CN102033042B - Optical waveguide biochemical sensor testing device - Google Patents
Optical waveguide biochemical sensor testing device Download PDFInfo
- Publication number
- CN102033042B CN102033042B CN2009100937668A CN200910093766A CN102033042B CN 102033042 B CN102033042 B CN 102033042B CN 2009100937668 A CN2009100937668 A CN 2009100937668A CN 200910093766 A CN200910093766 A CN 200910093766A CN 102033042 B CN102033042 B CN 102033042B
- Authority
- CN
- China
- Prior art keywords
- optical waveguide
- prism
- coupling prism
- sample cell
- input
- 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 invention discloses an optical waveguide biochemical sensor testing device, which comprises a base, a flowing sample cell holder, a prism and a prism compaction assembly, wherein the prism compaction assembly comprises an unloosening screw, an elastic element and an inverted L-shaped compaction block; two sides of the flowing sample cell holder are respectively provided with a supporting seat; the supporting seat is movably connected with the prism compaction assembly; the flowing sample cell holder is concavely arranged in the middle of a lower end face of the flowing sample cell holder and is communicated with the outside through a sample input/output pipeline; a sealing ring is arranged at the periphery of the flowing sample cell holder; the base is hinged and clamped with the flowing sample cell holder; an optical waveguide is arranged on the base; the coupling prism is positioned below the inverted L-shaped compaction block of the prism compaction assembly; and the bottom surface of the coupling prism is tightly contacted with the optical waveguide under the action of pre-compacting the elastic element. The base of the testing device is hinged with the flowing sample cell holder so as to conveniently assemble, disassemble and replace the optical waveguide; a flowing sample cell, the flowing sample cell holder and the prism compaction assembly are arranged into a whole, the contact pressing force of the prism and the optical waveguide is constant; and the testing device has a novel structure, high testing accuracy and high repeatability and is convenient to operate.
Description
Technical field
The present invention relates to optical waveguide coupled and field of sensing technologies, is a kind of optical waveguide biochemical sensor proving installation, is the vitals that is used for the optical waveguide sensing testing.
Background technology
Optical waveguide is a kind of important integrated optical device, in gas, chemistry and field of biosensors purposes is widely arranged.This is that anti-electromagnetic interference (EMI) need not to use many advantages such as fluorescence labeling agent in biochemistry is surveyed because optical waveguide sensor has highly sensitively.Optical waveguide sensor often adopts the prism-coupled method to excite and the output optical waveguide guided mode, adopts the input mode that flows that testing sample is carried out real-time detection simultaneously.For example; People such as Ross in 2003 have utilized separated component fabrication spectroelectrochemistry sensor [S.E.Ross, Y.Shi, C.J.Seliskar such as planar optical waveguide, sample cell, input and output coupling prism; W.R.Heineman, Electrochimica Acta 48 (2003) 3313-3323.]; People such as Umemura also utilized a pair of coupling prism and a sample cell to prepare planar optical waveguide chemical sensor [T.Umemura, H.Hotta, T.Abe in 2006; Y.Takahashi; H.Takiguchi, M.Uehara, T.Odake; K.Tsunoda, Anal.Chem.78 (2006) 7511-7516.].These by prism coupler and sample cell etc. separate optical waveguide sensor assembling and debugging very complicated that device constitutes, use inconvenience, stability is not high, repeatability is relatively poor.In order to improve the optical waveguide sensor performance, be necessary the prism coupler and the sample cell that flows are carried out architecture advances, through appropriate design and combination, make it to be integrated in one.
Summary of the invention
The purpose of this invention is to provide a kind of optical waveguide biochemical sensor proving installation, it is simple and practical, and is easy to operate, and complex structure, operating difficulties, the precision that has solved existing correlation technique is not high, the problem of poor repeatability.
For realizing above-mentioned purpose, technical solution of the present invention is:
A kind of optical waveguide biochemical sensor proving installation comprises base, the sample stall that flows, input and output coupling prism, prism holds down assembly and support; Its mobile sample stall both sides have a bearing respectively, respectively be connected with on two bearings one the cover input or output the coupling prism hold down assembly;
Base and mobile sample stall vertically use axial screw hinged in a side, and the mobile sample stall of hinged relative opposite side is provided with clamping screw, and base is provided with the clamping screw that matches;
Between base and mobile sample stall apparent surface, be provided with optical waveguide, mobile sample cell, O-ring seal; Optical waveguide is overlying on base upper surface, and light guide surface is long-pending less than base upper surface; At least one mobile sample cell is arranged with the middle part, lower surface in the sample stall that flows, and mobile sample cell interlinks through sample input, output channel and the external world of the mobile sample stall of up/down perforation; The sample cell cylindrical that flows is provided with O-ring seal, and O-ring seal is between optical waveguide upper surface and mobile sample stall lower surface;
Input, output coupling prism lay respectively at optical waveguide upper surface two ends, are positioned at the bearing below, during use, hold down assembly the coupling prism is pressed on the waveguide top surface by inputing or outputing the coupling prism;
Base articulated section lateral surface is fixed on support one end, the support other end be fixed on the optical table or the sensor casing in; The central axis of support overlaps with the rectangular edge of coupling prism;
During use, with articulated section and clamping screw, screw with each parts clamped and located.
Described optical waveguide biochemical sensor proving installation, the cover that respectively has been dynamically connected on its said two bearings inputs or outputs the coupling prism and holds down assembly; Wherein, the coupling prism holds down assembly, and comprises that at least two are not deviate from screw, flexible member, an inverted L shape briquetting; Bearing is provided with the screw of at least two perforations, and it is suitable with screw respectively not deviate from screw, and each is not deviate from screw and passes the bearing screw, and it passes the part cylindrical and is arranged with flexible member, and the top is fixed in the inverted L shape briquetting.
Described optical waveguide biochemical sensor proving installation; Its said input, output coupling prism lay respectively at optical waveguide upper surface two ends; Be positioned at bearing below, during use, hold down assembly the coupling prism is pressed on the optical waveguide upper surface by inputing or outputing the coupling prism;
This input, output coupling prism lay respectively in the inverted L shape briquetting lower concave part that prism holds down assembly, and the inclined-plane of two coupling prisms is outside, the parallel optical waveguide upper surface that is affixed in bottom surface, and the right angle face is perpendicular to the optical waveguide upper surface.
Described optical waveguide biochemical sensor proving installation; On its said base articulated section lateral surface; Vertically each level of two ends is provided with a support mounting hole, and support mounting hole axis overlaps with the corresponding rectangular edge extended line that inputs or outputs coupling prism bottom surface respectively.
Described optical waveguide biochemical sensor proving installation; Its said input, output coupling prism lay respectively in the inverted L shape briquetting lower concave part that prism holds down assembly; The top end face that is input, output coupling prism contacts with the recess upper end medial surface of inverted L shape briquetting, and the vertical side of input, output coupling prism contacts with the interior vertical plane of the recess side of inverted L shape briquetting.
The invention has the advantages that: the present invention acts on the prism with the constant snap-in force of the good flexible member of preset, guarantees to reach the efficient and good coupling effect of repeatability of prism and waveguide; Integrated mobile sample cell of the present invention and prism hold down assembly bearing in one, have avoided the difficulty of split device when install adjustment is changed waveguide, have improved the repeatability and the precision of test; The present invention also couples together base and mobile sample stall in hinged way, makes things convenient for Fast Installation to change waveguide and the mobile sample cell of cleaning.Apparatus structure is novel simultaneously, and is easy to operate, simple and practical, and measuring accuracy is high, good reproducibility.
Description of drawings
Fig. 1: the front view of a kind of optical waveguide biochemical sensor proving installation of the present invention;
Fig. 2: the front view of a kind of optical waveguide biochemical sensor proving installation of the present invention;
Fig. 3: the side view of a kind of optical waveguide biochemical sensor proving installation of the present invention;
Fig. 4: the optical waveguide polarization result of interference synoptic diagram that utilizes proving installation of the present invention to obtain.
Embodiment
A kind of optical waveguide biochemical sensor proving installation of the present invention is patent of invention (the invention application number: further improve on the basis 200910080063.1) in application before.
Like Fig. 1, Fig. 2, shown in Figure 3; It is a kind of optical waveguide biochemical sensor proving installation of the present invention; Among the figure, flow sample stall 1, flexible member 2, inverted L shape briquetting 3, prism 4, waveguide 5, base 6, O-ring seal 7, clamping screw 8, lower surface 9, do not deviate from screw 10, axial screw 11, support 12, sample cell 13, sample input and output pipeline 14 flow.
Input and output couplings prism 4a, 4b lay respectively in inverted L shape briquetting 3 lower concave parts that prism holds down assembly; The inclined-plane of coupling prism 4a, 4b is outside; Coupling prism 4a, parallel optical waveguide 5 upper surfaces that are affixed in 4b bottom surface; Coupling prism 4a, 4b right angle face are perpendicular to optical waveguide 5 upper surfaces, and coupling prism 4a, 4b are held down assembly by prism and be pressed on optical waveguide 5 upper surfaces; The sample cell 13 that flows is positioned at 9 middle parts, lower surface of mobile sample stall 1, and sample cell 13 peripheries that flow are with O-ring seal 7 sealings, and mobile sample cell 13 is connected with extraneous through sample input and output pipeline 14a, the 14b of the mobile sample stall 1 of up/down perforation.When being used for the test of biochemical sensors such as gas, liquid when these apparatus of the present invention, testing sample can input or output the sample cell 13 that flows through sample input and output pipeline 14a, 14b.
Two cover prisms in holding down assembly do not deviate from screw 10 with inverted L shape briquetting 3 can along the screw that connects up and down spiral shell move; Spring 2 is between bearing and the inverted L shape briquetting 3; 2 pairs of inverted L shape briquettings of the spring that is pre-compacted 3 produce constant compression force; And pressure is passed to input and output couplings prism 4a, 4b through inverted L shape briquetting 3, make the contact pressure of input and output coupling prism 4a, 4b and waveguide 5 constant; Wherein, the top end face of input and output coupling prism 4a, 4b contacts with the recess upper end medial surface of inverted L shape briquetting 3, and the vertical side of input and output coupling prism 4a, 4b contacts with the interior vertical plane of the recess side of inverted L shape briquetting 3.
A kind of optical waveguide biochemical sensor proving installation of the present invention with the good flexible member 2 constant snap-in forces of preset act on prism 4a, 4b is last, guarantees to reach the coupling effect of the efficient and good reproducibility of prism 4a, 4b and waveguide 5; And integrated bearing and mobile sample cell 13 avoided the difficulty of split device when install adjustment is changed waveguide 5 in one, improved the repeatability and the precision of test; Also in hinged way base 6 and mobile sample stall 1 are coupled together, make things convenient for Fast Installation to change waveguide 5 and the mobile sample cell 13 of cleaning.
Embodiment:
Claims (5)
1. optical waveguide biochemical sensor proving installation comprises base, the sample stall that flows, input and output coupling prism, prism holds down assembly and support; It is characterized in that the sample stall both sides of flowing have a bearing respectively, respectively be connected with a cover on two bearings and input or output the coupling prism and hold down assembly;
Base and mobile sample stall vertically use axial screw hinged in a side, and the mobile sample stall of hinged relative opposite side is provided with clamping screw, and base is provided with the clamping screw that matches;
Between base and mobile sample stall apparent surface, be provided with optical waveguide, mobile sample cell, O-ring seal; Optical waveguide is overlying on base upper surface, and light guide surface is long-pending less than base upper surface; At least one mobile sample cell is arranged with the middle part, lower surface in the sample stall that flows, and mobile sample cell interlinks through sample input, output channel and the external world of the mobile sample stall of up/down perforation; The sample cell cylindrical that flows is provided with O-ring seal, and O-ring seal is between optical waveguide upper surface and mobile sample stall lower surface;
Input, output coupling prism lay respectively at optical waveguide upper surface two ends, are positioned at the bearing below, during use, hold down assembly the coupling prism is pressed on the optical waveguide upper surface by inputing or outputing the coupling prism;
Base articulated section lateral surface is fixed on support one end, the support other end be fixed on the optical table or the sensor casing in; The central axis of support overlaps with the rectangular edge of input coupling prism;
During use, with base articulated section and clamping screw, clamp screw with each parts clamped and located.
2. optical waveguide biochemical sensor proving installation as claimed in claim 1 is characterized in that, the cover that respectively has been dynamically connected on said two bearings inputs or outputs the coupling prism and holds down assembly; Wherein, the coupling prism holds down assembly, and comprises that at least two are not deviate from screw, flexible member, an inverted L shape briquetting; Bearing is provided with the screw of at least two perforations, and it is suitable with screw respectively not deviate from screw, and each is not deviate from screw and passes the bearing screw, and it passes the part cylindrical and is arranged with flexible member, and the top is fixed in the inverted L shape briquetting.
3. according to claim 1 or claim 2 optical waveguide biochemical sensor proving installation; It is characterized in that; Said input, output coupling prism lay respectively at optical waveguide upper surface two ends; Be positioned at bearing below, during use, hold down assembly the coupling prism is pressed on the optical waveguide upper surface by inputing or outputing the coupling prism;
This input, output coupling prism lay respectively in the inverted L shape briquetting lower concave part that prism holds down assembly, and the inclined-plane of two coupling prisms is outside, the parallel optical waveguide upper surface that is affixed in bottom surface, and the right angle face is perpendicular to the optical waveguide upper surface.
4. optical waveguide biochemical sensor proving installation as claimed in claim 1; It is characterized in that; On the lateral surface of said base articulated section; Vertically each level of two ends is provided with a support mounting hole, and support mounting hole axis overlaps with the corresponding rectangular edge extended line that inputs or outputs coupling prism bottom surface respectively.
5. like claim 1 or 3 described optical waveguide biochemical sensor proving installations; It is characterized in that; Said input, output coupling prism lay respectively in the inverted L shape briquetting lower concave part that prism holds down assembly; The top end face that is input, output coupling prism contacts with the recess upper end medial surface of inverted L shape briquetting, and the vertical side of input, output coupling prism contacts with the interior vertical plane of the recess side of inverted L shape briquetting.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009100937668A CN102033042B (en) | 2009-09-28 | 2009-09-28 | Optical waveguide biochemical sensor testing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009100937668A CN102033042B (en) | 2009-09-28 | 2009-09-28 | Optical waveguide biochemical sensor testing device |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102033042A CN102033042A (en) | 2011-04-27 |
CN102033042B true CN102033042B (en) | 2012-08-22 |
Family
ID=43886224
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009100937668A Expired - Fee Related CN102033042B (en) | 2009-09-28 | 2009-09-28 | Optical waveguide biochemical sensor testing device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102033042B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102928344B (en) * | 2012-10-26 | 2014-12-31 | 湖北三江航天红峰控制有限公司 | Locking mechanism for photoelectric sensor |
CN114700975B (en) * | 2022-04-11 | 2023-10-10 | 清华大学 | Flexible optical waveguide-based attitude sensor and robot |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5133597A (en) * | 1990-12-26 | 1992-07-28 | Industrial Technology Research Institute | Method and device for measuring the transmission loss and optical waveguide |
EP0737308B1 (en) * | 1993-06-02 | 1998-03-11 | Hoechst Aktiengesellschaft | Optical sensor for detection of chemical species |
CN1315656A (en) * | 2000-03-29 | 2001-10-03 | 中国科学院长春光学精密机械与物理研究所 | Spectrometer with integrated light channel structure and process for preparing its integrated light channel package |
CN101813622A (en) * | 2009-02-19 | 2010-08-25 | 中国科学院电子学研究所 | Optical-waveguide two-channel interferometer array |
CN101839799A (en) * | 2009-03-18 | 2010-09-22 | 中国科学院电子学研究所 | Light-guide testing device |
-
2009
- 2009-09-28 CN CN2009100937668A patent/CN102033042B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5133597A (en) * | 1990-12-26 | 1992-07-28 | Industrial Technology Research Institute | Method and device for measuring the transmission loss and optical waveguide |
EP0737308B1 (en) * | 1993-06-02 | 1998-03-11 | Hoechst Aktiengesellschaft | Optical sensor for detection of chemical species |
CN1315656A (en) * | 2000-03-29 | 2001-10-03 | 中国科学院长春光学精密机械与物理研究所 | Spectrometer with integrated light channel structure and process for preparing its integrated light channel package |
CN101813622A (en) * | 2009-02-19 | 2010-08-25 | 中国科学院电子学研究所 | Optical-waveguide two-channel interferometer array |
CN101839799A (en) * | 2009-03-18 | 2010-09-22 | 中国科学院电子学研究所 | Light-guide testing device |
Non-Patent Citations (3)
Title |
---|
Susan E. Ross, et al..Spectroelectrochemical sensing: planar waveguides.《Electrochimica Acta》.2003,第48卷3313-3323. * |
Tomonari Umemura, et al..Slab Optical Waveguide High-Acidity Sensor Based on an Absorbance Change of Protoporphyrin IX.《Analytical Chemistry》.2006,第78卷(第21期),7511-7516. * |
陈方等.光波导耦合的表面等离子体共振光谱传感器实时监测表面生化反应.《分析化学》.2009,第37卷(第4期),568-572. * |
Also Published As
Publication number | Publication date |
---|---|
CN102033042A (en) | 2011-04-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102232181B (en) | Dual sample mode spectrophotometer | |
CN203133094U (en) | Full-automatic surface plasmon resonance (SPR) biological analyzer | |
CN103630514B (en) | A kind of Multifunctional digital display refractometer | |
SE0203772D0 (en) | Piezoelectric sensor arrangement | |
CN102590147A (en) | Surface plasma resonance system capable of adjusting sensitivity and dynamic range and detection method thereof | |
CN102033042B (en) | Optical waveguide biochemical sensor testing device | |
CN103884671A (en) | Nondispersive infrared (NDIR) CO2 gas sensor | |
CN102435635A (en) | Liquid detection chip and liquid detection method | |
CN101581693B (en) | Optical fiber spectroelectrochemistry multifunctional sensing composite probe device | |
CN105264355B (en) | Fluid diagnostic device and its application method | |
CN101226144A (en) | On-line refractometer index meter based on surface plasma resonance technique | |
CN217060187U (en) | Self-cleaning-based turbidity on-line monitoring device and cabinet type multi-parameter monitoring device | |
US20160161335A1 (en) | Transverse Optical Transmission Probe | |
CN104502541A (en) | Gas chamber device for gas analyzer | |
CN100343654C (en) | Surface plasma resonance detection sample cell with repeatable response | |
CN211426278U (en) | Optical fiber sensor | |
CN103323492B (en) | Rapid assembly micro-flow detection cell device with magnetic separation | |
CN210269592U (en) | Detection probe seat device | |
CN202330255U (en) | Double-light-source multi-degree-of-freedom adjusting mechanism for optical surface plasma resonance biosensor | |
CN203432905U (en) | Optical fiber water quality sensor based on ultrasonic self-cleaning | |
CN205691602U (en) | A kind of miniaturization auto injection surface plasma resonance biochemistry analyzer | |
CN103698306B (en) | Liquid core coupling surface plasma resonance imaging analyzer | |
CN217156258U (en) | Active pumping type biochip detection device | |
CN203310791U (en) | Rapid-assembly micro-circulation detection pool device with magnetic separation | |
CN216160512U (en) | Luxurious is used for water quality monitoring's miniature monitoring water quality appearance in pit |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 |