CN208350645U - Raman spectrometer probe - Google Patents
Raman spectrometer probe Download PDFInfo
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- CN208350645U CN208350645U CN201821085335.8U CN201821085335U CN208350645U CN 208350645 U CN208350645 U CN 208350645U CN 201821085335 U CN201821085335 U CN 201821085335U CN 208350645 U CN208350645 U CN 208350645U
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- fixing seat
- light source
- raman spectrometer
- accommodating space
- spectroscope
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- 238000001069 Raman spectroscopy Methods 0.000 title claims abstract description 81
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- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The application discloses a Raman spectrometer probe, which comprises a light source module, a light splitting module and a focusing module. The light splitting module is arranged in an accommodating space, the light source module is arranged adjacent to a first side wall surrounding the accommodating space, and the focusing module is arranged adjacent to a second side wall surrounding the accommodating space and opposite to the first side wall. The light source of the light source module is movable in a first direction perpendicular to the direction of the light beam emitting port of the light source module. The beam splitting module is provided with a beam splitting mirror fixing seat and a beam splitter standing on the beam splitting mirror fixing seat, one mirror surface of the beam splitter faces the light source module, the other mirror surface of the beam splitter faces the focusing module, the beam splitting mirror fixing seat is arranged in the accommodating space and is rotatable, and the axial direction of the rotating shaft of the beam splitting mirror fixing seat is vertical to the direction of the light beam emitting port and is vertical to the first direction.
Description
Technical field
The application belongs to optical measurement field, specifically, being related to a kind of Raman spectrometer probe.
Background technique
Known spectral analysis is to know its composition according to the spectrum measured for substance, and Raman spectrometer
(Raman Spectrometer) is to be incident upon with laser light on the test substance including solid, liquid and powder, makes determinand
Matter inspires scattering light, and then measures to the Raman spectrum (Raman Spectra) of scattering light.In existing technology, utilize
It is to be connected with two on probe to carry out remote sampling through a probe when Raman spectrometer carries out spectrum measuring to test substance
Beam optical fiber, wherein a branch of optical fiber focuses on laser light on test substance, another beam optical fiber is then collected from test substance excitation
Raman diffused light (Raman Scattering Light) with Raman spectrum.Raman spectrometer and probe can not have to engagement
Together, it remotely to be measured, or is bonded together to carry out proximity measurement.
However, either remotely measurement or proximity measure, the Raman diffused light for being excited collected from test substance
Optical coupled effect between optical fiber and Raman spectrometer is simultaneously bad, causes the spectrum signal resolution ratio measured poor, and can not
Obtain good measurement.Therefore, the optical coupled degree between Raman spectrometer and probe how is improved, it is optimal to obtain
Raman spectrum measurement is the utility model technical task to be solved.
Utility model content
In view of the above problem, the utility model provides a kind of Raman spectrometer probe, to a Raman spectrometer coupling
It connects, measures the Raman spectrum of a test substance.So-called coupling is comprising being directly connected to and being indirectly connected with.
In one embodiment, a kind of Raman spectrometer probe provided by the utility model includes a pedestal, forms an accommodating
Space；The light source in light source fixing seat is arranged in a light source fixing seat and one in one light source module, and light source fixing seat has one
Beam emissions mouth, the setting of light source fixing seat is located at outside accommodating space on the base and beam emissions mouth and the one of encirclement accommodating space
The first side wall is adjacent, light source fixing seat in one and beam emissions mouth towards being moveable on vertical first direction；One is poly-
Burnt module is arranged in outside accommodating space and adjacent with a second sidewall of accommodating space is surrounded, second sidewall and the first side wall phase
It is right；One first condenser lens, setting is adjacent with second sidewall in accommodating space, and couples with focus module；One second focuses
Lens, be arranged in accommodating space and with surround a third side wall of accommodating space it is adjacent, third side wall to and Raman spectrum
Instrument coupling；With a spectral module, with a spectroscope fixing seat and one tool there are two back to one first mirror surface and one second mirror
The spectroscope in face, spectroscope are stood in spectroscope fixing seat, and spectroscope fixing seat is arranged in accommodating space, and the first mirror surface is neighbouring
The first side wall and towards beam emissions mouth, the second mirror surface plate on the first mirror surface adjacent to second sidewall and towards the first condenser lens
There is antireflective optical film, reflective foil, the positive normal of the second mirror surface and the direction of beam emissions mouth are coated on the second mirror surface
Between angle be 44 degree to 46 degree, spectroscope fixing seat is in being rotatable, the rotation of spectroscope fixing seat in accommodating space
The axial direction of axis and the direction of beam emissions mouth are vertical and vertical with first direction.
In one embodiment, a first positioning hole is formed in light source fixing seat, and corresponding first positioning hole is formed on pedestal
One first screw hole, first positioning hole are greater than the aperture of the first screw hole in the aperture on first direction.
In one embodiment, the periphery of spectroscope fixing seat forms two two-phases for being located at spectroscope fixing seat along outer rim
The second location hole of opposite side, the line at the center of second location hole and are formed perpendicular to the positive normal of the second mirror surface on pedestal
Second screw hole of corresponding second location hole, second location hole are greater than the second spiral shell in the aperture in the rotation direction of spectroscope fixing seat
The aperture in hole.
In one embodiment, first positioning hole is equal to the aperture of first screw hole in beam emissions mouth towards upper aperture, or
Second location hole is equal to the aperture of the second screw hole in the aperture in the radial direction of spectroscope fixing seat.
In one embodiment, the shape of spectroscope fixing seat is discoid and second location hole a side in indent.
In one embodiment, light source fixing seat can deviate to the right in a second direction or micro- to the left a little in a first direction
Width deviates on a third direction.
In one embodiment, circular groove is formed on the bottom of accommodating space, and spectroscope fixing seat is arranged in circular groove.
In one embodiment, the probe of Raman spectrometer provided by this creation further include a setting in accommodating space and between
Optical filter between spectral module and the second condenser lens, to filter out the Rayleigh scattering light through the second mirror-reflection.
Optionally, the first condenser lens and the second condenser lens are convex lens.
Can far, light source is a laser optical diode, and the emission wavelength of light source be 532nm, 785nm and 1064nm wherein
One of.
In conclusion according to Raman spectrometer described in each embodiment of this creation pop one's head in, eliminate optical fiber use and
Change the combination for adopting spectral module, light source module and focus module, and in being respectively provided with rotation on spectral module and light source module
Adjustment mechanism and moving adjusting mechanism, so that there is optimal optical coupled effect between Raman spectrometer probe and Raman spectrometer
Fruit simultaneously makes the optical coupled correction between Raman spectrometer probe and Raman spectrometer more easy.Therefore, this creation is mentioned
Raman spectrometer probe out, improves the measurement precision of Raman spectrometer and reduces comprising the non-Raman such as Rayleigh scattering light
Light is scattered for spectrometric interference, is more suitable for scientific research and on-line checking.
In order to make the above-mentioned features and advantages of the utility model more obvious and understandable, special embodiment below, and appended by cooperation
Schema is described in detail below.
Detailed description of the invention
Fig. 1 is the stereochemical structure schematic top plan view of the Raman spectrometer probe of an embodiment of the present invention.
Fig. 2 is the planar structure schematic top plan view of the Raman spectrometer probe of an embodiment of the present invention.
Fig. 3 is the light splitting path floor map of the Raman spectrometer probe of an embodiment of the present invention.
Specific embodiment
The utility model discloses a kind of Raman spectrometer probe, wherein the relative theory of so-called Raman spectrometer and side
Method can be illustrated for those of ordinary skill in the art, therefore with following description, no longer make complete description.Meanwhile with hereafter
Middle compareed attached drawing, it is intended that expression meaning related with the utility model feature does not also need complete according to actual size
Whole drafting is formerly stated.
Fig. 1 is the stereochemical structure schematic top plan view of the Raman spectrometer probe of an embodiment of the present invention.Please refer to figure
1, in an embodiment, a kind of light source modules that Raman spectrometer probe 10 pedestal 100 and be fixed on pedestal 100 with one
101, a spectral module 102 and a focus module 103.Light source module 101 has a beam emissions mouth 1010, beam emissions mouth
1010 direction is indicated with I.An accommodating space 1001 is formed on pedestal 100, spectral module 102 is arranged in accommodating space 1001
It is interior, light source module 101 and focus module 103 be arranged in accommodating space 1001 it is outer and respectively with surround two of accommodating space 1001
An opposite the first side wall 1001a and a second sidewall 1001b is adjacent, so that two opposite sides of spectral module 102 are right respectively
Answer ground optical light source module 101 and focus module 103.In addition, surrounding a third side wall 1001c of accommodating space 1001 then with one
Raman spectrometer 20 couples.In the present embodiment, Raman spectrometer probe 10 also has one first condenser lens 104, an optical filter
105 and one second condenser lens 106, the setting of the first condenser lens 104 it is adjacent with second sidewall 1001b in accommodating space 1001
And coupled with focus module 103, the second condenser lens 106 is arranged in accommodating space 1001 and surrounds the of accommodating space 1001
Three side wall 1001c are adjacent, and optical filter 105 is arranged in accommodating space 1001 and between spectral module 102 and the second condenser lens
Between 106.Raman spectrometer probe 10 and Raman spectrometer 20 carry out after coupling to fill the sample 30 of test substance to one
Raman spectrum measures, and test substance includes solid, liquid and powder.Spectral module 102 is configured at light source module 101 and focuses mould
Between block 103, sequentially pass through spectral module 102 and focus module 103 in order to the transmitting light beam of the beam emissions mouth of light source module 101
After focus on sample 30.The above so-called coupling includes being directly connected to and being indirectly connected with.
Please continue to refer to Fig. 1, there is light source module 101 a light source fixing seat 1011 and one to be arranged in light source fixing seat 1011
On light source (not shown), light source fixing seat 1011 is arranged outside accommodating space 1001, and beam emissions to emit light beam
Mouth 1010 is adjacent with the first side wall 1001a of accommodating space 1001 is surrounded.Light source fixing seat 1011 be arranged on pedestal 100 and in
Be on one first direction D1 it is moveable, the beam emissions mouth 1010 of first direction D1 and light source module 101 it is vertical towards I,
Relative position between light source module 101 and spectral module 102 is adjusted.In one embodiment, light source can be one
Laser optical diode (Laser Diode) is fixed on light source fixing seat 1011 using an adhesion material to emit a laser beam
On, the direction of the launch of the collimated light beam L towards collimation shown in I and Fig. 2 and 3 of the beam emissions mouth 1010 of light source module 101
It is identical.In addition, forming at least one first positioning hole 1012 in light source fixing seat 1011, and it is fixed to correspond to first on pedestal 100
The first screw hole 100a is formed at the setting in position hole 1012.Also settable alignment mark (not shown) is solid for light source on pedestal 100
Alignment when reservation 1011 is disposed thereon.First positioning hole 1012 is in the aperture on first direction D1 greater than the first screw hole 100a's
Aperture and be equal to the aperture of the first screw hole 100a in the aperture on the direction I, in order to Raman spectrometer probe setter using extremely
After a few screw (not shown) is by first positioning hole 1012 and corresponding first screw hole 100a, light source fixing seat 1011 is locked
Gu on pedestal 100, and the movement using light source fixing seat 1011 in the pore diameter range of first positioning hole 1012, along first
Direction D1 adjusts light source fixing seat 1011 and light source in the allocation position on pedestal 100.In one embodiment, light source fixing seat 1011
Shape be, for example, L font or T font, the shape of first positioning hole 1012 is, for example, ellipse, and the shape of the first screw hole 100a
Shape is, for example, circle.
Please continue to refer to Fig. 1, spectral module 102 has a spectroscope fixing seat 1023 and a spectroscope 1024, spectroscope
1024 stand on the middle position in spectroscope fixing seat 1023.Spectroscope fixing seat 1023 and spectroscope 1024 are arranged at accommodating
The inside in space 1001, spectroscope fixing seat 1023 are detachably arranged in accommodating space 1001.The bottom of accommodating space 1001
It can be further formed a groove 10011, and spectroscope fixing seat 1023 is detachably arranged in groove 10011 and in groove
10011 are rotated up in the side perpendicular to spectroscope fixing seat 1023.
Fig. 2 is the planar structure schematic top plan view of the Raman spectrometer probe of an embodiment of the present invention.Fig. 3 is this reality
The light splitting path floor map popped one's head in the Raman spectrometer of a novel embodiment.Implement referring to Fig. 2 and Fig. 3, one
Example in, spectroscope 1024 tool there are two it is parallel to each other but back to the first mirror surface 10241 and the second mirror surface 10242, the first mirror surface
The 10241 neighbouring the first side wall 1001a for surrounding accommodating space 1001 and the beam emissions mouth 1010 towards light source module 101, and
The neighbouring second sidewall 1001b for surrounding accommodating space 1001 of second mirror surface 10242 and the first condenser lens 104 of direction, the first mirror
Anti-reflection coating (Anti-Reflective Coating) or antireflective optical film, the second mirror surface 10242 are coated on face 10241
On post reflective foil (Reflective Optical Film), divide to the light to the second mirror surface of directive 10242
Light.The material and optical characteristics of anti-reflection coating and reflective foil are depending on actual demand, the utility model system not subject to the limits.
First condenser lens 104 and the second condenser lens 106 can select convex lens to focus the light beam passed through, and the ruler of lens
Very little and focal length depending on demand, the utility model system not subject to the limits.Optical filter 105 swashs to filter out the test substance of sample 30
Hair but non-other scattering light for belonging to Raman diffused light, such as Rayleigh scattering light (Rayleigh Scattering Light), choosing
With depend on light source module 101 light source type, as long as can achieve the purpose that filter out non-category Raman diffused light, optical filter 105
Material and the wave-length coverage that filters out can be there are many selecting, the utility model system not subject to the limits.In one embodiment, first is focused
Each setting that adhesion material is fixed on accommodating space 1001 can be selected in lens 104, optical filter 105 and the second condenser lens 106
On position, selected adhesion material is, for example, UV cured glue (UV glue) or epoxy resin (epoxy), and the utility model is not
It limits herein.
Please continue to refer to Fig. 2 and Fig. 3, in an embodiment, the beam emissions mouth of light source module 101 launches the parallel of collimation
Light beam L, the beam emissions mouth of the positive normal N and collimated light beam L of the second mirror surface 10242 of spectroscope 1024 direction between
Angle theta 1 is preferably 44 to 46 degree.When collimated light beam L passes through spectral module 102, due to the antireflection on the first mirror surface 10241
The antireflection of film acts on, and most collimated light beam L can focus on sample by spectroscope 1024 and by the first condenser lens 104
The surface of product 30.The test substance of sample 30 can generate scattering light S after being excited by collimated light beam L, scattering light S meeting incidence first is poly-
Focus lens 104 simultaneously become collimated light beam, and scattering light S includes Raman diffused light S1 and Rayleigh scattering light S2.Most Raman dissipates
Light S1 is penetrated to be reflected on the second mirror surface 10242 by reflectance coating and sequentially by focusing after optical filter 105 and the second condenser lens 106
To carry out subsequent spectrum measuring in spectrometer 20, most Rayleigh scattering light S2 reaches packet after penetrating spectroscope 1024
Enclose the inner surface of accommodating space 1001 and the 4th side wall 1001d of neighbouring first mirror surface 10241.It is reflected through the second mirror surface 10242
Scattering light in as contain Rayleigh scattering light person, these Rayleigh scattering lights enter spectrometer 20 before will be filtered out by optical filter 105,
Enter the measurement in spectrometer 20 and disturbing Raman spectrum to avoid Rayleigh scattering light.When so-called collimated light beam is laser beam
When, the wavelength of selection includes 532nm, 785nm and 1064nm, and when the wavelength of selection is shorter, the intensity of Raman diffused light is bigger.
Please continue to refer to Fig. 1, the center of spectroscope fixing seat 1023 is equipped with one to accept the bracket of spectroscope 1024 (not
Display), bracket can be fixed in a manner of locking in spectroscope fixing seat 1023 or with integrally formed mode and point
Light microscopic fixing seat 1023 is integrated, and spectroscope 1024 can be and is fixed in spectroscope fixing seat 1023 with an adhesion material
Bracket.In addition, the periphery of spectroscope fixing seat 1023 is formed along outer rim, two apertures are identical and to be located at spectroscope solid
The second location hole 1023a and 1023b of the two opposite sides of reservation 1023, the line at the center of second location hole 1023a and 1023b
Perpendicular to the positive normal of the second mirror surface 10242, and on the groove 10011 of pedestal 100 correspond to second location hole 1023a and
The identical second screw hole 10011a and 10011b in aperture is respectively formed at the setting of 1023b.Second location hole 1023a and 1023b
It is greater than the aperture of the second screw hole 10011a and 10011b in the aperture in the rotation direction of spectroscope fixing seat 1023 and second is fixed
Position hole 1023a and 1023b in the aperture in the radial direction of spectroscope fixing seat 1023 be equal to the second screw hole 10011a and
The aperture of 10011b passes through second location hole using two screw (not shown)s in order to the setter of Raman spectrometer probe respectively
After 1023a and 1023b and corresponding second screw hole 10011a and 10011b, spectroscope fixing seat 1023 is locked in groove
On 10011, and using spectroscope fixing seat 1023 relative to groove 10011 second location hole 1023a and 1023b aperture model
Interior rotation is enclosed, adjusts spectroscope 1024 in the arrangement angles in accommodating space 1001.As shown in Figure 1, in an embodiment, light splitting
The shape of mirror fixing seat 1023 be, for example, discoid and groove 10011 shape be, for example, circle, second location hole 1023a and
The shape of 1023b is, for example, the ellipse that side is in indent, and the shape of the second screw hole 10011a and 10011b is, for example, circle.
Please continue to refer to Fig. 1, focus module 103 is a column, and section is that round or rectangle is not subject to the limits, both ends point
First condenser lens 104 and a protective glass 1031 be not set, and the first condenser lens 104 is arranged in accommodating space 1001 and with the
Two side wall 1001b are adjacent, and the focal point that the first condenser lens 104 is arranged in protective glass 1031 measures sample 30 for proximity and keeps away
Exempt from sample 30 and damages focus module 103 itself.In one embodiment, the mode that focus module 103 is arranged in protective glass 1031 can be with
It is to be fixed using an adhesion material, adhesion material is, for example, UV cured glue (UV glue) or epoxy resin (epoxy).
In one embodiment, in the assembling process of Raman spectrometer probe 10, can first by Raman spectrometer probe 10 and it draw
The sample 30 that graceful spectrometer 20 fills test substance to one after coupling carries out Raman spectrum measurement, and sample 30 is in face of protective glass
1031 place, and Raman spectrometer 20 is connected with a remote computer, and the software program setting through remote computer is appropriate
The time of integration simultaneously selects real-time continuous measurement mode.Meanwhile spectroscope is allowed to fix using jig clamping spectroscope fixing seat 1023
Seat 1023 is rotated relative to groove 10011, so that the positive normal N and light source of the second mirror surface 10242 of spectroscope 1024
The beam emissions mouth of module 101 towards the angle between I be 44 degree to 46 degree, and the rotation axis of spectroscope fixing seat 1023
It is axial vertical towards I with the beam emissions mouth of first direction D1 and light source module 101.It is subsequent, finely tune spectroscope fixing seat
1023 rotation angle takes screw to be each passed through the second spiral shell when spectrum signal that Raman spectrometer 20 measures is maximum
By spectroscope fixing seat 1023 in groove 10011 after hole 10011a and 10011b and corresponding second location hole 1023a and 1023b
On.
Please refer to Fig. 1, in another embodiment, in the use process of Raman spectrometer probe 10, most Rayleigh dissipates
Arrival encirclement accommodating space 1001 and the 4th side wall towards the first mirror surface 10241 after spectroscope 1024 can be penetrated by penetrating light S2
On the inner surface of 1001d, and the configuration of the position of the light emitting angle tolerance of the light source in light source module 101 and light source module 101 is inclined
The transmitting light that difference will also result in light source module 101 has part reflection towards the on the first mirror surface 10241 of spectroscope 1024
On the inner surface of 4th side wall 1001d of one mirror surface 10241, these reach the light on the inner surface of the 4th side wall 1001d all
Raman spectrometer further may be entered after reflection and the spectrum signal that Raman spectrometer measures is caused to interfere, and then led
Cause the spectrum signal measured undesirable.At this point, in the case where spectroscope fixing seat 1023 has been locked in groove 10011,
In order to reduce the interference for emitting light of light source module 101, light source fixing seat 1011 is clamped using jig, first by light source fixing seat
1011 along a first direction D1 move a little, it is anti-in the part on the first mirror surface 10241 with the transmitting light for removing light source module 101
It penetrates；Then, light source fixing seat 1011 is deviated to the right to a second direction D2 or inclined a little to the left a little from first direction D1
From on a third direction D3, with the relative position between calibration light source module 101 and spectroscope 1024, while differentiating and being measured
The resolution ratio of the Raman spectrum obtained, when the spectrum signal tool optimum resolution that Raman spectrometer 20 measures, that is, Raman
When spectrum is sharp keen clean and interference light source minimum, light source is consolidated after taking screw to pass through the first screw hole 100a and first positioning hole 1012
Reservation 1011 is on pedestal 100.
It please refers to Fig. 1, in another embodiment, in the maintenance process of Raman spectrometer probe 10, can first pass through second
The screw of screw hole 10011a and 10011b and corresponding second location hole 1023a and 1023b unclamp, and pass through the first screw hole
100a and the screw of first positioning hole 1012 unclamp, then contain after Raman spectrometer probe 10 and Raman spectrometer 20 are coupled to one
There is the sample 30 of test substance to carry out Raman spectrum measurement, sample 30 is placed in face of protective glass 1031, and Raman spectrometer 20
It is connected with a remote computer, set the time of integration appropriate through the software program of remote computer and selects real-time continuous amount
Survey mode；Then, using jig clamping spectroscope fixing seat 1023 make spectroscope fixing seat 1023 relative to groove 10011 into
Row rotation, the rotation angle of fine tuning spectroscope fixing seat 1023 make the positive normal N of the second mirror surface 10242 of spectroscope 1024
And the beam emissions mouth of light source module 101 towards the angle between I at 44 degree to 46 degree, until Raman spectrometer 20 measures
Spectrum signal be maximum；Followed by, using jig clamping light source fixing seat 1011 make light source fixing seat 1011 along first
Direction D1 is moved a little, light source fixing seat 1011 is deviated to a little from first direction D1 a not ipsilateral second direction D2 or
On one third direction D3, until the spectrum signal that Raman spectrometer 20 measures has optimum resolution；Finally, passing through the second spiral shell
The screw locking of hole 10011a and 10011b and corresponding second location hole 1023a and 1023b, and pass through the first screw hole 100a
With the screw locking of first positioning hole 1012.
In conclusion popping one's head according to Raman spectrometer described in various embodiments of the utility model, making for optical fiber is eliminated
With and change the combination for adopting spectral module, light source module and focus module, and be respectively provided on spectral module and light source module
Rotation regulating mechanism and moving adjusting mechanism, so that there is optimal optics coupling between Raman spectrometer probe and Raman spectrometer
It closes effect and the optical coupled correction that Raman spectrometer is popped one's head between Raman spectrometer is more easy.Therefore, this is practical
Novel proposed Raman spectrometer probe, improves the measurement precision of Raman spectrometer and reduces including Rayleigh scattering light
Etc. non-Raman diffused light for spectrometric interference, it is more suitable for scientific research and on-line checking.
The foregoing is merely the utility model preferred embodiments, are not intended to limit the utility model entitlement requests range；
Those of ordinary skill in the art should can be illustrated and be implemented, therefore is other without departing from the utility model by above description simultaneously
The lower equivalent change or modification completed of revealed spirit, should be included in claim.
Claims (10)
1. a kind of Raman spectrometer probe measures the Raman spectrum of a test substance, spy to couple with a Raman spectrometer
Sign is that the Raman spectrometer probe includes:
One pedestal forms an accommodating space；
The light source in the light source fixing seat is arranged in a light source fixing seat and one in one light source module, and the light source is fixed
Seat tool has a beam emissions mouth, and the light source fixing seat is arranged on the pedestal outside the accommodating space and the light beam
Emission port is adjacent with the first side wall for surrounding the accommodating space, and the light source fixing seat is in one and the beam emissions mouth
It is moveable on towards vertical first direction；
One focus module is arranged in outside the accommodating space and adjacent with the second sidewall for surrounding the accommodating space, described
Second sidewall and the first side wall are opposite；
One first condenser lens, be arranged it is in the accommodating space and adjacent with the second sidewall, and with the focus module
Coupling；
One second condenser lens is arranged in the accommodating space and adjacent with the third side wall for surrounding the accommodating space,
The third side wall with the Raman spectrometer to couple；With
One spectral module, with a spectroscope fixing seat and one tool there are two back to one first mirror surface and one second mirror surface point
Light microscopic, the spectroscope are stood in the spectroscope fixing seat, and the spectroscope fixing seat is arranged in the accommodating space, institute
The first mirror surface is stated adjacent to the first side wall and towards the beam emissions mouth, second mirror surface adjacent to the second sidewall and
Towards first condenser lens, it is coated with antireflective optical film on first mirror surface, is coated with reflected light on second mirror surface
Film is learned, the angle between the positive normal of second mirror surface and the direction of the beam emissions mouth is 44 degree to 46 degree, described
Spectroscope fixing seat is rotatable, the axial direction of the rotation axis of the spectroscope fixing seat and the light in the accommodating space
The direction of beam emission port is vertical and vertical with the first direction.
2. Raman spectrometer probe according to claim 1, which is characterized in that form one first in the light source fixing seat
Location hole, and one first screw hole of the corresponding first positioning hole is formed on the pedestal, the first positioning hole is in described the
Aperture on one direction is greater than the aperture of first screw hole.
3. Raman spectrometer according to claim 2 probe, which is characterized in that the periphery of the spectroscope fixing seat along
Outer rim forms the second location hole for the two opposite sides that two are located at the spectroscope fixing seat, the center of the second location hole
Line perpendicular to the positive normal of second mirror surface, and the second spiral shell of the corresponding second location hole is formed on the pedestal
Hole, the second location hole are greater than the aperture of second screw hole in the aperture in the rotation direction of the spectroscope fixing seat.
4. Raman spectrometer probe according to claim 3, which is characterized in that the first positioning hole is sent out in the light beam
The aperture for being equal to first screw hole towards upper aperture of loophole or the second location hole are in the spectroscope fixing seat
Aperture in the radial direction is equal to the aperture of second screw hole.
5. Raman spectrometer probe according to claim 3, which is characterized in that the shape of the spectroscope fixing seat is round
The side of plate-like and the second location hole is in indent.
6. Raman spectrometer probe according to claim 1, which is characterized in that the light source fixing seat can be described first
It deviates to the right on direction in a second direction or is deviated on a third direction a little to the left a little.
7. Raman spectrometer probe according to claim 1, which is characterized in that circle is formed on the bottom of the accommodating space
Groove, the spectroscope fixing seat are arranged in the circular groove.
8. Raman spectrometer probe according to claim 1, which is characterized in that further include a setting in the accommodating space
Optical filter interior and between the spectral module and second condenser lens, to filter out through second mirror-reflection
Rayleigh scattering light.
9. Raman spectrometer probe according to claim 1, which is characterized in that first condenser lens and described second
Condenser lens is convex lens.
10. Raman spectrometer probe according to claim 1, which is characterized in that the light source is a laser optical diode,
And the emission wavelength of the light source is one of 532nm, 785nm and 1064nm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW107208041U TWM567357U (en) | 2018-06-14 | 2018-06-14 | Probe of raman spectrometer |
| TW107208041 | 2018-06-14 |
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| Publication Number | Publication Date |
|---|---|
| CN208350645U true CN208350645U (en) | 2019-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821085335.8U Expired - Fee Related CN208350645U (en) | 2018-06-14 | 2018-07-10 | Raman spectrometer probe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115468947A (en) * | 2022-11-01 | 2022-12-13 | 季华实验室 | Raman spectrum cage system and Raman spectrum detection method |
-
2018
- 2018-06-14 TW TW107208041U patent/TWM567357U/en unknown
- 2018-07-10 CN CN201821085335.8U patent/CN208350645U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115468947A (en) * | 2022-11-01 | 2022-12-13 | 季华实验室 | Raman spectrum cage system and Raman spectrum detection method |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM567357U (en) | 2018-09-21 |
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