CN203658261U - Tester for measuring stimulated luminescence dosage of movable optical fiber - Google Patents
Tester for measuring stimulated luminescence dosage of movable optical fiber Download PDFInfo
- Publication number
- CN203658261U CN203658261U CN201420010867.0U CN201420010867U CN203658261U CN 203658261 U CN203658261 U CN 203658261U CN 201420010867 U CN201420010867 U CN 201420010867U CN 203658261 U CN203658261 U CN 203658261U
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- light
- upper cover
- analyzer
- tester
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a tester for measuring the optically stimulated luminescence dosage of a movable optical fiber. The tester comprises an excitation light source, a photomultiplier, a beam splitter, the plastic optical fiber, an upper cover of the tester, a sample tray and an optical fiber moving device, wherein the optical fiber moving device is arranged on the upper cover of the tester and comprises a transmission mechanism and a motor module; the transmission mechanism comprises a worm gear, a worm and a rack frame; the motor module is provided with a stepping motor; the motor module and the rack frame are fixed on the upper cover of the tester; the transmission mechanism passes through the upper cover of the tester and is arranged on the upper cover of the tester by the rack frame; the worm gear is connected with the stepping motor in a coaxial way and is meshed with the worm; one end of the plastic optical fiber is stuck with the worm by an adhesive, and the other end of the plastic optical fiber is divided into two paths by the beam splitter; one path is connected with the excitation light source, and the other path is connected with the photomultiplier. The transmission structure of the worm gear and the worm is utilized by the tester, so that the position of the optical fiber can be accurately controlled, the excitation efficiency and the detection efficiency are improved, and the testing accuracy of the optically stimulated luminescence dosage can be improved.
Description
Technical field
The utility model belongs to geologic dating equipment technical field, and the light that relates to a kind of removable optical fiber is released light dosage analyzer.
Background technology
The radiation that the defect producing in solid mineral crystal generative process and acquired environment bring it all can cause the lattice imperfection of its crystals, form free energy storage electronics, and be stored in the stimulation once external energy of these energy storage electronics in crystal, will launch photon.Adopt luminous energy to excite the method for mineral crystal to be called light and release light.Light is released only a kind of phosphorescence, and for same mineral crystal, under fixing light source and identical shooting conditions, the photon total amount of this phosphorescence is directly proportional to the total amount of energy storage electronics in solid.This is the theoretical foundation that light is released light technology and be applied to crystal dosimetry and dating.
In some papers and patent documentation, mentioned at present and adopted optical fiber to carry out the transmission of excitation source, but its interface loss is very large, and all do not consider emphatically the problem that affects of closing on print.Conventionally adopting excitation source direct irradiation sample surfaces,, not only there is the problem that light source emission efficiency is low in mode when test, sample upwards being promoted, and also can be leaked to and close on print, the accuracy that impact is measured.
Utility model content
The purpose of this utility model is to provide a kind of light of removable optical fiber and releases light dosage analyzer, to optimize the transmitting function of optical fiber, reduce sample excitation and light and release the distance of photodetection, improve light and release exciting of light dosage determining instrument and detection efficiency, improve light and release the sealing of optical tests, reduce the impact of adjacent print, improve the accuracy of measuring.
The light of the removable optical fiber of the utility model is released light dosage analyzer, comprises excitation source, photomultiplier, beam splitter, plastic optical fiber, analyzer upper cover, sample disc and optical fiber mobile device.Optical fiber mobile device is arranged on analyzer upper cover.Optical fiber mobile device comprises gear train and motor module, and gear train is made up of worm gear, worm screw and rack frame, and motor module is provided with stepper motor.Motor module and rack frame are fixed on analyzer upper cover, and gear train is arranged on analyzer upper cover by rack frame.Worm gear is coaxially connected with stepper motor, and worm gear and worm screw are intermeshing.One end of plastic optical fiber bonds together with glue and worm screw, and the other end is divided into two-way by beam splitter, and a road is connected to excitation source, and another road is connected to photomultiplier.
Plastic optical fiber is made up of single fiber cores, optical fiber coating and fiber outer layer, and the diameter of fiber cores is 8～15mm.Optical fiber mobile device comprises duty and rotation status, and when rotation status, plastic optical fiber separates with the sample cell of sample disc, and sample disc can rotate freely.When duty, plastic optical fiber drops to sample cell, approaches print.Worm screw comprises worm screw upper cover, worm screw base, plastic optical fiber and plug.Sample disc is provided with 10～60 sample cells, and sample cell is concave structure, and the degree of depth of sample cell is 1.5～5mm.
