CN106225925A - Beam splitter, spectrogrph - Google Patents
Beam splitter, spectrogrph Download PDFInfo
- Publication number
- CN106225925A CN106225925A CN201610648981.XA CN201610648981A CN106225925A CN 106225925 A CN106225925 A CN 106225925A CN 201610648981 A CN201610648981 A CN 201610648981A CN 106225925 A CN106225925 A CN 106225925A
- Authority
- CN
- China
- Prior art keywords
- beam splitter
- filter wheel
- spectrogrph
- light
- filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 28
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000013307 optical fiber Substances 0.000 claims description 2
- 230000013011 mating Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000000862 absorption spectrum Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000295 emission spectrum Methods 0.000 description 1
- 125000001475 halogen functional group Chemical group 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- 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
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
-
- 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
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
Abstract
The invention discloses a kind of beam splitter and apply the spectrogrph of this beam splitter, the beam splitter of the present invention includes the optical filter of filter wheel and be arranged on filter wheel more than 1；Filter wheel utilizes the optical filter of described more than 1 to realize the light splitting to incident ray by rotation, thus realizes carrying out single channel or multichannel spectrogrph light splitting, and spectroscopical effeciency is high, is effectively increased the spectroscopic behaviour of spectrogrph.
Description
Technical field
The present invention relates to optical field, be more particularly to a kind of beam splitter, spectrogrph.
Background technology
Traditional spectrogrph is to use grating that absorption spectrum or the emission spectrum of multielement are carried out light splitting, and optical grating diffraction is imitated
Rate is low, and performance is the most affected by environment, needs to seal and installs, and installs, debugs more complicated, and parameter consistency is poor.Meanwhile, light
Grid are after multiple copies, and performance also can be worse and worse.
Summary of the invention
(1) to solve the technical problem that
The technical problem to be solved in the present invention is how to improve spectroscopical effeciency and the spectrophotometric result of spectrogrph, improves spectrum
The spectroscopic behaviour of instrument.
(2) technical scheme
In order to solve above-mentioned technical problem, the invention provides a kind of beam splitter, described beam splitter include filter wheel and
The optical filter of more than 1 be arranged on filter wheel；
Described filter wheel utilizes the optical filter of described more than 1 to realize the light splitting to incident illumination by rotation.
Preferably, described beam splitter also includes motor and shaft coupling, and described motor is by described shaft coupling and described filter
Halo connects, and controls described filter wheel and rotates.
Preferably, described beam splitter also includes connecing light receiver, enters described light by the light of described filter wheel
Receptor.
Preferably, described beam splitter also includes that diaphragm, described diaphragm are arranged on described filter wheel and described light receiver
Between；Initially enter described diaphragm by the light of described filter wheel, received by described light receiver afterwards.
Preferably, described optical filter is narrow band pass filter.
Preferably, described beam splitter also includes the first focus lamp, and the optical fiber inciding described filter wheel first passes around described
First focus lamp is focused processing, and is carried out light-splitting processing by described filter wheel afterwards.
Preferably, described filter wheel is discoid, and the optical filter of described more than 1 is uniformly distributed or is non-uniformly distributed in institute
State on a circumference of filter wheel.
A kind of spectrogrph, described spectrogrph includes above-mentioned beam splitter.
Preferably, described spectrogrph also includes light source, half-reflecting half mirror, the second focus lamp and atomizer；
The light that described light source sends incides described second focus lamp after described half-reflecting half mirror and is focused, it
The described atomizer of rear entrance incides described beam splitter after processing.
Preferably, described light source includes the first light source, secondary light source and the 3rd light source；Described half-reflecting half mirror includes
One half-reflecting half mirror and the second half-reflecting half mirror.
(3) beneficial effect
The invention provides a kind of beam splitter and apply the spectrogrph of this beam splitter, the beam splitter of the present invention includes filtering
The optical filter of more than 1 taking turns and being arranged on filter wheel；Filter wheel utilizes the optical filter of described more than 1 in fact by rotation
The now light splitting to incident ray, thus realize single channel or multichannel spectrogrph are carried out light splitting, spectroscopical effeciency is high, effectively carries
The high spectroscopic behaviour of spectrogrph.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the beam splitter of the present invention；
Fig. 2 is the structural representation of the spectrogrph of the present invention.
Detailed description of the invention
With embodiment, the present invention is described in further detail below in conjunction with the accompanying drawings.Following example are used for this is described
Bright, but can not be used for limiting the scope of the present invention.
A kind of beam splitter, as it is shown in figure 1, described beam splitter includes filter wheel 6 and more than 1 be arranged on filter wheel
Optical filter；Described filter wheel utilizes the optical filter of described more than 1 to realize the light splitting to incident illumination by rotation.Described optical filtering
Sheet is narrow band pass filter, and the wavelength of the light that each optical filter can pass through is different, can select the most flexibly
Select the wavelength that each optical filter can pass through.Preferably, the number of optical filter is 7, i.e. in Fig. 1 61,62,63,64,65,66,67
Shown in, the number of optical filter can be set according to the actual needs flexibly.
Further, as in figure 2 it is shown, above-mentioned beam splitter also includes motor 10, rotated by driven by motor filter wheel 6.For
Realizing the purpose that motor 10 drives filter wheel 6 to rotate and arrange shaft coupling 9 between motor 10 and filter wheel 6, motor 10 is by connection
Axial organ 9 is connected with filter wheel 6, controls described filter wheel 6 by motor 10 and shaft coupling 9 and rotates.
Further, described beam splitter also includes connecing light receiver 8 and diaphragm 7, by the light of described filter wheel 6
Initially enter described diaphragm 7, received by described light receiver 8 afterwards.
It should be noted that, the present invention can utilize motor or other tumbler to drive filter wheel high speed rotating, do not limit
In just with electrode.Filter wheel often rotates to an angle, and receptor just detects the light of a kind of wavelength.
Further, described beam splitter also includes the first focus lamp 5, and the light inciding described filter wheel 6 first passes around
Described first focus lamp 5 is focused processing, and is carried out light-splitting processing by described filter wheel 6 afterwards.
Further, as it is shown in figure 1, described filter wheel 6 is discoid, the optical filter of described more than 1 be uniformly distributed or
It is non-uniformly distributed on a circumference of described filter wheel 6.Or optical filter is distributed in the circle of filter wheel centered by shaft coupling 9
On dish.
The beam splitter of the present invention includes filter wheel, and filter wheel utilizes the optical filter of more than 1 thereon to realize by rotation
Light splitting to incident ray, thus realize single channel or multichannel spectrogrph are carried out light splitting, spectroscopical effeciency is high, is effectively improved
The spectroscopic behaviour of spectrogrph.Wherein the narrow band pass filter of 1 on filter wheel or more than 1 is evenly distributed on filter wheel disk
On, rotate with filter wheel center of turntable for axle.
The invention also discloses a kind of spectrogrph, described spectrogrph includes above-mentioned beam splitter.
Further, as in figure 2 it is shown, described spectrogrph also includes light source, half-reflecting half mirror, the second focus lamp 3 and former
Sonization device 4；The light that described light source sends incides described second focus lamp 3 after described half-reflecting half mirror and is focused,
Enter afterwards after described atomizer 4 processes and incide described beam splitter.Light source is launched and filter wheel rotates synchronization and carries out.
As in figure 2 it is shown, described light source includes the first light source 11, secondary light source 12 and the 3rd light source 13；Described half anti-half
Lens include the first half-reflecting half mirror 21 and the second half-reflecting half mirror 22.
The work process of above-mentioned spectrogrph is specific as follows: wherein arrange 7 optical filters on filter wheel；
Step 1: the first light source 11 that light source part includes, secondary light source the 12, the 3rd light source 13, anti-respectively through the first half
Pellicle mirror the 21, second half-reflecting half mirror 22 incides the second focus lamp 3 after closing bundle, incides former after the second focus lamp 3 focuses on
Sonization device 4；
Step 2: through the light source incidence of atomizer 4 to the first focus lamp 5, more incident after being focused on by the first focus lamp 5
Optical filter 61 on filter wheel 6, again through diaphragm 7 after this optical filter filters, is finally detected optical signal by receptor 8.
Step 3: then filter wheel turns an angle α, and optical filter 62 is placed exactly on light path central shaft, repeat step 1,
2, receptor 8 detects a signal.Filter wheel 6 often turns an angle α, and receptor 8 detects a signal.Filter wheel rotates one
In week, just detect the light of 7 kinds of wavelength.
Above-mentioned spectrogrph is good relative to spectrogrph spectroscopic behaviour of the prior art, and efficiency is high.
Various embodiments above only in order to technical scheme to be described, is not intended to limit；Although with reference to aforementioned each reality
Execute example the present invention has been described in detail, it will be understood by those within the art that: its still can to aforementioned respectively
Technical scheme described in embodiment is modified, or the most some or all of technical characteristic is carried out equivalent；And
These amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme, its
All should contain in the middle of the claim of the present invention and the scope of description.
Claims (10)
1. a beam splitter, it is characterised in that described beam splitter includes filter wheel and more than 1 be arranged on filter wheel
Optical filter；
Described filter wheel utilizes the optical filter of described more than 1 to realize the light splitting to incident illumination by rotation.
Beam splitter the most according to claim 1, it is characterised in that described beam splitter also includes motor and shaft coupling, institute
State motor to be connected with described filter wheel by described shaft coupling, control described filter wheel and rotate.
Beam splitter the most according to claim 1, it is characterised in that described beam splitter also includes connecing light receiver, passes through
The light of described filter wheel enters described light receiver.
Beam splitter the most according to claim 3, it is characterised in that described beam splitter also includes diaphragm, described diaphragm is arranged
Between described filter wheel and described light receiver；Initially enter described diaphragm by the light of described filter wheel, afterwards by
Described light receiver receives.
Beam splitter the most according to claim 1, it is characterised in that described optical filter is narrow band pass filter.
Beam splitter the most according to claim 1, it is characterised in that described beam splitter also includes the first focus lamp, incides
The optical fiber of described filter wheel first passes around described first focus lamp and is focused processing, and is carried out light splitting by described filter wheel afterwards
Reason.
Beam splitter the most according to claim 1, it is characterised in that described filter wheel is discoid, the filter of described more than 1
Mating plate is uniformly distributed or is non-uniformly distributed on a circumference of described filter wheel.
8. a spectrogrph, it is characterised in that described spectrogrph includes the beam splitter described in any one of claim 1 to 7.
Spectrogrph the most according to claim 8, it is characterised in that described spectrogrph also includes light source, half-reflecting half mirror, the
Two focus lamps and atomizer；
The light that described light source sends incides described second focus lamp after described half-reflecting half mirror and is focused, laggard
Enter after described atomizer processes and incide described beam splitter.
Spectrogrph the most according to claim 9, it is characterised in that described light source include the first light source, secondary light source and
3rd light source；Described half-reflecting half mirror includes the first half-reflecting half mirror and the second half-reflecting half mirror.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610648981.XA CN106225925A (en) | 2016-08-09 | 2016-08-09 | Beam splitter, spectrogrph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610648981.XA CN106225925A (en) | 2016-08-09 | 2016-08-09 | Beam splitter, spectrogrph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106225925A true CN106225925A (en) | 2016-12-14 |
Family
ID=57547135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610648981.XA Pending CN106225925A (en) | 2016-08-09 | 2016-08-09 | Beam splitter, spectrogrph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106225925A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110823378A (en) * | 2019-10-12 | 2020-02-21 | 江苏大学 | Outdoor portable spectrum appearance |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3655288A (en) * | 1970-07-30 | 1972-04-11 | Technicon Instr | Optical system for use in automatic, simultaneous multielement atomic spectroscopy sample analysis apparatus |
| US20050275844A1 (en) * | 2002-12-20 | 2005-12-15 | University Of South Florida | Variable Exposure Rotary Spectrometer |
| CN200947058Y (en) * | 2006-06-30 | 2007-09-12 | 徐培实 | Multifunctional combination light source of atomic absorption spectroscopy |
| CN201575863U (en) * | 2009-09-29 | 2010-09-08 | 胡利民 | Runner mechanism for detecting chroma and brightness of light source |
| CN203658242U (en) * | 2013-11-26 | 2014-06-18 | 上海光谱仪器有限公司 | Easy-to-debug slit device for measuring multielement atomic absorption |
| CN105758523A (en) * | 2016-03-25 | 2016-07-13 | 浙江大学 | Hyperspectral imaging device based on rotary high-speed spectrum channel switching |
-
2016
- 2016-08-09 CN CN201610648981.XA patent/CN106225925A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3655288A (en) * | 1970-07-30 | 1972-04-11 | Technicon Instr | Optical system for use in automatic, simultaneous multielement atomic spectroscopy sample analysis apparatus |
| US20050275844A1 (en) * | 2002-12-20 | 2005-12-15 | University Of South Florida | Variable Exposure Rotary Spectrometer |
| CN200947058Y (en) * | 2006-06-30 | 2007-09-12 | 徐培实 | Multifunctional combination light source of atomic absorption spectroscopy |
| CN201575863U (en) * | 2009-09-29 | 2010-09-08 | 胡利民 | Runner mechanism for detecting chroma and brightness of light source |
| CN203658242U (en) * | 2013-11-26 | 2014-06-18 | 上海光谱仪器有限公司 | Easy-to-debug slit device for measuring multielement atomic absorption |
| CN105758523A (en) * | 2016-03-25 | 2016-07-13 | 浙江大学 | Hyperspectral imaging device based on rotary high-speed spectrum channel switching |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110823378A (en) * | 2019-10-12 | 2020-02-21 | 江苏大学 | Outdoor portable spectrum appearance |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161214 |
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| RJ01 | Rejection of invention patent application after publication |