in Gaussian Profile, in order to realize big work(
Rate laser lighting, generally use laser and fiber coupling, multifiber boundling, realize that high power laser exports, using two panels
Formula compound eye lens group and spherical mirror realize shimming integer, then (PCS-Polarizing Conversion System are inclined using PCS
Shake photoconverter) realize that non-polarized light is converted into polarised light, it is specific as shown in Figure 1.
In Lcos (Lcos-Liquid Crystal on Silicon liquid crystal on silicon) and LCD optical projection systems, approximation is flat
The priority of non-polarized light 1 of row light realizes the light field 6 after shimming and integer by 2,3 fly's-eye lenses and lens 5, while just compound eye is saturating
Between mirror 3 and spherical mirror 5, PCS4 is placed, realizes that non-polarized light is converted into line polarization light, the shimming device based on fly's-eye lens must
It must realize that polarised light is changed using PCS, cause system component cost high, system light efficiency is less than 60%.
Utility model content
In view of this, the utility model provides a kind of laser display based on fly's-eye lens and is polarized shimming apparatus for shaping,
Can high efficiency and be achieved at low cost shimming integer and polarization state light conversion.
A kind of laser display based on fly's-eye lens is polarized shimming apparatus for shaping, the device include optical fiber, collimation lens,
PBS (Polarizing Beam splitters polarization splitting prisms), speculum, half-wave plate, fly's-eye lens I, fly's-eye lens II
And lens；
Collimation lens and PBS are set gradually on the emitting light path of the optical fiber, half-wave plate, PBS are set on PBS exit facet
After the laser beam light splitting of optical fiber, speculum is set in the light path of S light reflection, S light reflects on the mirror；P light is saturating
It was changed into the outgoing of S light after penetrating half-wave plate, fly's-eye lens I, fly's-eye lens II and lens is set gradually on emitting light path；Reflection and
The two-way S light of outgoing injects fly's-eye lens I with identical angle, through fly's-eye lens II and lens, after realizing shimming and integer
Hot spot.
Further, in order to simplify light channel structure, the combination of PBS and speculum is replaced using internal reflector PBS.
Further, the output of P light can be realized by changing the position of half-wave plate.
Further, axial light path size is reduced to be limited suitable for different spaces, and the optical fiber is vertical with collimation lens
Set in fly's-eye lens axis direction, half-wave plate is arranged on internal reflector PBS reflection light-emitting face；Light beam is through internal reflector
PBS is divided, and S light is directly incident on fly's-eye lens after internal reflector PBS, and the P light after light splitting is through interior reflective surface internal reflection
Afterwards, S light is converted into through half-wave plate, with identical angle incidence fly's-eye lens I, through fly's-eye lens and lens, realizes shimming and whole
Hot spot after type.
Further, in order to improve illumination luminous power, using two fiber coupling modes；It is the optical fiber, collimation lens, interior
Speculum PBS and half wave plate group are emitted component into S light, and two groups of S light outgoing components are centrosymmetric setting, two groups of S light outgoing groups
The light beam of optical fiber is located normal on the straight line of fly's-eye lens axis direction simultaneously in part.
Further, in order to overcome limitation of the different spaces to light path design, collimation lens use directional light when inputting
Beam, collimated light beam are directly inputted to realize using collimation lens to optical fiber output beam collimation or using space collimated light beam.
Further, realize shimming integer using multifiber, a variety of incident angle modes and be polarized function.
Further, diffusion sheet is placed between incident light position, or PBS and compound eye lens group before PBS, it is further even
Change, improve shimming effect.
Beneficial effect：
1st, production cost of the present utility model is low：Because PCS is that tens prisms and wave plate gluing form, machining accuracy
Height, complex procedures, therefore price are high, and the utility model instead of PCS using PBS, and PBS quantity is few, and difficulty of processing is low, because
Component cost can be greatly lowered in this；
2nd, light efficiency of the present utility model is high：Because PCS smooth surfaces are to be spaced apart, it is necessary to after being placed in fly's-eye lens, enter
It is big to penetrate the light angle of divergence, light efficiency is less than 60%, and the utility model is using PCS, fly's-eye lens mode, and light beam converts after first collimating
For polarised light, then by fly's-eye lens shimming and integer, light efficiency it is more than 90%, the utility model can improve system light efficiency.
3rd, polarization conversion effect of the present utility model is good：Due to PCS as fly's-eye lens after, the incident light residue angle of divergence
Greatly, polarization converted effect is poor, and delustring is smaller；After the utility model is using collimation lens collimation, the incident light angle of divergence is small, warp
After PBS polarization converteds, extinction ratio is big.
4th, each device efficiency is high in device of the present utility model, and caloric value is small, can continuous-stable work, stable performance, peace
It is complete reliable.
Brief description of the drawings
Laser displays of the Fig. 1 in the prior art based on fly's-eye lens and PCS is polarized the index path of shimming apparatus for shaping
Fig. 2 the utility model is polarized the index path of shimming apparatus for shaping based on fly's-eye lens and PBS laser displays
Fig. 3 the utility model replaces PBS embodiment using internal reflector PBS
Fig. 4 the utility model uses the embodiment of vertical incidence light path design
Fig. 5 the utility model is based on 2 × 2 internal reflector PBS and fly's-eye lens shimming, the integer and embodiment for being polarized light path
(vertical incidence)
Fig. 6 the utility model is based on 2 × 2 internal reflector PBS and fly's-eye lens shimming, the integer and embodiment for being polarized light path
(parallel incidence)
Fig. 7 the utility model is based on more PBS and fly's-eye lens shimming, the integer and embodiment for being polarized light path
Light path designs of the Fig. 8 based on Lcos
Wherein：1- incident beams, 2- fly's-eye lenses I, 3- fly's-eye lenses II, 4-PCS, 5- lens, light after 6- shimming integers
, 7,71,72,73- optical fiber, 8,81,82,83- collimation lenses, 9-PBS, 91,92,93- internal reflectors PBS, 10,101,
102nd, 103- half-wave plates, 11- speculums, 111- interior reflective surfaces, 12,16,19-Lcos modules, 13- beam cementing prisms, 14- projection
Camera lens, 15-X Amici prisms, 17- speculums, 18- spectroscopes, 20- speculums.
Embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
Embodiment 1
As shown in Figure 2, the utility model provides a kind of laser display based on fly's-eye lens and is polarized shimming shaping dress
Put, the device include optical fiber 7, collimation lens 8, PBS9, speculum 11, half-wave plate 10, fly's-eye lens I 2, fly's-eye lens II 3 with
And lens 5；
Set on the emitting light path of optical fiber and half-wave plate 10, PBS9 is set on collimation lens 8 and PBS9, PBS9 exit facet
After the laser beam light splitting of optical fiber, speculum 11 is set in the light path of S light reflection, S light reflects on speculum 11；P
Light transmission, which is crossed after half-wave plate 10, is changed into the outgoing of S light, and fly's-eye lens I 2, fly's-eye lens II 3 and thoroughly are set gradually on emitting light path
Mirror 5；The two-way S light of reflection and outgoing injects fly's-eye lens I 2 with identical angle, through fly's-eye lens II 3 and lens 5, realizes even
Hot spot 6 behind field and integer.
Embodiment 2
As shown in figure 3, internal reflection is realized using internal reflector PBS91 interior reflective surface 111 on the basis of embodiment 1,
Instead of the speculum 11 in embodiment 1, the overall structure of device is simplified.
Embodiment 3
As shown in figure 4, optical fiber 7 is incident perpendicular to the axis direction of fly's-eye lens 2 with collimation lens 8, it is divided through PBS91, S
Light through internal reflector PBS91 reflect, be directly incident on fly's-eye lens I 2, the P light after light splitting after the internal reflection of interior reflective surface 111,
S light is converted into through half-wave plate 10, with identical angle incidence fly's-eye lens I 2.The present embodiment advantageously reduces axial light path chi
It is very little, limited suitable for different spaces.
Embodiment 4
In order to improve illumination luminous power, two fiber coupling modes can be used, as shown in figure 5, optical fiber 71, collimation lens
81st, internal reflector PBS91 and half-wave plate 101 form S light outgoing component, and two groups of S light outgoing components are centrosymmetric setting, two groups
The light beam of optical fiber is located normal on the straight line of fly's-eye lens axis direction simultaneously in S light outgoing component.
The two light beams that optical fiber 71 and 72 exports, after collimated lens 81 and 82 collimate, utilize internal reflector PBS91 and 92
It is polarized, P light is converted into S light through two panels half-wave plate 101 and 102, is irradiated to fly's-eye lens I 2 in the lump, in the S light warp after light splitting
Speculum PBS91 and 92 interior reflective surface 111 reflects, and is directly incident on fly's-eye lens I 2, real through fly's-eye lens II 3 and lens 5
Hot spot 6 after existing shimming and integer.
Embodiment 5
In order to overcome limitation of the different spaces to light path design, optical fiber can be used with collimation lens parallel to fly's-eye lens axle
The mode of line is incident, as shown in Figure 6.
Embodiment 6
As shown in Figure 7, the present embodiment uses three optical fiber incidences, the S light outgoing wherein where optical fiber 71 and optical fiber 73
Component incident angle is consistent, and optical fiber 72 is between optical fiber 71 and optical fiber 73, the S light outgoing component incidence angle where optical fiber 72
Spend and differ 180 degree with the S light outgoing component incident angle where optical fiber 71 and optical fiber 73；Optical fiber 71,72 and 73 and collimation lens
81st, 82 and 83 is incident in a manner of parallel to the axis of fly's-eye lens I 2 and II 3, and it is accurate that light beam distinguishes collimated lens 81,82 and 83
After straight, it is polarized using internal reflector PBS91,92 and 93, P light is converted into S light through three half-wave plates 101,102 and 103, one
And it is irradiated to fly's-eye lens I 2；Interior reflective surface 111 of the S light through internal reflector PBS91,92 and 93 after light splitting reflects, and directly enters
Fly's-eye lens I 2 is mapped to through fly's-eye lens II 3 and lens 5, realizes the hot spot 6 after shimming and integer.
Embodiment 7
As shown in figure 8, a kind of be based on projection display equipment of the present utility model, including shimming integer of the present utility model dress
Put part and Projection Display part.During work, LASER Light Source 71,72 through optical fiber output white laser, by collimation lens 81,
Be collimated light beam after 82 collimations, be two beam P light and two beam S light after PBS91,92 are divided, P light after wave plate 101,102,
S light is converted into, after the convergence of plus lens 5, X Amici prisms 15 are divided four beam S light beams, green glow (or feux rouges, or blue light) through anti-
After penetrating the reflection of mirror 20, incident Lcos modules 12, after the image modulation of Lcos modules 12, beam cementing prism 13 is incided；X Amici prisms
After other two kinds of light (green glow and blue light) after 15 light splitting are reflected through speculum 17, and spectroscope 18 is divided, it is respectively radiated to
Lcos modules 16,19, after Lcos modules 16,19 image modulations, beam cementing prism 13 is incided, realize and project through projection lens 14
Display.
Device by incidence natural light it is efficient be converted to fixed polarization state, through X mirrors and spectroscope be divided into it is red,
Green, Lan Sanlu light incides the modulation that light is carried out in respective Lcos, finally realizes the output of image.
In summary, preferred embodiment of the present utility model is these are only, is not intended to limit of the present utility model
Protection domain.All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc., all should be wrapped
It is contained within the scope of protection of the utility model.
Claims (8)
1. a kind of laser display based on fly's-eye lens is polarized shimming apparatus for shaping, it is characterised in that the device includes optical fiber, standard
Straight lens, PBS, speculum, half-wave plate, fly's-eye lens I, fly's-eye lens II and lens；
Collimation lens and PBS are set gradually on the emitting light path of the optical fiber, half-wave plate is set on PBS exit facet, PBS is by light
After fine laser beam light splitting, speculum is set in the light path of S light reflection, S light reflects on the mirror；P light transmission mistakes
It is changed into the outgoing of S light after half-wave plate, fly's-eye lens I, fly's-eye lens II and lens is set gradually on emitting light path；Reflection and outgoing
Two-way S light with identical angle incidence fly's-eye lens I, through fly's-eye lens II and lens, realize the hot spot after shimming and integer.
2. the laser display based on fly's-eye lens is polarized shimming apparatus for shaping as claimed in claim 1, it is characterised in that utilizes
Internal reflector PBS replaces the combination of PBS and speculum.
3. the laser display based on fly's-eye lens is polarized shimming apparatus for shaping as claimed in claim 1, it is characterised in that passes through
Realize the output of P light in the position for changing half-wave plate.
4. the laser display based on fly's-eye lens is polarized shimming apparatus for shaping as claimed in claim 2, it is characterised in that described
Optical fiber is set with collimation lens perpendicular to fly's-eye lens axis direction, and half-wave plate is arranged on internal reflector PBS reflected light outgoing
On face.
5. the laser display based on fly's-eye lens is polarized shimming apparatus for shaping as claimed in claim 2, it is characterised in that described
Optical fiber, collimation lens, internal reflector PBS and half wave plate group are emitted component into S light, and two groups of S light outgoing components are centrosymmetric and set
Put, the light beam of optical fiber is located normal on the straight line of fly's-eye lens axis direction simultaneously in two groups of S light outgoing components.
6. the laser display based on fly's-eye lens is polarized shimming apparatus for shaping as claimed in claim 2, it is characterised in that alignment
Collimated light beam is used during straight lens input, collimated light beam to optical fiber output beam collimation or uses space parallel using collimation lens
Light beam is directly inputted to realize.
7. the laser display based on fly's-eye lens as described in claim 5 or 6 is polarized shimming apparatus for shaping, it is characterised in that
Using multifiber, a variety of incident angle modes realize shimming integer and are polarized function.
8. the laser display based on fly's-eye lens is polarized shimming apparatus for shaping as claimed in claim 7, it is characterised in that
Diffusion sheet is placed before PBS between incident light position or PBS and compound eye lens group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720447314.5U CN206906709U (en) | 2017-04-26 | 2017-04-26 | A kind of laser display based on fly's-eye lens is polarized shimming apparatus for shaping |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720447314.5U CN206906709U (en) | 2017-04-26 | 2017-04-26 | A kind of laser display based on fly's-eye lens is polarized shimming apparatus for shaping |
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| Publication Number | Publication Date |
|---|---|
| CN206906709U true CN206906709U (en) | 2018-01-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918921A (en) * | 2017-04-26 | 2017-07-04 | 北京镭创高科光电科技有限公司 | A kind of laser display based on fly's-eye lens is polarized shimming apparatus for shaping |
-
2017
- 2017-04-26 CN CN201720447314.5U patent/CN206906709U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918921A (en) * | 2017-04-26 | 2017-07-04 | 北京镭创高科光电科技有限公司 | A kind of laser display based on fly's-eye lens is polarized shimming apparatus for shaping |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 301, 3rd Floor, Building 28, 18th Courtyard, Kechuang 13th Street, Beijing Economic and Technological Development Zone, Tongzhou District, Beijing, 100176 Patentee after: Jiangsu radium Technology Co.,Ltd. Address before: Room 301, 3rd Floor, Building 28, 18th Courtyard, Kechuang 13th Street, Beijing Economic and Technological Development Zone, Tongzhou District, Beijing, 100176 Patentee before: BEIJING LITRONICS OPTOELECTRONICS TECHNOLOGY CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: Room 401, room 402, building 1, Zone C, industrial square, science and Technology City, 588 Wutaishan Road, high tech Zone, Suzhou City, Jiangsu Province, 215000 Patentee after: Jiangsu radium Technology Co.,Ltd. Address before: Room 301, 3rd Floor, Building 28, 18th Courtyard, Kechuang 13th Street, Beijing Economic and Technological Development Zone, Tongzhou District, Beijing, 100176 Patentee before: Jiangsu radium Technology Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |