CN2924547Y - Photo multiplier tube experimental instrument - Google Patents
Photo multiplier tube experimental instrument Download PDFInfo
- Publication number
- CN2924547Y CN2924547Y CN 200620097108 CN200620097108U CN2924547Y CN 2924547 Y CN2924547 Y CN 2924547Y CN 200620097108 CN200620097108 CN 200620097108 CN 200620097108 U CN200620097108 U CN 200620097108U CN 2924547 Y CN2924547 Y CN 2924547Y
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- photomultiplier
- light source
- illuminometer
- box
- light
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- Expired - Fee Related
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- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The utility model provides a photomultiplier experimental instrument, which comprises optical components and circuit parts. The optical components comprise a photomultiplier, light source, and an illuminometer probe. The photomultiplier, the light source, and the illuminometer probe have standard interfaces that are connected with the corresponding circuit. The circuit parts integrate high voltage power modules, illuminometer modules, light source driven modules, a weak signal processing circuit, the single chip micyoco and a display unit in a box. The output interface of all the circuit parts on the box are provided with standard interface matched with corresponding optical components, and the surface of the box is provided with a display. The photomultiplier is arranged in a square box of black box, one side of the box is provided with an incidence light hole of photomultiplier, the box is also provided with a band switch and a BNC output interface. A high brightness LED is fixed in a cylinder, a lens is arranged on the output hole of light source, the output hole of the light source is matched with the incidence light hole of photomultiplier. The output interface of the silicon photodiode on the sleeve of illuminometer probe adopts BNC probe.
Description
Technical field
The utility model relates to a kind of photomultiplier experiment instrument, is used for the quantitative measurement of each parameter of photomultiplier (dark current, cathode sensitivity, anode sensitivity and enlargement factor etc.).
Background technology
Photomultiplier is a kind of very important photoelectric device, has a wide range of applications at aspects such as weak light detections.But, the principle of work of photomultiplier and structures shape its need higher operating voltage and reasonable voltage distribution modes; And its sensitivity is very high, and extraneous faint light intensity changes the great changes that can cause its output current, therefore requires its working environment that extraordinary leakproofness will be arranged; Moreover the scope of its output current is very big, and when showing current value, if do not carry out gear change process, its precision just is difficult to reach requirement.
Summary of the invention
The purpose of this utility model provides a kind of photomultiplier experiment instrument, can provide suitable condition of work for photomultiplier, and the weak current value of output is handled.
Scheme of the present utility model is: photomultiplier experiment instrument of the present utility model comprises optical path component and circuit part, optical path component is by photomultiplier, light source, the illuminometer probe is formed, photomultiplier, light source, on the illuminometer probe standard interface that is connected with its corresponding circuits is arranged all, circuit part is with high-voltage power module, the illuminometer module, light source driver module, the feeble signal treatment circuit, single-chip microcomputer and display unit are integrated in the casing, the output interface of the circuit corresponding with each optical path component has the standard interface with respective optical path assembly coupling on casing, in tank surface display is arranged.
Described photomultiplier experiment instrument, the photomultiplier camera bellows adopts inner blacking and the square closely box body of sealing, box body one side has photomultiplier incident light hole, the inner drive plate of placing of box body, fixing photomultiplier on the plate is equipped with a waver and a BNC output interface on box body.
Described photomultiplier experiment instrument, the Lights section adopts highlighted LED as light source, highlighted LED is fixed in the cylinder by base, lens are installed at perforation hole place at light source, and this lens center equals the focal length of these lens from the distance of highlighted LED, the incident light hole coupling of the perforation hole of light source and photomultiplier camera bellows.
Described photomultiplier experiment instrument, the illuminometer probe is by the cosine corrector, V (λ) wave filter and silicon photodiode are formed, the silicon photodiode is fixed in the sleeve by base, before the silicon photodiode, place cosine corrector and V (λ) corrector in the light entrance port respectively, the light entrance port matches with the perforation hole of light source and contacts closely, and the output interface of silicon photodiode adopts the BNC head on the sleeve.
