CN109029712A - A kind of optical path beam splitting modulating device - Google Patents
A kind of optical path beam splitting modulating device Download PDFInfo
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- CN109029712A CN109029712A CN201810797518.0A CN201810797518A CN109029712A CN 109029712 A CN109029712 A CN 109029712A CN 201810797518 A CN201810797518 A CN 201810797518A CN 109029712 A CN109029712 A CN 109029712A
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- light
- beam splitting
- optical path
- parallel rays
- modulating
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
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- General Physics & Mathematics (AREA)
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Abstract
The present invention provides a kind of optical path beam splitting modulating devices, including light source, monochromator, colimated light system and the beam splitting arrangement set gradually along light transmission direction, the light that light source generates, it is transferred to monochromator and forms the light of single wavelength after monochromator, the light of the single wavelength forms uniform parallel rays after being transferred to colimated light system and collimated system, and the parallel rays is transferred to beam splitting arrangement and is split；Wherein, the beam splitting arrangement includes modulating fan, the modulating fan and the parallel rays are arranged in predetermined angle, are converted into the parallel rays to modulate light along the first of the parallel rays direction of transfer and modulate light in the second of predetermined angle with the parallel rays.Optical path difference and light shaft offset are reduced or eliminated, luminous energy loss is reduced, improves optical energy transmission efficiency.Especially in ultraviolet-visible light scaling system, act on more obvious.
Description
Technical field
The present invention relates to optical radiations to calibrate field, in particular to a kind of optical path beam splitting modulating device.
Background technique
In optical radiation calibration field, traditional optical path beam splitting modulating device, generally use transmission-type Amici prism or
Person's light-radiating lens are divided to realize；These traditional light-splitting methods, light splitting is convenient, can be good at being applied to visible-infrared waves
Section.But transmission-type Amici prism and light-radiating lens are split modulation, can introduce optical path difference and light shaft offset；When its use exists
When the beam splitting modulation of Infrared-Visible wave band, influence is smaller, but for ultraviolet band, is affected.Transmission or scattering can bands
Carry out great luminous energy loss, reduces optical energy transmission efficiency.
Summary of the invention
The present invention is directed at least solve one of above-mentioned technical problem, providing one kind can reduce luminous energy consumption, improves luminous energy
The optical path beam splitting modulating device of efficiency of transmission.
To achieve the above object, the invention adopts the following technical scheme:
The present invention provides a kind of optical path beam splitting modulating devices, including light source, the list set gradually along light transmission direction
Color instrument, colimated light system and beam splitting arrangement, the light that light source generates are transferred to monochromator and form the light of single wavelength after monochromator
Line, the light of the single wavelength forms uniform parallel rays after being transferred to colimated light system and collimated system, described parallel
Light is transferred to beam splitting arrangement and is split；Wherein, the beam splitting arrangement includes modulating fan, the modulating fan and the directional light
Line in predetermined angle be arranged, by the parallel rays be converted into along the parallel rays direction of transfer first modulate light and with
The parallel rays modulates light in the second of predetermined angle.
In some embodiments, the modulating fan is four fan leaf type modulating fans.
In some embodiments, the predetermined angle is 45 ° of angles.
In some embodiments, the beam splitting arrangement includes the driving motor for driving the modulating fan rotation.
In some embodiments, setting is for adjusting the mouth of the first modulation light in the optical path of the first modulation light
First adjustable diaphragm of diameter；The bore for adjusting the second modulation light is provided in the optical path of the second modulation light
The second adjustable diaphragm.
In some embodiments, it is provided with optocoupler sensor, the optocoupler sensor is used to detect the revolving speed of the modulating fan.
In some embodiments, the colimated light system is reflected light beams colimated light system.
In some embodiments, the light source is deuterium lamp.
In some embodiments, the driving motor is DC brushless motor.
The beneficial effects of the present invention are: in optical path beam splitting modulating device, optical path beam splitting modulation is carried out using modulating fan,
The modulating fan and parallel rays are arranged in predetermined angle, and parallel rays is converted into first along the parallel rays direction of transfer
Modulate light and the second modulation light with parallel rays in predetermined angle；Optical path difference and light shaft offset are reduced or eliminated, is reduced
Luminous energy loss, improves optical energy transmission efficiency.Especially in ultraviolet-visible light scaling system, act on more obvious.
Detailed description of the invention
Fig. 1 is the overall structure diagram of optical path beam splitting modulating device in one embodiment of the invention.
Appended drawing reference:
Light source 10；Monochromator 20；Colimated light system 30；Modulating fan 40；Optocoupler sensor 50；Driving motor 60；First is adjustable
Diaphragm 71；Second adjustable diaphragm 72；First optical path 81；Second optical path 82.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
The instructions such as " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside"
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
Optical path beam splitting modulating device provided by the invention is elaborated below in conjunction with attached drawing 1.
As shown in Figure 1, disclosing a kind of optical path beam splitting modulating device, including along light in one embodiment of the present of invention
Light source 10, monochromator 20, colimated light system 30 and the beam splitting arrangement that transmission direction is set gradually, the light that light source 10 generates, are transferred to
Monochromator 20 and the light that single wavelength is formed after monochromator 20, the light of above-mentioned single wavelength are transferred to colimated light system 30 simultaneously
Uniform parallel rays is formed after collimated system 30, parallel rays is transferred to beam splitting arrangement and is split, and parallel rays is turned
Change the first modulation light and the second modulation light into.
Wherein, beam splitting arrangement includes that modulating fan 40, modulating fan 40 and parallel rays are arranged in predetermined angle, by parallel rays
It is converted into the second modulation light along the first modulation light of the parallel rays direction of transfer and with parallel rays in predetermined angle
Line.
In above-mentioned optical path beam splitting modulating device, optical path beam splitting modulation is carried out using modulating fan 40, the modulating fan 40 and flat
Row light in predetermined angle be arranged, by parallel rays be converted into along the parallel rays direction of transfer first modulate light and with
Parallel rays modulates light in the second of predetermined angle；Optical path difference and light shaft offset are reduced or eliminated, luminous energy loss is reduced, improves
Optical energy transmission efficiency.Especially in ultraviolet-visible light scaling system, act on more obvious.
Monochromator 20 is that monochromatic component is generated in spectral instrument.The structure phase of monochromator 20 and spectrum spectrograph
It seemingly, is the electromagnetic radiation that some column narrow bands are isolated from broadband radiation beam.It replaces spectrograph with exit slit
Photographic plate on focal plane.Monochromator 20 can be prism monochromator 20 and grating monochromator 20, in the above embodiment of the present invention,
It can choose prism monochromator 20 or grating monochromator 20,.
When the entrance slit that a branch of combining light (such as light of deuterium lamp sending) enters monochromator 20, monochromator can be passed through
20 obtain the incident light of single wavelength；At this point, any single wave in combining light may be implemented by process control in monochromator 20
Long spectrum output, such as the ultraviolet-visible optical band that deuterium lamp issues, can be adjusted to the light of single wavelength by monochromator 20
Line.
Colimated light system 30 is used to the light for the single wavelength that the transmitting of monochromator 20 comes being adjusted to uniform parallel rays, should
Parallel rays is split through beam device again, obtains desired light.
It include modulating fan 40 in above-mentioned beam device, the parallel rays that modulating fan 40 and colimated light system 30 export is in pre- clamp
Parallel rays is converted into modulating light and with parallel rays in predetermined along the first of the parallel rays direction of transfer by angle setting
Second modulation light of angle, and then make optical path beam splitting.
More specifically, modulating fan 40 includes spaced multiple reflecting surface flabellums, as shown in Figure 1, working as reflecting surface flabellum
When rotating to the institute of parallel rays in the optical path, parallel rays is reflected, so that parallel rays becomes with it in pre- clamp
The second modulation light at angle；And the position between two neighboring reflecting surface flabellum is rotated to when modulating fan 40, this position at this time
With parallel rays to it is corresponding when parallel rays can be projected in the accessible gap between two neighboring reflecting surface flabellum, no
Direction of transfer can be changed by modulating fan 40, be formed and the consistent first modulation light in parallel rays direction.
In some embodiments, preferably the parallel rays of the reflecting surface of modulating fan 40 and colimated light system 30 is arranged in 45 ° of angles,
I.e. predetermined angle is 45 ° of angles；In this way, parallel rays can be converted into the first modulation along the parallel rays direction of transfer
Light and with parallel rays in the second modulation light of 90 ° of angles, i.e., the first modulation light and the second modulation light are vertical.
As described in Figure 1, parallel rays is the light of horizontal direction, and the first modulation light also transmits in the horizontal direction；At this point,
When the reflecting surface of modulating fan 40 and horizontal direction are in 45 ° of angles, the second modulation light can be vertical with horizontal direction, i.e., and first
Modulation light is horizontal direction, and the second modulation light is the vertical direction with the first modulation light in 90 ° of angles.
In some embodiments, modulating fan 40 is four fan leaf type modulating fans 40, is being rotated by four flabellum modulating fans 40
Semi-transparent semi-reflecting form in journey realizes optical path beam splitting, is carried out by the high-speed rotation of four fan leaf type modulating fans 40 to beam splitting optical path
Modulation, so that optical path is uniform and stable.
In some embodiments of the invention, beam splitting arrangement further includes the driving motor for driving modulating fan 40 to rotate
60, preferred driving motor 60 is DC brushless motor.The driving motor 60 drives modulating fan 40 to rotate, and can pass through
The output power for adjusting driving motor 60, to realize the control to 40 revolving speed of modulating fan, and then makes two-way by high frequency modulated
Beam uniformity.
As shown in Figure 1, setting can for adjusting the first of the bore that first modulates light in the optical path of the first modulation light
Light modulation door screen 71, second modulates the second adjustable diaphragm that the bore for adjusting the second modulation light is provided in the optical path of light
72.More specifically, as shown in Figure 1, being provided with the first adjustable diaphragm 71 in the first optical path 81, the first adjustable diaphragm 71 is for adjusting
The bore of first modulation light；It is provided with the second adjustable diaphragm 72 in second optical path 82, the second adjustable diaphragm 72 is for adjusting the
The bore of two modulation light.
In one embodiment of the invention, it in order to preferably control the output power of driving motor 60, and then adjusts and adjusts
System fans 40 revolving speed, is provided with optocoupler sensor 50 in optical path beam splitting modulating device, and the optocoupler sensor 50 is for detecting modulation
The revolving speed of fan 40, and it is corresponding to do it with requirement, when needed, the modulating fan 40 that optocoupler sensor 50 will test turns
Speed feeds back to the control mechanism of driving motor 60, controls the output power of driving motor 60, and then adjust the revolving speed of modulating fan 40,
Comply with requirement.
In one embodiment of the present of invention, colimated light system 30 selects reflected light beams colimated light system 30, reflective by this
The light that monochromator 20 exports is converted into uniform collimated light beam by passing through a collimating system 30, both ensure that scaling system inputs
The wavelength unicity of light source 10, and the utilization rate of 10 energy of light source is improved, be conducive to the calibration precision for improving scaling system.
A preferred embodiment of the invention summarizes, the optical path beam splitting modulating device provided, for ultraviolet-visible light calibration system
In system.Optical path beam splitting modulating device is made of light source 10, monochromator 20, colimated light system 30, debugging fan and driving motor 60, is used
For deuterium lamp as the ultraviolet lighting source 10 to visible light wave range, the light that light source 10 issues obtains single wavelength by monochromator 20
Incident light is become uniform parallel by reflective colimated light system 30 by the slit emergent light of 10 incident light of point light source, monochromator 20
Light beam is split or modulates to optical path using reflective 40 beam splitting system of modulating fan of four flabellums, passes through the rotation of modulating fan 40
Make light beam through modulating fan 40 or reflected, to form 82 two orthogonal light of the first optical path 81 and the second optical path
Road；Two-beam crossing diameter can be adjusted by the first adjustable diaphragm 71 and the second adjustable diaphragm 72.Modulating fan 40 passes through straight
It flows brushless motor to drive, modulating frequency is greater than 90Hz, so that light beam is divided into two bundles orthogonal uniform light.
There is provided 10 incident light of point light source of single wavelength by deuterium lamp and monochromator 20 for system, and wavelength it is ultraviolet-
It is adjustable in visible light wave segment limit, it can satisfy the calibration requirement of scaling system different wave length.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective
In the case where can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.
Claims (9)
1. a kind of optical path beam splitting modulating device, including set gradually along light transmission direction light source, monochromator, colimated light system and
Beam splitting arrangement, the light that light source generates are transferred to monochromator and form the light of single wavelength, the single wavelength after monochromator
Light be transferred to after colimated light system and collimated system and form uniform parallel rays, the parallel rays is transferred to beam splitting dress
It sets and is split；It is characterized in that, the beam splitting arrangement includes modulating fan, the modulating fan and the parallel rays are in pre- clamp
Angle setting, by the parallel rays be converted into along the parallel rays direction of transfer first modulate light and with the directional light
Line modulates light in the second of predetermined angle.
2. optical path beam splitting modulating device according to claim 1, which is characterized in that the modulating fan is the modulation of four fan leaf types
Fan.
3. optical path beam splitting modulating device according to claim 1 or 2, which is characterized in that the predetermined angle is 45 ° of folders
Angle.
4. optical path beam splitting modulating device according to claim 1, which is characterized in that the beam splitting arrangement includes for driving
The driving motor of the modulating fan rotation.
5. optical path beam splitting modulating device according to claim 1, which is characterized in that in the optical path of the first modulation light
First adjustable diaphragm of the bore for adjusting the first modulation light is set；It is arranged in the optical path of the second modulation light
There is the second adjustable diaphragm of the bore for adjusting the second modulation light.
6. optical path beam splitting modulating device according to claim 1, which is characterized in that be provided with optocoupler sensor, the light
Coupling sensor is used to detect the revolving speed of the modulating fan.
7. optical path beam splitting modulating device according to claim 1, which is characterized in that the colimated light system is reflected light beams
Colimated light system.
8. optical path beam splitting modulating device according to claim 1, which is characterized in that the light source is deuterium lamp.
9. optical path beam splitting modulating device according to claim 4, which is characterized in that the driving motor is brush DC electricity
Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810797518.0A CN109029712A (en) | 2018-07-19 | 2018-07-19 | A kind of optical path beam splitting modulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810797518.0A CN109029712A (en) | 2018-07-19 | 2018-07-19 | A kind of optical path beam splitting modulating device |
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| Publication Number | Publication Date |
|---|---|
| CN109029712A true CN109029712A (en) | 2018-12-18 |
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| CN201810797518.0A Pending CN109029712A (en) | 2018-07-19 | 2018-07-19 | A kind of optical path beam splitting modulating device |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101201319A (en) * | 2007-11-30 | 2008-06-18 | 中国计量学院 | Near Infrared Spectrometer |
| CN101937161A (en) * | 2009-06-30 | 2011-01-05 | 卡西欧计算机株式会社 | Light source device and projector |
| CN205067865U (en) * | 2014-12-30 | 2016-03-02 | 中国科学院西安光学精密机械研究所 | Outdoor scene splicing device and pitching splicing device based on refrigeration type infrared system |
-
2018
- 2018-07-19 CN CN201810797518.0A patent/CN109029712A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101201319A (en) * | 2007-11-30 | 2008-06-18 | 中国计量学院 | Near Infrared Spectrometer |
| CN101937161A (en) * | 2009-06-30 | 2011-01-05 | 卡西欧计算机株式会社 | Light source device and projector |
| CN205067865U (en) * | 2014-12-30 | 2016-03-02 | 中国科学院西安光学精密机械研究所 | Outdoor scene splicing device and pitching splicing device based on refrigeration type infrared system |
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Application publication date: 20181218 |