CN209673223U - Eliminate the device of spectrometer wavelength drift - Google Patents
Eliminate the device of spectrometer wavelength drift Download PDFInfo
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- CN209673223U CN209673223U CN201822274856.4U CN201822274856U CN209673223U CN 209673223 U CN209673223 U CN 209673223U CN 201822274856 U CN201822274856 U CN 201822274856U CN 209673223 U CN209673223 U CN 209673223U
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- optical fiber
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Abstract
The utility model relates to spectrometer accessories fields, and more particularly, to a kind of device of elimination spectrometer wavelength drift, the fibre-optical splice including connection optical fiber connects the fiber bench of fibre-optical splice with one end, and the other end of fiber bench connects slit plate；It further include a rigid optical fiber body, which connects fibre-optical splice, and the other end of rigid optical fiber body connects fiber bench；The channel for running through fibre-optical splice both ends is formed in the fibre-optical splice, channel has the one end being inserted into for optical fiber；Described hardness optical fiber body one end, which is equipped with, can be inserted into the channel other end, and contact the first inserting column of optical fiber；The hardness optical fiber other end is equipped with the second inserting column that may pass through at fiber bench and face slit.The utility model can effectively eliminate the problem of light splitting wave length shift, also avoid the problem that the shaking bring of optical patchcord enters light energy and is widely varied, and improve the Stability and veracity of light transmission, and required component is few, structure is simple, easy to accomplish.
Description
Technical field
The utility model relates to spectrometer accessories fields, more particularly, to a kind of device of elimination spectrometer wavelength drift.
Background technique
Spectrometer is also known as spectroscope, extensively be recognize be direct-reading spectrometer.With the measurement of the optical detectors such as photomultiplier tube
The device of spectral line different wave length position intensity.It is by an entrance slit, a dispersion system, an imaging system and one or
Multiple exit slit compositions.Wavelength required for being isolated the electromagnetic radiation of radiation source with dispersion element or wavelength region, and
(or a certain wave band of scanning) carries out strength detection on selected wavelength.It is divided into monochromator and two kinds of polychromator.
In application process, incident light uses pigtail fiber to micro fiber spectrometer.In using installation process, due to light
Micro- drop is other, and intermediate tie core diameter is put again for being combined with when the cooperation start screw threads of fine head and fiber bench are demarcated with plant produced
High tolerance causes in actual use, and the wavelength accuracy of spectrometer detection generates error.
Such as Patent No. 201520948130.8, the utility model patent of entitled " a kind of spectrometer ", including grating
Bracket, grating fixed ring, spectrometer pedestal, fiber bench pressure ring, crack pressure ring, optical fiber head, detection board mount and fiber fixed seat,
The fiber fixed seat is mounted on the left end of spectrometer pedestal, and detection board mount, optical fiber are provided on the right side of fiber fixed seat
Head is mounted on fiber fixed seat by detecting the hole of board mount, and the center of fiber bench pressure ring is provided with aperture, crack pressure
Ring is mounted in the aperture of fiber bench pressure ring, and the front end of crack pressure ring is mounted on the inside of optical fiber head, and light barrier holder is mounted on light
The right end of spectrometer pedestal, light barrier holder are equipped with groove, and grating fixed ring is mounted in the groove of light barrier holder by pin,
Grating fixed ring is located at the right side of fiber bench pressure ring.Optical fiber head is mounted on fiber fixed seat by bolt.The design zero
Number of packages amount is more, and very high to the requirement of the fineness of part, and structure is complicated, and manufacturing cost is high, and not can solve wave
Long accuracy leads to the problem of error.
Utility model content
For overcome the deficiencies in the prior art, it is simple to provide a kind of structure for the utility model, can titter and eliminate spectrometer wave
The device of long drift.