Advantage of the present utility model: can be easily by experiment the various regulating devices on the instrument come the various parameters of photomultiplier are carried out accurately and fast measuring.
Adopt special-purpose high-voltage power module to provide stable operating voltage, verified the voltage distribution mode of photomultiplier the best by experiment, and be applied in this experiment instrument for photomultiplier; Photomultiplier is installed in inside the casing of a sealing, the box house blacking can well stop the influence of outside light intensity to photomultiplier, and experimental precision is guaranteed; When showing output current value, carry out measurement range selection by the gear shift of Single-chip Controlling relay, can guarantee display precision in nA level and the fluid drive of μ A inter-stage.
Description of drawings
Fig. 1 is a circuit part synoptic diagram of the present utility model;
Fig. 2 is a photomultiplier camera bellows structural representation;
Fig. 3 is the light-source structure synoptic diagram;
Fig. 4 is an illuminometer sonde configuration synoptic diagram;
Fig. 5 is a general illustration of the present utility model.
Embodiment
Photomultiplier experiment instrument of the present utility model comprises optical path component and circuit part, and optical path component is made up of photomultiplier camera bellows 1, light source 2, illuminometer probe 3; Circuit part comprises high-voltage power module 4, light source driver module 5, feeble signal treatment circuit 6, illuminometer module 7, single-chip microcomputer 8, display unit 9.
Fig. 1 is a circuit part synoptic diagram of the present utility model:
High-voltage power module 4, illuminometer module 7, light source driver module 5, feeble signal treatment circuit 6, single-chip microcomputer 8 and display unit 9, direct supply 11 are integrated in the casing.Weak signal treatment circuit 6 and display unit 9 are electrically connected with single-chip microcomputer 8.Output/input interface 4-1, the 5-1 of the circuit corresponding with each optical path component, 6-1,7-1 all have standard interface on casing, in tank surface display 9-1 and panel control module 10 are arranged.The change-over switch 5-3 of the adjustment potentiometer knob 5-2 of the adjusting pressuring knob 4-2 of high-voltage power module 4, light source driver module 5, the illuminometer 7-2 of illuminometer module 7 and change light source driver module output signal is located on the panel control module.
Fig. 2 is a photomultiplier camera bellows structural representation:
The photomultiplier camera bellows adopts the sufficient intensity opaque material to make a square box body 1, photomultiplier 1-1 is fixed in the box body 1 by base 1-6, opening a light hole 1-2, high-voltage power supply input interface 1-4, photomultiplier tube signal output interface 1-3 and waver 1-5 are arranged on the box body 1 with the corresponding place of photomultiplier entrance window.
Fig. 3 is the light-source structure synoptic diagram: the shell of light source is the cylinder 2 that the sufficient intensity opaque material is made, highlighted LED 2-2 is fixed therein by base 2-3, at the perforation hole place of light source one lens 2-1 is installed, and this lens center equals the focal length of these lens from the distance of highlighted LED.LED output light becomes directional light after through lens, and the perforation hole 2-5 of light source matches with photomultiplier camera bellows light hole 1-2, and contact is tight, and the drive signal of highlighted LED is inserted by interface 2-4.
Fig. 4 is the structural representation of illuminometer probe: the illuminometer probe adopts the opaque material of sufficient intensity to make a cylinder 3, silicon photodiode 3-3 is fixed in the sleeve by base 3-5, one end is light entrance port 3-6, before the silicon photodiode, place cosine corrector 3-1 and V (λ) corrector 3-2 in the light entrance port respectively, light entrance port 3-6 matches with the perforation hole 2-5 of light source and contacts closely, the outputting standard interface 3-4 that the silicon photodiode is arranged on the sleeve adopts the BNC head.
Fig. 5 is a general illustration of the present utility model: 12 is that one group of standard connecting line, 9-1 are displays, the 10th, control panel.During experiment, the output interface 1-3 with photomultiplier 1 is connected with feeble signal treatment circuit input interface 6-1 with the standard connecting line, and the input interface 1-4 of photomultiplier is connected with high-voltage power module output interface 4-1; The output interface 3-4 of illuminometer probe 3 is connected with the input interface 7-1 of illuminometer module 7, the input interface 2-4 of light source 2 is connected with the output interface 5-1 of light source driver module 5.
The light source perforation hole 2-5 of light source 2 is connected with illuminometer probe light entrance port 3-6, reads illuminometer 7-2 and write down the illumination intensity of light source value; Light source perforation hole 2-5 with light source 2 is connected with photomultiplier camera bellows light hole 1-2 again, writes down the output current value of photomultiplier.Can control the output voltage of high-voltage power module in the experiment by regulator potentiometer knob 4-2, regulator potentiometer 5-2 controls the amplitude of light source driver module output signal, adjusting change-over switch 5-3 changes the kind of light source driver module output signal, regulates the test approaches that waver 1-5 changes photomultiplier.
Claims (4)
1. photomultiplier experiment instrument, comprise optical path component and circuit part, it is characterized in that: optical path component is by photomultiplier, light source, the illuminometer probe is formed, photomultiplier, light source, on the illuminometer probe standard interface that is connected with its corresponding circuits is arranged all, circuit part is with high-voltage power module, the illuminometer module, light source driver module, the feeble signal treatment circuit, single-chip microcomputer and display unit are integrated in the casing, the output interface of the circuit corresponding with each optical path component has the standard interface with respective optical path assembly coupling on casing, in tank surface display is arranged.
2. photomultiplier experiment instrument according to claim 1, it is characterized in that: the photomultiplier camera bellows adopts inner blacking and the square closely box body of sealing, box body one side has photomultiplier incident light hole, the inner drive plate of placing of box body, fixing photomultiplier on the plate is equipped with a waver and a BNC output interface on box body.
3. photomultiplier experiment instrument according to claim 1 and 2, it is characterized in that: the Lights section adopts highlighted LED as light source, highlighted LED is fixed in the cylinder by base, lens are installed at perforation hole place at light source, and this lens center equals the focal length of these lens from the distance of highlighted LED, the incident light hole coupling of the perforation hole of light source and photomultiplier camera bellows.
4. photomultiplier experiment instrument according to claim 1 and 2, it is characterized in that: illuminometer is popped one's head in by the cosine corrector, V (λ) wave filter and silicon photodiode are formed, the silicon photodiode is fixed in the sleeve by base, before the silicon photodiode, place cosine corrector and V (λ) corrector in the light entrance port respectively, the light entrance port matches with the perforation hole of light source and contacts closely, and the output interface of silicon photodiode adopts the BNC head on the sleeve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200620097108 CN2924547Y (en) | 2006-06-08 | 2006-06-08 | Photo multiplier tube experimental instrument |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200620097108 CN2924547Y (en) | 2006-06-08 | 2006-06-08 | Photo multiplier tube experimental instrument |
Publications (1)
Publication Number | Publication Date |
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CN2924547Y true CN2924547Y (en) | 2007-07-18 |
Family
ID=38260980
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200620097108 Expired - Fee Related CN2924547Y (en) | 2006-06-08 | 2006-06-08 | Photo multiplier tube experimental instrument |
Country Status (1)
Country | Link |
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CN (1) | CN2924547Y (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105606915A (en) * | 2015-09-11 | 2016-05-25 | 南京理工大学 | Test system of biplate cascade microchannel plate photomultiplier static performance |
CN106707059A (en) * | 2016-12-13 | 2017-05-24 | 北方夜视技术股份有限公司 | Large-area micro channel plate type photomultiplier test apparatus and test method |
-
2006
- 2006-06-08 CN CN 200620097108 patent/CN2924547Y/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105606915A (en) * | 2015-09-11 | 2016-05-25 | 南京理工大学 | Test system of biplate cascade microchannel plate photomultiplier static performance |
CN106707059A (en) * | 2016-12-13 | 2017-05-24 | 北方夜视技术股份有限公司 | Large-area micro channel plate type photomultiplier test apparatus and test method |
CN106707059B (en) * | 2016-12-13 | 2018-05-22 | 北方夜视技术股份有限公司 | Large area microchannel template photomultiplier test device and test method |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070718 Termination date: 20120608 |