CN106404744A - Portable directive Raman spectrum acquisition system and method - Google Patents

Portable directive Raman spectrum acquisition system and method Download PDF

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Publication number
CN106404744A
CN106404744A CN201610987068.2A CN201610987068A CN106404744A CN 106404744 A CN106404744 A CN 106404744A CN 201610987068 A CN201610987068 A CN 201610987068A CN 106404744 A CN106404744 A CN 106404744A
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China
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sample
raman spectrum
beam splitter
plus lens
imaging
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CN201610987068.2A
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CN106404744B (en
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熊胜军
夏征
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Beijing Huatai Lion Technology Co Ltd
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Beijing Huatai Lion Technology Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/65Raman scattering

Abstract

The invention discloses a portable directive Raman spectrum acquisition system and method. The system comprises a Raman spectrum acquisition device (1), an imaging illumination light source (2), an optical signal video display device (3), a mobile platform (4), a clamp (5) and a sample containing device (6). The Raman spectrum acquisition device (1) comprises a laser device and a spectrum analyzer. Light rays of the imaging illumination light source (2) illuminate a sample containing space of the sample containing device (6) or are transmitted to an acquisition point of the Raman spectrum acquisition device (1) through an optical system in the Raman spectrum acquisition device (1). The optical signal video display device (3) comprises an imaging camera and an image display screen. According to the scheme, an internal optical path of a measuring instrument and the measuring mode do not need to be changed, so that the technical cost is low, and applicability is high; the sampling range is wide, result reliability is high, and the portable directive Raman spectrum acquisition system and method are especially suitable for sampling of mixtures and sparse samples.

Description

A kind of portable directivity Raman spectrum acquisition system and acquisition method
Technical field
The present invention relates to spectrographic detection technical field, more particularly, to a kind of portable directivity Raman spectrum acquisition system and Acquisition method.
Background technology
Laser activated spectroscopic Detection Techniques include Raman spectroscopic detection technology, fluorescence spectrum Detection Techniques and plasma light Spectrum Detection Techniques etc..LASER Light Source as the excitation source of these optical phenomenas, its performance characteristics such as power, the angle of divergence, ripple Length, half-peak breadth etc. will directly affect the combination property of corresponding detector.It is current use based on the spectroanalysis instrument of grating/prism Most commonly used spectral detection device, its optical texture mainly includes:Slit, collimating optical system, grating/prism, collection light System, detector/detector array;Laser instrument species is various, has semiconductor laser, solid state laser, optical fiber laser Deng.
Traditional handheld Raman spectrometer, laser beam concentrates on a point, so results in the information capturing It is only the sub-fraction of sample.Then in practice, it is necessary for the accuracy of measurement result is compromised, heterogeneous sample The measurement result of error ratio homogeneous sample of the accuracy of measurement result error bigger.Additionally, the intensity with laser increases Greatly, sample can be led to be heated situation about even decomposing occur.
Content of the invention
Blindly gather to solve single-point in prior art, the low problem of collecting efficiency, the invention provides a kind of portable Formula directivity Raman spectrum acquisition system and acquisition method.
The portable directivity Raman spectrum acquisition system that the present invention provides, including:Raman spectrum harvester, imaging are shone Mingguang City source, optical signal video display devices, mobile platform, clamper, sample storing apparatus;
Described Raman spectrum harvester includes laser instrument and optical spectrum analyser, the collection of described Raman spectrum harvester In the sample containment space corresponding to described sample storing apparatus for the point;
The light of imaging illumination light source exposes to the sample containment space of described sample storing apparatus or described imaging is shone The light in Mingguang City source is transmitted to the institute of described Raman spectrum harvester by optical system in described Raman spectrum harvester State on collection point;
Described optical signal video display devices include image camera and image display panel, and described imaging phase place is used for gathering institute State the optical signal in the sample imaging focal plane of Raman spectrum harvester, described optical signal is converted to electric image signal, defeated Enter to the described image display screen for showing the described image signal of telecommunication;
Described mobile platform include for the manual screw-type adjusting described mobile platform position position control or DYN dynamic position control for mobile platform position described in motorized adjustment;
Described clamper is fixed on described mobile platform, and described sample storing apparatus are fixed in described clamper.
Above-mentioned portable directivity Raman spectrum acquisition system also has the characteristics that:
Described sample storing apparatus are sample bottle, and described clamper is Bottle holder;Described clamper is default for adding The clamp structure of the columnar object in size range.
Above-mentioned portable directivity Raman spectrum acquisition system also has the characteristics that:
Described clamper be including at least three flexible springs pieces centering clamper or be triangle catching plate self-centering Clamper.
Above-mentioned portable directivity Raman spectrum acquisition system also has the characteristics that:
Described sample storing apparatus are wiper blade, and described wiper blade includes the adhesion zone for bonding sample;Described clamping Device includes wiping film trap, and described wiper blade is plugged in described wiping film trap.
Above-mentioned portable directivity Raman spectrum acquisition system also has the characteristics that:
Described Raman spectrum harvester includes:The sampling converged laser beam for output and receive sample Raman scattering Head, the first plus lens, beam splitter, the second plus lens, the 3rd convergence imaging len;Wherein, the laser light of described sampling head Beam convergence focus is overlapped with the convergence focus of described first plus lens, and described first plus lens will be launched from converging focal point Light beam collimated after input to described beam splitter, light beam is transmitted through described second plus lens by described beam splitter, described The laser beam receiving is converged by the second plus lens, and the focus of described second plus lens is adopted for described Raman spectrum The described collection point of acquisition means;Described second plus lens is also by the beam collimation of sample reflection at described first laser convergent point After input to described beam splitter, the visual light imaging light beam receiving from described second plus lens is reflexed to by described beam splitter Described 3rd convergence imaging len, it is burnt flat that the light beam receiving is converged to described sample imaging by described 3rd convergence imaging len In face, described beam splitter transmission simultaneously is converged thoroughly from the raman spectral signal that described second plus lens receives to described first Jing Chu, and it is input to described sampling head.
Above-mentioned portable directivity Raman spectrum acquisition system also has the characteristics that:
Described Raman spectrum harvester includes:The sampling converged laser beam for output and receive sample Raman scattering Head, beam splitter, the second plus lens, the 3rd convergence imaging len;Wherein, the parallel laser beam of described sampling head output, institute State beam splitter and laser beam is transmitted through described second plus lens, the laser beam receiving is entered by described second plus lens Row converges, and the focus of described second plus lens is described Raman spectrum harvester collection point;Described second plus lens is also To input to described beam splitter after the beam collimation of sample reflection at described first laser convergent point, described beam splitter will be from described The light beam that second plus lens receives reflexes to described 3rd convergence imaging len, and described 3rd convergence imaging len will receive To light beam converge in described sample imaging focal plane.
Above-mentioned portable directivity Raman spectrum acquisition system also has the characteristics that:
Described Raman spectrum harvester also includes being arranged between described beam splitter and described 3rd convergence imaging len The second half-reflection and half-transmission beam splitter be arrangeding in parallel with described beam splitter;
Described imaging illumination light source is located at the side of described second half-reflection and half-transmission beam splitter;
The source light of described imaging illumination light source inputs to described second half-reflection and half-transmission beam splitter, and described the second half anti-half The source light receiving is reflexed to described beam splitter by beam splitter thoroughly;Described second half-reflection and half-transmission beam splitter also will be from beam splitter The light beam of transmission is transmitted through described 3rd convergence imaging len.
The method carrying out Raman spectrum collection using above-mentioned portable directivity Raman spectrum acquisition system in the present invention Including:
Sample is positioned over sample storing apparatus, opens the laser instrument of Raman spectrum harvester, open described imaging and shine Mingguang City source;
Show the video image of sample by described optical signal video display devices, by the light of Raman spectrum harvester Spectralyzer shows the spectral signal of sample;
The video image of the sample according to described optical signal video display devices and described optical spectrum analyser show The spectral signal of sample, adjusts the position control of described mobile platform,
Said method also has the characteristics that:
Sample is positioned over sample storing apparatus include:
When described sample storing apparatus are sample bottle, sample is positioned in described sample bottle;
During described sample storing apparatus wiper blade, sample is adhered to the adhesion zone of described wiper blade, by wiper blade grafting In the wiper blade draw-in groove of described clamper, and make the center of sample area and the collection point of described Raman spectrum harvester The light shaft coaxle being located.
Present invention application video imaging technique, is determined corresponding to laser beam by the image that imaging signal video frequency shows Sample position, the spectral signal according to Raman spectrometer, can be according to scanning need confirming the composition of correspondence position sample Mobile platform to be adjusted, makes the diverse location that laser beam scans sample carry out the fine measurement of Raman spectrum, thus collecting More fully sample signal, obtains reliable analysis result.
The system of the present invention can use as the accessory of various Raman spectrometers, accurately the taking aim at of achievable sampling point position Standard, advantage includes:
1st, any change need not be made to measuring instrument inside light path and measurement pattern, technical costss are low, the suitability is high;
2nd, sample range is big, and result reliability is high, is particularly well-suited to mixture and the sampling of sparse sample;
3rd, precisely detect, signals collecting efficiency high.
Brief description
Fig. 1 is the structure chart of portable directivity Raman spectrum acquisition system in embodiment one;
Fig. 2 is the structure chart of portable directivity Raman spectrum acquisition system in embodiment two;
Fig. 3 is the structure chart of portable directivity Raman spectrum acquisition system in embodiment three;
Fig. 4 is the structure chart of example IV portable directivity Raman spectrum acquisition system;
Fig. 5 is the structure chart of the portable directivity Raman spectrum acquisition system of embodiment five;
Fig. 6 is the flow chart of portable directivity Raman spectrum acquisition method in embodiment;
Fig. 7 is the using effect schematic diagram of the present invention in embodiment.
Specific embodiment
Purpose, technical scheme and advantage for making the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described it is clear that described embodiment is The a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art The every other embodiment being obtained under the premise of not making creative work, broadly falls into the scope of protection of the invention.Need Illustrate, in the case of not conflicting, the embodiment in the application and the feature in embodiment can mutual combination in any.
The present invention adopts video imaging technique, is determined corresponding to laser beam by the image that imaging signal video frequency shows Sample position, the spectral signal according to Raman spectrometer is confirming the composition of correspondence position sample.Below by multiple realities Apply example and describe the present invention in detail.
Embodiment one
Fig. 1 is the structure chart of portable directivity Raman spectrum acquisition system in embodiment one;This system includes:Raman light Spectrum harvester 1, imaging illumination light source 2, optical signal video display devices 3, mobile platform 4, clamper 5, sample storing apparatus 6.
Raman spectrum harvester 1 includes laser instrument and optical spectrum analyser, and the collection point of Raman spectrum harvester 1 corresponds to In the sample containment space of sample storing apparatus 6.
The light of imaging illumination light source 2 exposes to sample containment space or the imaging illumination light source 2 of sample storing apparatus 6 Light transmitted to the described collection point of Raman spectrum harvester 1 by optical system in Raman spectrum harvester 1.
Optical signal video display devices 3 include image camera and image display panel, and imaging phase place is used for gathering Raman spectrum Optical signal in the sample imaging focal plane of harvester 1, converts optical signals to electric image signal, inputs to for showing The image display panel of electric image signal.
Mobile platform 4 includes position control or use for the manual screw-type adjusting described mobile platform 4 position DYN dynamic position control in motorized adjustment mobile platform 4 position.
Clamper 5 is fixed on mobile platform 4, and sample storing apparatus 6 are fixed in clamper 5.
In the present embodiment one, Raman spectrum harvester 1 includes:Converge laser beam for output and receive sample Raman The sampling head 11 of scattering, the first plus lens 12, beam splitter 13, the second plus lens the 14, the 3rd converge imaging len 15.Its In, the laser beam of sampling head 11 is converged focus and is overlapped with the convergence focus of the first plus lens 12, and the first plus lens 12 will Input to beam splitter 13 after being collimated from the light beam converging focal point transmitting, it is saturating that light beam is transmitted through the second convergence by beam splitter 13 Mirror 14, the laser beam receiving is converged by the second plus lens 14, and the focus of the second plus lens 14 is described Raman The collection point of spectra collection device;Second plus lens 14 also will be defeated after the beam collimation of sample reflection at first laser convergent point Enter to beam splitter 13, the visual light imaging light beam receiving from the second plus lens 14 is reflexed to the 3rd and pools by beam splitter 13 As lens 15, the light beam receiving is converged in sample imaging focal plane by the 3rd convergence imaging len 15, beam splitter 13 simultaneously Transmission is at the raman spectral signal that the second plus lens 14 receives to described first plus lens 12, and is input to sampling head 11.The angle of the wherein light beam of beam splitter 13 and the first plus lens 12 output is 45 degree, with the second plus lens 14 output The angle of light beam is also 45 degree or other angles, its transmission laser and raman spectral signal, reflecting part visible light wave The light of section is used for being imaged.
Sample storing apparatus 6 are sample bottle, and clamper 5 is Bottle holder;Clamper 5 is for adding in the range of pre-set dimension Columnar object clamp structure.Typically, clamper 5 be including at least three flexible springs pieces centering clamper or Make heart clamp holder for triangle catching plate by oneself.For example:Clamper 5 include ring frame, be uniformly fixed on ring frame at least three Individual cramping body, the fixing end of cramping body is fixed on ring frame by spring, be in each cramping body during non-clamping state from Center together in clamper 5 is collected by end.
Embodiment two
Fig. 2 is the structure chart of portable directivity Raman spectrum acquisition system in embodiment two;Embodiment two and embodiment One difference is in Raman spectrum harvester 1 not comprising the first plus lens 12.Raman spectrum in embodiment two Harvester 1 includes:Converge laser beam for output and receive the sampling head 11 of sample Raman scattering, beam splitter 13, second Plus lens the 14, the 3rd converges imaging len 15;Wherein, sampling head 11 exports parallel laser beam, and beam splitter 13 is by laser Light beam is transmitted through the second plus lens 14, and the laser beam receiving is converged by the second plus lens 14, and second converges thoroughly The focus of mirror 14 is the collection point of described Raman spectrum harvester, and the second plus lens 14 is also by sample at first laser convergent point Input to beam splitter 13 after the beam collimation of product reflection, the light beam receiving from the second plus lens 14 is reflexed to by beam splitter 13 3rd convergence imaging len 15, the light beam receiving is converged to described sample imaging focal plane by the 3rd convergence imaging len 15 Interior.
Embodiment three
Fig. 3 is the structure chart of portable directivity Raman spectrum acquisition system in embodiment three;Embodiment three and embodiment One difference is that the structure of sample storing apparatus 6 is different.In embodiment three, sample storing apparatus 6 are wiper blade, wipe Piece includes the adhesion zone for bonding sample, and clamper 5 includes wiping film trap, and wiper blade is plugged in wiping film trap.Wiper blade Base material be metal, unstressed configuration or low Poison quartz glass.The center of the adhesion zone of wiper blade can correspond to wipe It is also possible to not correspond to the center of wiper blade, the adhesion zone of such as wiper blade is located at the center position on the lower side of wiper blade at the center of piece Put, adhesion zone is pasted with glue or the double faced adhesive tape of unstressed configuration or low Poison in unused state, and covers in glue or double faced adhesive tape It is stamped viscose glue protective layer, during use, removes viscose glue protective layer, wipe samples make sample be adhered to adhesion zone.Adhesion zone is being wiped The position setting wiping piece need to ensure the light shaft coaxle that the center of adhesion zone is located with the collection point of Raman spectrum harvester 1, that is, Light shaft coaxle with the convergence side of the second plus lens 14.
Example IV
Fig. 4 is the structure chart of portable directivity Raman spectrum acquisition system in example IV;Example IV and embodiment Two difference is that the structure of sample storing apparatus 6 is different.In example IV sample storing apparatus 6 be with embodiment three in Sample storing apparatus 6 structure identical device.
The mode that above-described embodiment one to four all employs direct lighting is imaged lighting source 2 directly from side coil illumination The mode of sample.In embodiment one to four, imaging illumination light source 2 can use single light source, and multiple light sources pair may also be employed Claim, annular array is in the side of sample storing apparatus 6, and scattering sheet can be added to make maintaining uniform illumination at sample.
Taking embodiment one as a example, the lighting system changing embodiment one obtains embodiment five.
Embodiment five
Fig. 5 is the structure chart of portable directivity Raman spectrum acquisition system in example IV.Embodiment five and enforcement one Difference be the difference of lighting system.In embodiment five, Raman spectrum harvester 1 also includes being arranged at beam splitter 13 And the 3rd converge imaging len 15 between the second half-reflection and half-transmission beam splitter 16 be arrangeding in parallel with beam splitter 13.Imaging illumination light Source 2 is located at the side of the second half-reflection and half-transmission beam splitter 16.The source light of imaging illumination light source 2 inputs and divides to the second half-reflection and half-transmission Bundle mirror 16, the source light receiving is reflexed to beam splitter 13, the second half-reflection and half-transmission beam splitting by the second half-reflection and half-transmission beam splitter 16 Light beam from beam splitter 13 transmission is also transmitted through the 3rd convergence imaging len 15 by mirror 16.Wherein, imaging illumination light source 2 is launched Light beam of light source converges to, by the second plus lens 14, the light beam warp at the sample of first laser convergent point 101, being scattered by sample After second plus lens 14 collimation, the second half-reflection and half-transmission beam splitter 16 is reflexed to by beam splitter 13, segment beam is via the second half Anti- semi-transparent beam splitter 16 is transmitted through the 3rd convergence imaging len 15, and light beam is converged to optical signal and regards by the 3rd convergence imaging len 15 The focal plane of the light signal collection product of frequency display unit 3.
Lighting system in embodiment two, three, four all can be changed to implement the lighting system described in five.Herein no longer Repeated description.
Fig. 6 is the flow process of the method carrying out Raman spectrum collection using above-mentioned portable directivity Raman spectrum acquisition system Figure, the method includes:Sample is positioned in sample storing apparatus 6, opens the laser instrument of Raman spectrum harvester 1, open Imaging illumination light source 2;Show the video image of sample by optical signal video display devices 3, by Raman spectrum harvester 1 Optical spectrum analyser show sample spectral signal;The video image of the sample according to optical signal video display devices 3 Show the spectral signal of sample with optical spectrum analyser, adjust the position control of mobile platform 4.
In this method, the step that sample is positioned over sample storing apparatus 6 includes:
When sample storing apparatus 6 are sample bottle, sample is positioned in sample bottle;
During sample storing apparatus 6 wiper blade, sample is adhered to the adhesion zone of described wiper blade, wiper blade is plugged in In the wiper blade draw-in groove of described clamper 5, and the center of sample area is made to be located with the collection point of Raman spectrum harvester 1 Light shaft coaxle.
Fig. 7 is the design sketch of the system and method using the present invention.For sample area in the in figure square frame of upper left, The in figure of upper right portion is the enlarged drawing of sample in sample area.For sparse sample, circular on the left of laser beam be aligned in figure The raman spectral signal of sample during sampled point, can be collected, it is impossible to collect during laser beam be aligned in figure right circle sampled point The raman spectral signal of sample.Testing staff can adjust the position of mobile platform according to the strength conditions of the spectral signal of spectrogrph Put, thus being sampled on a large scale as far as possible to sparse sample.
Present invention application video imaging technique, is determined corresponding to laser beam by the image that imaging signal video frequency shows Sample position, the spectral signal according to Raman spectrometer, can be according to scanning need confirming the composition of correspondence position sample Mobile platform to be adjusted, makes the diverse location that laser beam scans sample carry out the fine measurement of Raman spectrum, thus collecting More fully sample signal, obtains reliable analysis result.
The system of the present invention can use as the accessory of various Raman spectrometers, accurately the taking aim at of achievable sampling point position Standard, advantage includes:
1st, any change need not be made to measuring instrument inside light path and measurement pattern, technical costss are low, the suitability is high;
2nd, sample range is big, and result reliability is high, is particularly well-suited to mixture and the sampling of sparse sample;
3rd, precisely detect, signals collecting efficiency high.
Descriptions above can combine individually or in every way enforcement, and these variant all exist Within protection scope of the present invention.
Herein, term " inclusion ", "comprising" or its any other variant are intended to comprising of nonexcludability, from And make to include a series of article of key elements or equipment not only includes those key elements, but also inclusion be not expressly set out its His key element, or also include for this article or the intrinsic key element of equipment.In the absence of more restrictions, by language Key element that sentence " include ... " limits it is not excluded that also exist in the article including key element or equipment other identical will Element.
Above example only in order to technical scheme to be described and unrestricted, reference only to preferred embodiment to this Bright it has been described in detail.It will be understood by those within the art that, technical scheme can be modified Or equivalent, without deviating from the spirit and scope of technical solution of the present invention, all should cover the claim model in the present invention In the middle of enclosing.

Claims (9)

1. a kind of portable directivity Raman spectrum acquisition system is it is characterised in that include:Raman spectrum harvester (1), one-tenth As lighting source (2), optical signal video display devices (3), mobile platform (4), clamper (5), sample storing apparatus (6);
Described Raman spectrum harvester (1) includes laser instrument and optical spectrum analyser, the adopting of described Raman spectrum harvester (1) In the sample containment space corresponding to described sample storing apparatus (6) for the collection point;
The light of imaging illumination light source (2) exposes to the sample containment space of described sample storing apparatus (6) or described imaging The light of lighting source (2) is transmitted to the collection of described Raman spectrum by optical system in described Raman spectrum harvester (1) On the described collection point of device (1);
Described optical signal video display devices (3) include image camera and image display panel, and described imaging phase place is used for gathering institute State the optical signal in the sample imaging focal plane of Raman spectrum harvester (1), described optical signal be converted to electric image signal, Input to the described image display screen for showing the described image signal of telecommunication;
Described mobile platform (4) include for the manual screw-type adjusting described mobile platform (4) position position control or Person is used for the DYN dynamic position control of mobile platform (4) position described in motorized adjustment;
Described clamper (5) is fixed on described mobile platform (4), and described sample storing apparatus (6) are fixed on described clamper (5) in.
2. as claimed in claim 1 portable directivity Raman spectrum acquisition system it is characterised in that
Described sample storing apparatus (6) are sample bottle, and described clamper (5) is Bottle holder;Described clamper (5) is for adding The clamp structure of the columnar object in the range of pre-set dimension.
3. as claimed in claim 2 portable directivity Raman spectrum acquisition system it is characterised in that
Described clamper (5) is press from both sides including the centering clamper of at least three flexible springs pieces or for triangle catching plate self-centering Holder.
4. as claimed in claim 1 portable directivity Raman spectrum acquisition system it is characterised in that
Described sample storing apparatus (6) are wiper blade, and described wiper blade includes the adhesion zone for bonding sample;Described clamper (5) include wiping film trap, described wiper blade is plugged in described wiping film trap.
5. as claimed in claim 1 portable directivity Raman spectrum acquisition system it is characterised in that
Described Raman spectrum harvester (1) includes:The sampling converged laser beam for output and receive sample Raman scattering Head (11), the first plus lens (12), beam splitter (13), the second plus lens (14), the 3rd convergence imaging len (15);Its In, the laser beam of described sampling head (11) is converged focus and is overlapped with the convergence focus of described first plus lens (12), described First plus lens (12) will input to described beam splitter (13) after being collimated from the light beam converging focal point transmitting, described point Light beam is transmitted through described second plus lens (14) by Shu Jing (13), and described second plus lens (14) is by the laser light receiving Shu Jinhang converges, and the focus of described second plus lens (14) is the described collection point of described Raman spectrum harvester;Described Second plus lens (14) also will input to described beam splitter after the beam collimation of sample reflection at described first laser convergent point (13), the visual light imaging light beam receiving from described second plus lens (14) is reflexed to described by described beam splitter (13) Three converge imaging len (15), and it is burnt that the light beam receiving is converged to described sample imaging by described 3rd convergence imaging len (15) In plane, the raman spectral signal that described beam splitter (13) transmission simultaneously receives from described second plus lens (14) is extremely described First plus lens (12) place, and it is input to described sampling head (11).
6. as claimed in claim 1 portable directivity Raman spectrum acquisition system it is characterised in that
Described Raman spectrum harvester (1) includes:The sampling converged laser beam for output and receive sample Raman scattering Head (11), beam splitter (13), the second plus lens (14), the 3rd convergence imaging len (15);Wherein, described sampling head (11) is defeated Go out parallel laser beam, laser beam is transmitted through described second plus lens (14) by described beam splitter (13), described second The laser beam receiving is converged by plus lens (14), and the focus of described second plus lens (14) is described Raman light Spectrum harvester collection point;Described second plus lens (14) also will be accurate for the light beam of sample reflection at described first laser convergent point Directly input afterwards to described beam splitter (13), the light beam that described beam splitter (13) will receive from described second plus lens (14) is anti- It is incident upon the described 3rd and converges imaging len (15), the light beam receiving is converged to described by described 3rd convergence imaging len (15) In sample imaging focal plane.
7. the portable directivity Raman spectrum acquisition system as described in claim 5 or 6 it is characterised in that
Described Raman spectrum harvester (1) also includes being arranged at described beam splitter (13) and described 3rd convergence imaging len (15) the second half-reflection and half-transmission beam splitter (16) be arrangeding in parallel with described beam splitter (13) between;
Described imaging illumination light source (2) is located at the side of described second half-reflection and half-transmission beam splitter (16);
The source light of described imaging illumination light source (2) inputs to described second half-reflection and half-transmission beam splitter (16), and described the second half The source light receiving is reflexed to described beam splitter (13) by anti-semi-transparent beam splitter (16);Described second half-reflection and half-transmission beam splitter (16) also the light beam from beam splitter (13) transmission is transmitted through the described 3rd and converges imaging len (15).
8. usage right requires the portable directivity Raman spectrum acquisition system described in any claim in 1 to 7 to be drawn The method of graceful spectra collection is it is characterised in that include:
Sample is positioned over sample storing apparatus (6), opens the laser instrument of Raman spectrum harvester (1), open described imaging Lighting source (2);
Show the video image of sample by described optical signal video display devices (3), by Raman spectrum harvester (1) Optical spectrum analyser shows the spectral signal of sample;
The video image of the sample according to described optical signal video display devices (3) and described optical spectrum analyser display sample The spectral signal of product, adjusts the position control of described mobile platform (4).
9. method as claimed in claim 8 it is characterised in that
Sample is positioned over sample storing apparatus (6) include:
When described sample storing apparatus (6) are sample bottle, sample is positioned in described sample bottle;
During described sample storing apparatus (6) wiper blade, sample is adhered to the adhesion zone of described wiper blade, wiper blade is plugged in In the wiper blade draw-in groove of described clamper (5), and make the center of sample area and adopting of described Raman spectrum harvester (1) The light shaft coaxle that collection point is located.
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CN109580494A (en) * 2018-11-21 2019-04-05 深圳达闼科技控股有限公司 A kind of detection method, relevant apparatus and storage medium

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