To achieve the goals above, the utility model uses following technical scheme: a kind of to eliminate what spectrometer wavelength drifted about
Device, the fibre-optical splice including connection optical fiber connect the fiber bench of fibre-optical splice with one end, and the other end of fiber bench connects slit
Plate, the slit plate are equipped with slit；It further include a rigid optical fiber body, which connects fibre-optical splice, rigid light
The slim other end connects fiber bench；The channel for running through fibre-optical splice both ends is formed in the fibre-optical splice, channel has for light
One end of fibre insertion；Described hardness optical fiber body one end, which is equipped with, can be inserted into the channel other end, and contact the first inserting column of optical fiber；It is described
The rigid optical fiber other end is equipped with the second inserting column that may pass through fiber bench and face slit.The utility model is real with rigid optical fiber body
The docking of existing fibre-optical splice and fiber bench, effectively eliminates the problem of field erected difference bring is divided wave length shift, simultaneously
Solve the problems, such as that the shaking bring due to optical patchcord enters light energy and is widely varied.Substantially increase spectrometer light biography
Defeated Stability and veracity；And required component is few, and structure is simple, and manufacturing cost is low, easy to accomplish.
Further, the fibre-optical splice outer wall is equipped with and can be threaded connection in the external screw thread in spectrometer housing perforation, institute
Fibre-optical splice is stated equipped with compressible light in the nut in channel.External screw thread can guarantee that optical fiber structure is firmly attached to spectrometer
On shell, and the nut can further improve the fastness and stability that optical fiber is connect with optical fiber structure.
Further, the rigid optical fiber body, the first inserting column and the second inserting column are cylindrical；First inserting column and second insert
Column is connected to the center point of rigid optical fiber body both ends of the surface；The axis of the hardness optical fiber body, the first inserting column and the second inserting column
Line is in same position.The design further improves the accuracy of optical fiber transmission.
Further, the diameter of first inserting column and the second inserting column is the half of rigid optical fiber body diameter.This sets
Meter transmission area is big, and connectivity robustness is good.
In conclusion the utility model can effectively eliminate the problem of light splitting wave length shift, the shaking of optical patchcord is also avoided
Bring enters the problem of light energy is widely varied, and improves the Stability and veracity of light transmission, and required component is few,
Structure is simple, easy to accomplish.
Detailed description of the invention
Assembled state figure when Fig. 1 is the utility model not set external screw thread；
Fig. 2 is the separate structure schematic diagram of the utility model；
Fig. 3 is the scheme of installation of the utility model；
Wherein, fibre-optical splice 1, channel 11, external screw thread 12, nut 13；Rigid optical fiber body 2, the first inserting column 21, the second inserting column
22；Fiber bench 3；Slit plate 4, slit 41；Spectrometer shell 100.
Specific embodiment
In order to make those skilled in the art better understand the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical solutions in the embodiments of the present invention are clearly and completely described.
As shown in Figure 1-3, a kind of device for eliminating spectrometer wavelength drift, including fibre-optical splice 1 and fiber bench 3.Optical fiber
Connector 1 connects optical fiber, and 3 one end of fiber bench connects fibre-optical splice 1, and the other end of fiber bench 3 connects slit plate 4, on the slit plate 4
Equipped with slit 41.
Specifically, the utility model further includes a rigid optical fiber body 2, which connects fibre-optical splice 1,
The other end of rigid optical fiber body 2 connects fiber bench 3, which is made of rigid fiber optic materials, is able to achieve the biography of light
It is defeated, and will not deformation occurs.The channel 11 for running through 1 both ends of fibre-optical splice is formed in the fibre-optical splice 1, channel 11, which has, to be supplied
One end of optical fiber insertion.Described 2 one end of hardness optical fiber body is equipped with the first inserting column 21, and it is another which can be inserted into channel 11
End, and optical fiber is contacted, and then guarantee that spectral energy can smoothly enter into the first inserting column 21 from optical fiber, then pass through the first inserting column 21
Into in rigid optical fiber body 2.1 other end of hardness optical fiber body is equipped with the second inserting column 22, which may pass through optical fiber
Seat 3, and at the slit 41 of face slit plate 4.Spectral energy into rigid optical fiber body 2 can pass through 22 illumination slit of the second inserting column
41, spectral energy enters light splitting part through slit, converts monochromatizing stripe shape spectrum, carries out spectrum analysis.
1 outer wall of fibre-optical splice is equipped with external screw thread 12, and external screw thread 12 can be threaded connection with perforates in spectrometer shell 100
It is interior.The 1 outer wall attaching nut 13 of fibre-optical splice, the nut 13 are used cooperatively with optical fiber, improve optical fiber installation fastness and
Stability.
Preferably, the hardness optical fiber body 2, the first inserting column 21 and the second inserting column 22 are cylindrical；First inserting column 21
And second inserting column 22 be connected to the center points of rigid 2 both ends of the surface of optical fiber body；The hardness optical fiber body 2,21 and of the first inserting column
The central axes of second inserting column 22 in same position, i.e., the central axes of the central axes of the described rigid optical fiber body 2 and the first inserting column 21,
The central axes of second inserting column 22 are overlapped.Preferably rigid optical fiber is set by the diameter of first inserting column 21 and the second inserting column 22
The half of 2 diameter of body.In the present embodiment, the optical fiber is preferably standard SMA905 optical patchcord.
Functional principal: fibre-optical splice 1 is used to abutting joint standard SMA905 optical patchcord, and detected spectral energy passes through
Optical patchcord imports, and fibre-optical splice 1 can will be on 98% sexual energy coupling to rigid optical fiber body 2.Pass through rigid optical fiber body again
2 dock with the fixation of fiber bench 3, by the slit 41 of spectral energy entrance slit plate 4.Spectral energy enters light splitting through slit 41
Component converts monochromatizing stripe shape spectrum, carries out open score analysis.
Advantage: by above special device, the difference bring light splitting wavelength that can effectively eliminate field optical fibers installation floats
The problem of shifting, also solves the problems, such as that the shaking bring due to optical patchcord enters light energy and is widely varied simultaneously.It mentions significantly
The high Stability and veracity of spectrometer.
Obviously, described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
The range of the utility model protection all should belong in every other embodiment.
Claims (4)
1. a kind of device for eliminating spectrometer wavelength drift, the fibre-optical splice (1) including connecting optical fiber connects optical fiber with one end and connects
The other end of the fiber bench (3) of head (1), fiber bench (3) connects slit plate (4), which is equipped with slit (41)；Its
It is characterized in that: further including a rigid optical fiber body (2), which connects fibre-optical splice (1), rigid optical fiber body
(2) the other end connects fiber bench (3)；The channel (11) for running through fibre-optical splice (1) both ends is formed in the fibre-optical splice (1),
Channel (11) has the one end being inserted into for optical fiber；Described hardness optical fiber body (2) one end, which is equipped with, can be inserted into channel (11) other end, and
Contact the first inserting column (21) of optical fiber；Hardness optical fiber body (2) other end, which is equipped with, may pass through fiber bench (3) and face slit
(41) the second inserting column (22).
2. the device according to claim 1 for eliminating spectrometer wavelength drift, it is characterised in that: the fibre-optical splice (1)
Outer wall, which is equipped with, can be threaded connection in the external screw thread (12) in spectrometer shell (100) perforation, and the fibre-optical splice (1) is equipped with and can press
Tight light is in the nut (13) in channel (11).
3. the device according to claim 1 for eliminating spectrometer wavelength drift, it is characterised in that: the hardness optical fiber body
(2), the first inserting column (21) and the second inserting column (22) are cylindrical；First inserting column (21) and the second inserting column (22) are connected to
The center point of rigid optical fiber body (2) both ends of the surface；In the hardness optical fiber body (2), the first inserting column (21) and the second inserting column (22)
Axis is in same position.
4. the device according to claim 3 for eliminating spectrometer wavelength drift, it is characterised in that: first inserting column (21)
Diameter with the second inserting column (22) is the half of rigid optical fiber body (2) diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822274856.4U CN209673223U (en) | 2018-12-31 | 2018-12-31 | Eliminate the device of spectrometer wavelength drift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822274856.4U CN209673223U (en) | 2018-12-31 | 2018-12-31 | Eliminate the device of spectrometer wavelength drift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209673223U true CN209673223U (en) | 2019-11-22 |
Family
ID=68564581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822274856.4U Active CN209673223U (en) | 2018-12-31 | 2018-12-31 | Eliminate the device of spectrometer wavelength drift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209673223U (en) |
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2018
- 2018-12-31 CN CN201822274856.4U patent/CN209673223U/en active Active
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