Compared with prior art, the beneficial effects of the utility model are: 1., by the optical fiber mobile device of motor module and gear train composition, utilize the drive mechanism of worm gear, worm screw to realize the accurate control to fiber position, improve the efficiency of arousal function and detection.2. use large diameter plastic optical fiber, increased the efficiency of optically-coupled, improved light source activation intensity, therefore overcome prior art fibre bundle clear field little, inefficient problem.3. excitation source when work, press switch, optical fiber drops to assigned address, and optical fiber apart from little, is conducive to improve excitation light source excites and light and releases the efficiency of photodetection with print.4. the spill sample cell of the degree of depth and the decline function of optical fiber, be conducive to weaken the impact on adjacent print, improves light and release the accuracy that light dosage is measured.5. simplified the loaded down with trivial details sample lifting means in sample disc structure.
Brief description of the drawings
Fig. 1 is the structural representation that the light of the removable optical fiber of the utility model is released light dosage analyzer;
Fig. 2 is the schematic cross-section of plastic optical fiber;
Fig. 3 is the location drawing that light is released plastic optical fiber under light dosage determining instrument duty;
Fig. 4 is the location drawing that light is released plastic optical fiber under light dosage determining instrument rotation status;
The assembling schematic diagram of Fig. 5 gear train and motor module;
Fig. 6 is the side view of Fig. 5;
Fig. 7 is the vertical view of Fig. 5;
Fig. 8 is worm structure schematic diagram;
Fig. 9 is the schematic cross-section of ordinary optic fibre bundle.
Wherein:
1-excitation source, 2-photomultiplier, 3-beam splitter, 4-plastic optical fiber, 5-gear train, 6-motor module, 7-print, 8-sample disc, 9-analyzer upper cover, 10-sample cell, 11-worm screw upper cover, 12-fiber outer layer, 13-worm screw base, 14-optical fiber coating, 15-fiber cores, 16-worm gear, 17-worm screw, 18-glue, 19-stepper motor, 20-rack frame.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
The light of the removable optical fiber of the utility model is released light dosage analyzer as shown in Figure 1, comprises excitation source 1, photomultiplier 2, beam splitter 3, plastic optical fiber 4, gear train 5, motor module 6, analyzer upper cover 9, sample disc 8 and optical fiber mobile device.Optical fiber mobile device comprises gear train 5 and motor module 6, and motor module and gear train are arranged on analyzer upper cover, and gear train is through motor module and analyzer upper cover.Sample disc 8 is provided with 10 sample cells 10, and sample cell is concave structure, and the degree of depth of sample cell is 2.5mm.
As shown in Fig. 5～Fig. 7, motor module is provided with stepper motor 19, and gear train is made up of worm gear 16, worm screw 17 and rack frame 20.Motor module and rack frame 20 are all fixed on analyzer upper cover 9, and gear train, through motor module and analyzer upper cover, is arranged on analyzer upper cover 9 by rack frame.Worm gear is coaxially connected with stepper motor, and worm gear and worm screw are intermeshing.One end of plastic optical fiber bonds together with glue 18 and worm screw, and the other end is divided into two-way by beam splitter, and a road is connected to excitation source, and another road is connected to photomultiplier.As shown in Figure 2, plastic optical fiber 4 is made up of single fiber cores 15, optical fiber coating 14 and fiber outer layer 12, and the diameter of fiber cores is 10mm.As shown in Figure 8, worm screw comprises worm screw upper cover 11, worm screw base 13, plastic optical fiber 4 and plug.The installation method of optical fiber worm screw transfer structure is: first plastic optical fiber is bonded on worm screw base, then worm and wheel engagement is inserted, adjust the correct position of fiber-optic probe end.When plastic optical fiber and print need to be approached, press button, certain process of automatically advancing, arrives excite/detecting location.As seen from Figure 9, the fibre bundle being formed by multiple ordinary optic fibres, the gap between optical fiber can not lead to light, and due to the existence of optical fiber coating, causes its effective clear field to dwindle, and adopts single large diameter plastic optical fiber 4 to overcome above-mentioned defect.Therefore, adopt compared with the fibre bundle of single major diameter plastic optical fiber and ordinary optic fibre composition, coupling efficiency significantly improves.
Optical fiber mobile device comprises duty and rotation status, and as shown in Figure 3, when rotation status, plastic optical fiber separates with the sample cell of sample disc, and has certain distance, and sample disc can rotate freely.As shown in Figure 4, when duty, plastic optical fiber drops to sample cell, approaches print 7.Optical fiber and print distance is little, is conducive to improve excitation light source excites and light and releases the efficiency of photodetection, owing to using the sample disc of depth samples groove and the decline function of optical fiber, is conducive to weaken the impact on adjacent print, has improved the accuracy of measuring.In order to ensure launching efficiency, light is released in light dosage test, and excitation source approaches print as far as possible.
Claims (5)
1. the light of a removable optical fiber is released light dosage analyzer, comprise excitation source (1), photomultiplier (2), beam splitter (3), plastic optical fiber (4), analyzer upper cover (9), sample disc (8) and optical fiber mobile device, described optical fiber mobile device is arranged on analyzer upper cover, it is characterized in that: described optical fiber mobile device comprises gear train (5) and motor module 6), described gear train is made up of worm gear (16), worm screw (17) and rack frame (20), and described motor module is provided with stepper motor (19); Described motor module and rack frame (20) are fixed on analyzer upper cover, and gear train is arranged on analyzer upper cover by rack frame; Described worm gear is coaxially connected with stepper motor, and worm gear and worm screw are intermeshing; The glue for one end (18) of described plastic optical fiber bonds together with worm screw, and the other end is divided into two-way by beam splitter, and a road is connected to excitation source, and another road is connected to photomultiplier.
2. the light of removable optical fiber according to claim 1 is released light dosage analyzer, it is characterized in that: described plastic optical fiber (4) is made up of single fiber cores (15), optical fiber coating (14) and fiber outer layer (12), and the diameter of described fiber cores is 8～15mm.
3. the light of removable optical fiber according to claim 1 is released light dosage analyzer, it is characterized in that: described optical fiber mobile device comprises duty and rotation status, when rotation status, plastic optical fiber separates with the sample cell (10) of sample disc, and sample disc can rotate freely; When duty, plastic optical fiber drops to sample cell, approaches print (7).
4. the light of removable optical fiber according to claim 1 is released light dosage analyzer, it is characterized in that: described worm screw comprises worm screw upper cover (11), worm screw base (13), plastic optical fiber (4) and plug.
5. light according to claim 1 is released the excitation light source device of light dosage analyzer, it is characterized in that: sample disc (8) is provided with 5～60 sample cells (10), and sample cell is concave structure, and the degree of depth of sample cell is 1.5～5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420010867.0U CN203658261U (en) | 2014-01-08 | 2014-01-08 | Tester for measuring stimulated luminescence dosage of movable optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420010867.0U CN203658261U (en) | 2014-01-08 | 2014-01-08 | Tester for measuring stimulated luminescence dosage of movable optical fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203658261U true CN203658261U (en) | 2014-06-18 |
Family
ID=50924638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420010867.0U Expired - Fee Related CN203658261U (en) | 2014-01-08 | 2014-01-08 | Tester for measuring stimulated luminescence dosage of movable optical fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203658261U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116297416A (en) * | 2023-05-22 | 2023-06-23 | 科美诊断技术股份有限公司 | Photo-excitation chemiluminescence detection device and detection method |
-
2014
- 2014-01-08 CN CN201420010867.0U patent/CN203658261U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116297416A (en) * | 2023-05-22 | 2023-06-23 | 科美诊断技术股份有限公司 | Photo-excitation chemiluminescence detection device and detection method |
| CN116297416B (en) * | 2023-05-22 | 2023-11-10 | 科美诊断技术股份有限公司 | Photo-excitation chemiluminescence detection device and detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209065925U (en) | A kind of multichannel fluorescence quantitative PCR instrument | |
| CN207318732U (en) | One kind is based on LiMgPO4:The light of Tm, Tb release the measuring system of light fibre-optical dosimeter | |
| CN102292643B (en) | Arrangement and method for controlling measurement head of optical measurement instrument | |
| CN102841052A (en) | Apparatus and method for measuring degree of cure of adhesive agent | |
| CN109211859A (en) | Hydrogel optical fiber based on luminous MOFs and preparation method thereof and sensing device | |
| CN203658261U (en) | Tester for measuring stimulated luminescence dosage of movable optical fiber | |
| CN103091268B (en) | Multi-component gas concentration measurement method based on photonic crystal groove waveguide | |
| CN201233367Y (en) | Spectral measurement apparatus by utilizing hollow photonic crystal fiber | |
| CN103063645A (en) | Efficient fluorescence detection based on novel microstructure optical fibers | |
| CN104713705B (en) | Method for testing optical property of fiber arrays | |
| CN203310753U (en) | Multi-wavelength capillary electrophoresis fluorescence excitation device | |
| CN103743712B (en) | A kind of optically stimulated luminescence dosage tester | |
| CN205038162U (en) | Fluorescence detection device | |
| CN104321698A (en) | Shutter assembly for a luminescence-based sample analyzer | |
| CN102680103A (en) | Measurement instrument for removing influence of size factor on color accuracy of diamond | |
| CN203024915U (en) | Optical torsion testing device | |
| CN100460889C (en) | Optical fibre sensor for on-line measuring lead-acid battery capacity | |
| CN102859345B (en) | Automatic analyzer | |
| CN202182781U (en) | Device for measuring the surface temperature of lithium ion battery | |
| CN203658265U (en) | Optically stimulated luminescence dosage measuring apparatus with optical fiber movement device | |
| CN113155795B (en) | Device and method for directly measuring upper energy level fluorescence lifetime of rare earth element doped optical fiber laser | |
| CN204964366U (en) | Spectrophotometer based on leaded light capillary | |
| CN205027755U (en) | Multi -functional determine module box on immunoassay appearance | |
| CN203658262U (en) | Photoluminescent dosimeter for measuring single-crystalline-grain sample | |
| CN107643273B (en) | Aggregation-induced emission biosensor based on hollow photonic crystal fiber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20170108 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |