CN108427189A - A kind of application of compatible multichannel light path in wide-angle laser scanning optics - Google Patents
A kind of application of compatible multichannel light path in wide-angle laser scanning optics Download PDFInfo
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- CN108427189A CN108427189A CN201810466724.3A CN201810466724A CN108427189A CN 108427189 A CN108427189 A CN 108427189A CN 201810466724 A CN201810466724 A CN 201810466724A CN 108427189 A CN108427189 A CN 108427189A
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- 238000005516 engineering process Methods 0.000 description 3
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/08—Catadioptric systems
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/10—Scanning systems
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Abstract
The invention discloses a kind of application of compatible multichannel light path in wide-angle laser scanning optics, are related to optical technical field.Including zoom system, pancreatic system, it is placed with beam system on the left of the zoom system, pancreatic system, zoom system, pancreatic system includes the first focus, first lens, first semi-transparent semi-reflecting lens, hollow reflective mirror, second semi-transparent semi-reflecting lens, second lens and the second focus, the front focus of first lens is the first focus, the first semi-transparent semi-reflecting lens are placed on the right side of first lens, it is placed with hollow reflective mirror on the right side of first semi-transparent semi-reflecting light microscopic, the second semi-transparent semi-reflecting light microscopic is placed on the right side of hollow reflective mirror, the intersection of the rear focus of first semi-transparent semi-reflecting light microscopic and the second semi-transparent semi-reflecting light microscopic front focus is confocal point.The beam splitting device of all different function light paths, integrally can disposably be inserted into, ensure that the coaxiality of light path is more prone to by the application of the compatible multichannel light path in wide-angle laser scanning optics, reduce later stage assembly and debugging difficulty.
Description
Technical field
The present invention relates to optical technical field, specially a kind of compatible multichannel light path scans optical system in wide-angle laser
Application in system.
Background technology
Optics makes the important branch subject of physics, and with the relevant subject of optical engineering technology, for narrow sense, optics
It is about light and the science depending on seeing, optics words early stage is served only for eyes and depending on seeing the things being associated, and what today was often said
Optics is broad sense, makes research from microwave, infrared ray, visible light, ultraviolet light until X-ray and gamma-ray broad wavelength band
Generation, propagation, reception and the display of interior electromagnetic radiation, and the science with matter interaction, the range studied emphatically make
From infrared to ultraviolet band.
In optical scanning system, it usually needs integrated multipath structure carries out multi-modality imaging, and most typical application is
The optical front-end of OCT systems, a set of OCT systems usually requires integrated OCT tomoscans, fundus imaging, watches target and eyeground attentively
The multiplex opticals structures such as illumination, since systems most needs to use short focal length lens, space is limited therefore existing between lens
Most of scheme is that these optical textures are assigned into the different location of main optical path respectively, although can also realize complete function,
But system design, difficulty of processing can be increased, on the functional parameters such as linkage zoom, multichannel alignment alignment, technology difficulty can be increased
Or ease for use is reduced, for this purpose, we providing a kind of compatible multichannel light path answering in wide-angle laser scanning optics
For solving the problems, such as this.
Invention content
The purpose of the present invention is exactly in order to make up for the deficiencies of the prior art, to provide a kind of compatible multichannel light path at big angle
The application in laser scanning optical system is spent, there is coaxiality of light path to be more prone to for it, reduce later stage assembly, debugging difficulty
Advantage, assembly, debugging difficulty are larger when solving existing scheme production, the larger problem of linkage zoom design difficulty.
The present invention is in order to solve the above technical problems, provide the following technical solutions：A kind of compatible multichannel light path is in wide-angle
Application in laser scanning optical system, including zoom system, pancreatic system are placed with beam system, the change on the left of the zoom system, pancreatic system
Burnt system includes the first focus, the first lens, the first semi-transparent semi-reflecting lens, hollow reflective mirror, the second semi-transparent semi-reflecting lens, the second lens
Front focus with the second focus, first lens is the first focus, and first semi-transparent half is placed on the right side of first lens
Anti- mirror is placed with hollow reflective mirror on the right side of the first semi-transparent semi-reflecting light microscopic, is placed on the right side of the hollow reflective mirror
Two semi-transparent semi-reflecting light microscopics, the rear focus of the first semi-transparent semi-reflecting light microscopic and the intersection of the second semi-transparent semi-reflecting light microscopic front focus are
It is confocal, the second lens are placed on the right side of the second semi-transparent semi-reflecting light microscopic, the rear focus of second lens is second burnt
Point.
The beam system includes the first light beam, the second light beam, third light beam, the 4th light beam, the 5th light beam and the 6th light
Beam, first light beam export the second light beam after passing through the first lens, and second light beam passes through the first semi-transparent semi-reflecting light microscopic defeated
Go out third light beam, the rear focus that the third light beam passes through one end of the first semi-permeable and semi-reflecting mirror to converge in semi-transparent semi-reflecting light microscopic is total
Focal point, the third light beam pass through hollow reflective mirror to export the 4th light beam, and the 4th light beam passes through the second semi-transparent semi-reflecting light
Mirror exports the 5th light beam, and the 5th light beam passes through the second lens to export the 6th light beam, and the 6th light beam passes through the second lens
One end converge in second the second focus of lens.
Further, the focal length between first lens and the first focus is short focal length lens used in tradition OTC
1.5 times of focal length or smaller, the focal length between second lens and the second focus are short focal length lens used in tradition OTC
1.5 times of focal length or smaller.
It by using above-mentioned technical proposal, can make in light source direct projection to the first lens, avoid, because focal length is excessive, leading to light
The light that source projects excessively disperses, and influences whole using effect.
Further, the focal length between focus is short focal length lens coke used in tradition OTC to first lens together
Away from 3 times, the focal length between focus is 3 times of short focal length lens focal length used in tradition OTC to second lens together.
By using above-mentioned technical proposal, make theoretically just to have reserved at least 6 times between the first lens and the second lens
The space length of focal length so that reserve enough spaces between the first lens and the second lens, be convenient for all different function light
The beam splitting device on road is disposably inserted into, and ensures that the coaxiality of light path is more prone to, and reduces later stage assembly, debugging difficulty, later stage dress
Match, debugging difficulty reduces.
Further, first lens and the second lens are located at same level height, the center line of first lens
It is located at sustained height with the center line of the second lens.
By using above-mentioned technical proposal, the first focus can effectively be kept to be located at same level height with the second focus,
It works convenient for subsequent use, reduces later stage debugging difficulty.
Compared with prior art, the application of the compatible multichannel light path in wide-angle laser scanning optics have as
Lower advantageous effect：
1, the present invention is short focal length lens focal length used in tradition OTC by the focal length between the first lens together focus
3 times, the second lens together the focal length between focus be short focal length lens focal length used in tradition OTC 3 times of setting, make
The space length of at least 6 times focal lengths is theoretically just reserved between first lens and the second lens so that the first lens and
Enough spaces are reserved between two lens, convenient for the beam splitting device of all different function light paths to be disposably inserted into, ensure light path
Coaxiality be more prone to, reduce the later stage assembly, debugging difficulty.
2, the present invention is that short focal length lens used in tradition OTC is burnt by the focal length between the first lens and the first focus
Away from 1.5 times or smaller setting, can make in light source direct projection to the first lens, avoid, because focal length is excessive, leading to light source projects
The light gone out excessively disperses, and influences whole using effect, is located at same level height by first lens and the second lens,
The center line of the center line of first lens and the second lens is located at the setting of sustained height, can effectively keep the first focus and the
Two focuses are located at same level height, work convenient for subsequent use, reduce later stage debugging difficulty, enable its entirety that will own
The beam splitting device of different function light path is disposably inserted into, and ensures that the coaxiality of light path is more prone to, and reduces later stage assembly and debugging
Difficulty.
Description of the drawings
Fig. 1 is that present system arranges organigram；
Fig. 2 is the first lens functions schematic diagram of the invention；
Fig. 3 is the second lens functions schematic diagram of the invention.
In figure：1- zoom system, pancreatic systems, the first focuses of 101-, the first lens of 102-, the first semi-transparent semi-reflecting light microscopics of 103-, in 104-
Empty speculum, the confocal points of 105-, the second semi-transparent semi-reflecting light microscopics of 106-, the second lens of 107-, the second focuses of 108-, 2- light beams system
System, the first light beams of 201-, the second light beams of 202-, 203- third light beams, the 4th light beams of 204-, the 5th light beams of 205-, 206- the 6th
Light beam.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of compatible multichannel light path is scanned in wide-angle laser
Application in optical system, including zoom system, pancreatic system 1, the left side of zoom system, pancreatic system 1 are placed with beam system 2, and zoom system, pancreatic system 1 includes the
One focus 101, the first lens 102, the first semi-transparent semi-reflecting lens 103, hollow reflective mirror 104, the second semi-transparent semi-reflecting lens 106, second
The front focus of lens 107 and the second focus 108, the first lens 102 is the first focus 101, and the right side of the first lens 102 is placed with
The right side of first semi-transparent semi-reflecting lens 103, the first semi-transparent semi-reflecting light microscopic 103 is placed with hollow reflective mirror 104, hollow reflective mirror 104
Right side be placed with the second semi-transparent semi-reflecting light microscopic 106, the rear focus of the first semi-transparent semi-reflecting light microscopic 103 and the second semi-transparent semi-reflecting light microscopic
The intersection of 106 front focus is confocal point 105, and the right side of the second semi-transparent semi-reflecting light microscopic 106 is placed with the second lens 107, second
The rear focus of lens 107 is the second focus 108.
Beam system 2 includes the first light beam 201, the second light beam 202, third light beam 203, the 4th light beam 204, the 5th light beam
205 and the 6th light beam 206, the first light beam 201 export the second light beam 202 after passing through the first lens 102, the second light beam 202 passes through
First semi-transparent semi-reflecting light microscopic 103 exports third light beam 203, and third light beam 203 passes through one end of the first semi-permeable and semi-reflecting mirror to converge
At the confocal point of rear focus 105 of semi-transparent semi-reflecting light microscopic 103, third light beam 203 passes through hollow reflective mirror 104 to export the 4th light beam
204, the 4th light beam 204 passes through the second semi-transparent semi-reflecting light microscopic 106 to export the 5th light beam 205, and the 5th light beam 205 passes through the second lens
107 the 6th light beams 206 of output, the 6th light beam 206 pass through one end of the second lens 107 to converge in 107 second focus of the second lens
108。
Further, the focal length between the first lens 102 and the first focus 101 is that short focus used in tradition OTC is saturating
1.5 times of mirror focal length or smaller, the focal length between the second lens 107 and the second focus 108 are short focus used in tradition OTC
1.5 times of the focal length of lens or smaller can make in light source direct projection to the first lens 102, avoid, because focal length is excessive, light source being caused to be thrown
The light of injection excessively disperses, and influences whole using effect.
Further, the focal length between focus 105 is short focal length lens used in tradition OTC to the first lens 102 together
3 times of focal length, the focal length between focus 105 is 3 of short focal length lens focal length used in tradition OTC to the second lens 107 together
Times, make the space length that at least 6 times focal lengths have theoretically just been reserved between the first lens 102 and the second lens 107 so that the
Enough spaces are reserved between one lens 102 and the second lens 107, convenient for the beam splitting device of all different function light paths is primary
Property be inserted into, ensure that the coaxiality of light path is more prone to, reduce the later stage assembly, debugging difficulty, the later stage assembly, debugging difficulty reduce.
Further, the first lens 102 and the second lens 107 are located at same level height, the center line of the first lens 102
It is located at sustained height with the center line of the second lens 107, can effectively keeps the first focus 101 and the second focus 108 to be located at same
One level height works convenient for subsequent use, reduces later stage debugging difficulty.
Operation principle：Focal length between first lens 102 and the first focus 101 is short used in tradition OTC by we
1.5 times of focal length lenses focal length or smaller, the focal length between the second lens 107 and the second focus 108 are used in tradition OTC
1.5 times of short focal length lens focal length or smaller so that focal length of first lens 102 together between focus 105 is made by tradition OTC
3 times of short focal length lens focal length, the focal length between focus 105 is short focus used in tradition OTC to the second lens 107 together
3 times away from the focal length of lens, the space length of at least 6 times focal lengths is theoretically just reserved between the two lens in this way, in this way
So that reserving enough spaces between the first lens 102 and the second lens 107, it is convenient for the beam splitter of all different function light paths
Part is disposably inserted into, and ensures that the coaxiality of light path is more prone to, and reduces later stage assembly, debugging difficulty.
In the description of the present invention, the terms "include", "comprise" or its any other variant are intended to nonexcludability
Include so that including a series of elements process, method, article or equipment not only include those elements, but also
Including other elements that are not explicitly listed, or further include for this process, method, article or equipment intrinsic want
Element.In the absence of more restrictions, the element limited by sentence " including a reference structure ", it is not excluded that including institute
State in the process, method, article or equipment of element that there is also other identical elements.It should be noted that herein, it is all
As the relational terms of " first ", " second " or the like are used merely to an entity or operation and another entity or operating space
It separates, without necessarily requiring or implying between these entities or operation, there are any actual relationship or orders.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of application of compatible multichannel light path in wide-angle laser scanning optics, including zoom system, pancreatic system (1), special
Sign is：Beam system (2) is placed on the left of the zoom system, pancreatic system (1), the zoom system, pancreatic system (1) includes the first focus
(101), the first lens (102), the first semi-transparent semi-reflecting lens (103), hollow reflective mirror (104), the second semi-transparent semi-reflecting lens (106),
Second lens (107) and the second focus (108), the front focus of first lens (102) are the first focus (101), described the
It is placed with the first semi-transparent semi-reflecting lens (103) on the right side of one lens (102), is put on the right side of the first semi-transparent semi-reflecting light microscopic (103)
It is equipped with hollow reflective mirror (104), the second semi-transparent semi-reflecting light microscopic (106) is placed on the right side of the hollow reflective mirror (104), it is described
The intersection of the rear focus of first semi-transparent semi-reflecting light microscopic (103) and the second semi-transparent semi-reflecting light microscopic (106) front focus is confocal point
(105), the second lens (107) are placed on the right side of the described second semi-transparent semi-reflecting light microscopic (106), second lens (107)
Focus is the second focus (108) afterwards；
The beam system (2) includes the first light beam (201), the second light beam (202), third light beam (203), the 4th light beam
(204), the 5th light beam (205) and the 6th light beam (206), first light beam (201) export afterwards across the first lens (102)
Two light beams (202), second light beam (202) passes through the first semi-transparent semi-reflecting light microscopic (103) output third light beam (203), described
Third light beam (203) converges in the confocal point of rear focus of semi-transparent semi-reflecting light microscopic (103) across one end of the first semi-permeable and semi-reflecting mirror
(105) at, the third light beam (203) passes through hollow reflective mirror (104) to export the 4th light beam (204), the 4th light beam
(204) the second semi-transparent semi-reflecting light microscopic (106) is passed through to export the 5th light beam (205), the 5th light beam (205) passes through the second lens
(107) the 6th light beam (206) is exported, the 6th light beam (206) passes through one end of the second lens (107) to converge in the second lens
(107) second focuses (108).
2. a kind of application of the compatible multichannel light path according to claim 1 in wide-angle laser scanning optics,
It is characterized in that：Focal length between first lens (102) and the first focus (101) is short focus used in tradition OTC
1.5 times of the focal length of lens or smaller, the focal length between second lens (107) and the second focus (108) are made by tradition OTC
1.5 times of short focal length lens focal length or smaller.
3. a kind of application of the compatible multichannel light path according to claim 1 in wide-angle laser scanning optics,
It is characterized in that：The focal length between focus (105) is that short focus used in tradition OTC is saturating to first lens (102) together
3 times of mirror focal length, the focal length between focus (105) is that short focus used in tradition OTC is saturating to second lens (107) together
3 times of mirror focal length.
4. a kind of application of the compatible multichannel light path according to claim 1 in wide-angle laser scanning optics,
It is characterized in that：First lens (102) are located at same level height, first lens (102) with the second lens (107)
Center line and the center lines of the second lens (107) be located at sustained height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810466724.3A CN108427189B (en) | 2018-05-16 | 2018-05-16 | Application of compatible multipath light path in large-angle laser scanning optical system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810466724.3A CN108427189B (en) | 2018-05-16 | 2018-05-16 | Application of compatible multipath light path in large-angle laser scanning optical system |
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| Publication Number | Publication Date |
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| CN108427189A true CN108427189A (en) | 2018-08-21 |
| CN108427189B CN108427189B (en) | 2023-12-08 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101499624A (en) * | 2009-03-06 | 2009-08-05 | 中国科学院上海光学精密机械研究所 | Optical fiber coupling outputting vertical cavity surface emitting semiconductor laser device |
| CN102354046A (en) * | 2011-07-04 | 2012-02-15 | 上海理工大学 | Method for realizing multichannel frequency division multiplexing fluorescence confocal microscopic imaging technique |
| JP2014025899A (en) * | 2012-07-30 | 2014-02-06 | Nobuhiko Sasaki | Measuring method for amount of substance in tissue and measuring device therefor |
| CN208255519U (en) * | 2018-05-16 | 2018-12-18 | 北京图湃影像科技有限公司 | A kind of wide-angle laser scanning optics of compatible multichannel optical path |
-
2018
- 2018-05-16 CN CN201810466724.3A patent/CN108427189B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101499624A (en) * | 2009-03-06 | 2009-08-05 | 中国科学院上海光学精密机械研究所 | Optical fiber coupling outputting vertical cavity surface emitting semiconductor laser device |
| CN102354046A (en) * | 2011-07-04 | 2012-02-15 | 上海理工大学 | Method for realizing multichannel frequency division multiplexing fluorescence confocal microscopic imaging technique |
| JP2014025899A (en) * | 2012-07-30 | 2014-02-06 | Nobuhiko Sasaki | Measuring method for amount of substance in tissue and measuring device therefor |
| CN208255519U (en) * | 2018-05-16 | 2018-12-18 | 北京图湃影像科技有限公司 | A kind of wide-angle laser scanning optics of compatible multichannel optical path |
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| CN108427189B (en) | 2023-12-08 |
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