CN204461620U - A kind of photon detection device - Google Patents
A kind of photon detection device Download PDFInfo
- Publication number
- CN204461620U CN204461620U CN201520039823.5U CN201520039823U CN204461620U CN 204461620 U CN204461620 U CN 204461620U CN 201520039823 U CN201520039823 U CN 201520039823U CN 204461620 U CN204461620 U CN 204461620U
- Authority
- CN
- China
- Prior art keywords
- probe
- rotating disk
- detection device
- photon detection
- photon
- 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
Abstract
The utility model relates to a kind of photon detection device, and it comprises rotating disk, and described rotating disk is provided with the mutually different probe in multiple spectrum sensitive regions, and multiple described probe is distributed in the circumferentially same of described rotating disk.The utility model by arranging multiple probe on rotating disk, rotary turnplate with measure different spectrum sensitive region probe work time sample luminous result, find out the spectrum sensitive region close with electromagnetic radiation photon wavelength thus, the probe working sample using spectrum sensitizing range close with electromagnetic radiation photon wavelength again, can improve the sensitivity of sample determination.
Description
Technical field
The utility model relates to a kind of photon detection device, particularly relates to a kind of photon detection device for weak light detection.
Background technology
Along with the development of technology, the photon detection instrument of various 26S Proteasome Structure and Function emerges in an endless stream, such as photomultiplier PMT (Photomultiplier Tube) and charge coupled cell CCD (charge-coupled device) etc.Photomultiplier is based upon in photoelectron emissions effect, secondary and electron optics theoretical foundation, and it can convert faint incident light to photoelectron.Photomultiplier superior performance, has the developing history of more than 70 year for weak light detection, be widely applied to multiple fields such as spectral analysis, remote sensing satellite measurement, high-energy physics, medical imaging diagnosis, environmental monitoring.
Charge coupled cell CCD, as a kind of integrated circuit, CCD has the electric capacity of many marshallings, can respond to light, and image is transformed into digital signal, and CCD is technology important in photon detection and video acquisition field.
In the device detection of photons processes such as photomultiplier PMT and charge coupled cell CCD, all make use of photoelectron effect.When the wavelength of incident light in the spectrum sensitive region of photon detection device or near time, we can detect incident light delicately; But when the wavelength of incident light and the spectrum sensitive region of photon detection device inconsistent time, we measure sensitivity will reduce, even may cause detect less than incident light.
The sensitivity improving photon detection device can strengthen its range of application, and especially for the low light level, the effect of highly sensitive photon detection device is more outstanding.But in prior art, photon detection device only with a probe (such as PMT, CCD etc.) as detecting element, the spectrum sensitive region of this probe is determined, and the wavelength of different electromagnetic radiation light is different; Therefore the sample only having wavelength of transmitted light close with probe spectrum sensitive region could be detected effectively, for the sample that wavelength of transmitted light is inconsistent with probe spectrum sensitive region, its detection sensitivity is poor.
Thus, the structure improving photon detection device becomes the problem of our concern with the sensitivity improving sample determination.
Utility model content
The purpose of this utility model is to overcome the defect of above-mentioned prior art and provides a kind of photon detection device, and this photon detection device can improve the sensitivity of sample determination.
For achieving the above object, the technical scheme that the utility model is taked is: a kind of photon detection device, comprises rotating disk, and described rotating disk is provided with the mutually different probe in multiple spectrum sensitive regions, and multiple described probe is distributed in the circumferentially same of described rotating disk.
In the utility model, described probe is the probe measured for light signal.When using photon detection device of the present utility model, testing sample is relative with the circumferentially any point position at multiple described probe place.The rotating disk of the utility model photon detection device can clockwise or be rotated counterclockwise, along with turntable rotation, and the probe of our replaceable working sample, thus obtain the result adopting different spectrum sensitive region probe working sample; When other condition determination is identical, the size of sample luminous intensity determines primarily of mensuration probe used, the spectrum sensitive region and the electromagnetic radiation optical wavelength that measure probe used are more close, detection sensitivity is higher, the sample luminous intensity recorded is larger, and we can find out the spectrum sensitive region close with electromagnetic radiation photon wavelength accordingly.The probe that rotating disk is arranged is more, be more convenient to find out with electromagnetic radiation photon wavelength closer to spectrum sensitive region, under the same conditions with this spectrum sensitive region and the close probe working sample of electromagnetic radiation photon wavelength, measure sensitivity higher.
As the improvement of technique scheme, described probe is three.When probe is 3, we both can find out the spectrum sensitive region close with electromagnetic radiation photon wavelength, also can be convenient to manufacture photon detection device, and cost-saving.
As the improvement of technique scheme, described probe is evenly distributed on described rotating disk.When probe is evenly distributed on rotating disk, the stability of rotating disk is better.
As the improvement of technique scheme, described probe is photomultiplier or charge coupled cell.
As the improvement of technique scheme, described photomultiplier comprises airtight container, be used for receiving photon and produce photoelectronic photocathode, be used for receiving and double amplify described photoelectronic dynode system, be used for collecting described dynode system double amplification photoelectronic anode, be used for the power pole of powering to photocathode and dynode system, described photocathode, dynode system and anode are located in described airtight container, are also provided with focusing electrode between described photocathode and described dynode system.
The using method of photon detection device of the present utility model comprises the following steps: (1) rotary turnplate, makes in multiple probe probe go to the position relative with testing sample, working sample luminous intensity; (2) continue rotary turnplate, change the probe of sample determination; (3) result of more different spectrum sensitive regions probe working sample, finds out the spectrum sensitive region close with electromagnetic radiation photon wavelength; (4) sample determination is carried out with the probe that the spectrum sensitive region found out is close with electromagnetic radiation photon wavelength.
The beneficial effects of the utility model are: the utility model by arranging multiple probe on rotating disk, rotary turnplate with measure different spectrum sensitive region probe work time sample luminous result, find out the spectrum sensitive region close with electromagnetic radiation photon wavelength thus, the probe working sample using spectrum sensitizing range close with electromagnetic radiation photon wavelength again, can improve the sensitivity of sample determination.Photon detection device of the present utility model is particularly useful for weak light detection, such as bio-photon detection.
Accompanying drawing explanation
Fig. 1 is the structural representation of photon detection device described in the utility model;
Fig. 2 is the structural representation of photomultiplier described in the utility model embodiment 1.
Wherein, 1 is rotating disk, and 20 is the first probe, and 21 is the second probe, and 22 is the 3rd probe, and 3 is photocathode, and 4 is focusing electrode, and 5 is dynode system, and 6 is anode.
Embodiment
For the purpose of this utility model, technical scheme and advantage are described better, below by the drawings and specific embodiments, the utility model is described in further detail.
Embodiment 1
As shown in Figure 1, a kind of photon detection device of the utility model embodiment, it comprises rotating disk 1, rotating disk 1 is provided with three probes, three probes are respectively the first probe 20, second probe the 21, the 3rd probe 22, the spectrum sensitive region of three probes is different, and the first probe 20, second probe 21 and the 3rd probe 22 are distributed in the circumferentially same of rotating disk 1.
During use, testing sample is relative with the circumferentially any point position at three places of popping one's head in.Rotating disk 1 take O as the center of circle, can clockwise or be rotated counterclockwise.During working sample, the first probe 20, second probe 21 or the 3rd probe 22 are rotated to the position relative with testing sample, measures for sample luminous intensity; By the probe of the replaceable working sample of rotary turnplate 1, find out the spectrum sensitive region close with electromagnetic radiation photon wavelength.Certainly, the probe that rotating disk 1 is arranged can be multiple but be not limited to three, such as probe can be 2 or 4 etc., and the probe that rotating disk 1 is arranged is more, more be convenient to find out with electromagnetic radiation photon wavelength closer to spectrum sensitive region, but for convenience of manufacturing photon detection device, and consider the Cost Problems in real process, we preferably arrange three probes on the turntable 1.
In order to the stability of rotating disk 1 is better, the first probe 20, second probe 21 and the 3rd probe 22 are uniformly distributed on the turntable 1.
Preferably, first probe 20, second probe 21 and the 3rd probe 22 are photomultiplier, and the structure of described photomultiplier as shown in Figure 2, it comprises airtight container, be used for receiving photon and produce photoelectronic photocathode 3, be used for receiving and double and amplify described photoelectronic dynode system 5, be used for collecting dynode system 5 and double the photoelectronic anode 6 of amplification, the power pole that is used for photocathode 3 and dynode system 5 power supply, photocathode 3, dynode system 5 and anode 6 are located in airtight container, are also provided with focusing electrode 4 between photocathode 3 and dynode system 5.It is noted that photomultiplier transit is except said structure, also can adopt other structures of the prior art, such as: adopt cooling device photomultiplier to be lowered the temperature, to reduce background signal.
The using method of above-mentioned photon detection device is: (1) rotary turnplate, makes in multiple probe probe go to the position relative with testing sample, working sample luminous intensity; (2) continue rotary turnplate, change the probe of sample determination; (3) result of more different spectrum sensitive regions probe working sample, finds out the spectrum sensitive region close with electromagnetic radiation photon wavelength; (4) sample determination is carried out with the probe that spectrum sensitizing range is close with electromagnetic radiation photon wavelength.
Embodiment 2
A kind of photon detection device of the utility model embodiment, the difference of the present embodiment photon detection device and embodiment 1 is only: the probe that rotating disk 1 is arranged is charge coupled cell (structure of charge coupled cell is prior art); Other structures of the present embodiment photon detection device and using method are all with embodiment 1.
Finally to should be noted that; above embodiment is only in order to illustrate the technical solution of the utility model but not restriction to the utility model protection domain; although be explained in detail the utility model with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to the technical solution of the utility model or equivalent replacement, and not depart from essence and the scope of technical solutions of the utility model.
Claims (5)
1. a photon detection device, is characterized in that: comprise rotating disk, and described rotating disk is provided with the mutually different probe in multiple spectrum sensitive regions, and multiple described probe is distributed in the circumferentially same of described rotating disk.
2. photon detection device as claimed in claim 1, is characterized in that: described probe is three.
3. photon detection device as claimed in claim 1 or 2, is characterized in that: described probe is evenly distributed on described rotating disk.
4. photon detection device as claimed in claim 1 or 2, is characterized in that: described probe is photomultiplier or charge coupled cell.
5. photon detection device as claimed in claim 4, it is characterized in that: described photomultiplier comprises airtight container, be used for receiving photon and produce photoelectronic photocathode, be used for receiving and double amplify described photoelectronic dynode system, be used for collecting described dynode system double amplification photoelectronic anode, be used for the power pole of powering to photocathode and dynode system, described photocathode, dynode system and anode are located in described airtight container, are also provided with focusing electrode between described photocathode and described dynode system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520039823.5U CN204461620U (en) | 2015-01-20 | 2015-01-20 | A kind of photon detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520039823.5U CN204461620U (en) | 2015-01-20 | 2015-01-20 | A kind of photon detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204461620U true CN204461620U (en) | 2015-07-08 |
Family
ID=53668491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520039823.5U Expired - Fee Related CN204461620U (en) | 2015-01-20 | 2015-01-20 | A kind of photon detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204461620U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104614084A (en) * | 2015-01-20 | 2015-05-13 | 顾樵 | Photon detection device and use method thereof |
| CN109752401A (en) * | 2019-01-16 | 2019-05-14 | 清华大学 | Increasing material manufacturing device and method with real-time in-situ detection function |
-
2015
- 2015-01-20 CN CN201520039823.5U patent/CN204461620U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104614084A (en) * | 2015-01-20 | 2015-05-13 | 顾樵 | Photon detection device and use method thereof |
| CN109752401A (en) * | 2019-01-16 | 2019-05-14 | 清华大学 | Increasing material manufacturing device and method with real-time in-situ detection function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104614084A (en) | Photon detection device and use method thereof | |
| Ogawa et al. | Development of an energy-binned photon-counting detector for X-ray and gamma-ray imaging | |
| US10473797B2 (en) | Radiation detection apparatus and method | |
| CN106814319A (en) | A kind of lithium ion battery self discharge detecting system | |
| CN204461620U (en) | A kind of photon detection device | |
| Ling et al. | Carrier transport performance of Cd0. 9Zn0. 1Te detector by direct current photoconductive technology | |
| CN108092624B (en) | Detection device and detection method for open-circuit voltage distribution of solar cell | |
| CN104713642B (en) | Measurement device for absolute energy of vacuum ultraviolet laser | |
| CN103543130A (en) | Method used for eliminating system frequency response influences on photo-carrier radiometry technology semi conducting material characteristic measuring equipment | |
| CN201725011U (en) | Alternating Current (AC) measuring device of solar battery quantum efficiency | |
| CN201233445Y (en) | Nuclear radiation detector of micro photoelectric diode | |
| La Rocca et al. | Fabrication, characterization and testing of silicon photomultipliers for the Muon Portal Project | |
| CN101871992A (en) | Alternating current measuring device for quantum efficiency of solar battery and using method thereof | |
| CN110646384B (en) | Semiconductor material resistivity optical measurement method | |
| CN107919854B (en) | Solar cell IV characteristic detection device and detection method thereof | |
| EP3654046A1 (en) | Non-destructive inspection system for detecting defects in compound semiconductor wafer and method of operating the same | |
| CN101893679A (en) | Direct-current measuring device for quantum efficiency of solar cell and using method thereof | |
| CN113484895B (en) | Alpha surface pollution detector and detection method for high radon background | |
| Li et al. | Design and analysis of weak optical signal detection system based on photoelectric detection technology | |
| CN112054087B (en) | Graphene semiconductor radiation detection device and preparation method thereof | |
| JPH0546709B2 (en) | ||
| Bogdanov et al. | Temperature dependence of the sensitivity of silicon photomultipliers in the regime of single-photon detection of ultraviolet radiation | |
| CN205982087U (en) | Based on fluorescence detection FDM system | |
| CN201828643U (en) | Direct-current measurement device for measuring quantum efficiency of solar cell | |
| Baszczyk et al. | A readout circuit dedicated for the detection of chemiluminescence using a silicon photomultiplier |
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: 20150708 Termination date: 20220120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |