CN109540303A - A kind of two dimension ultraviolet photon counting imaging detector - Google Patents
A kind of two dimension ultraviolet photon counting imaging detector Download PDFInfo
- Publication number
- CN109540303A CN109540303A CN201811328685.7A CN201811328685A CN109540303A CN 109540303 A CN109540303 A CN 109540303A CN 201811328685 A CN201811328685 A CN 201811328685A CN 109540303 A CN109540303 A CN 109540303A
- Authority
- CN
- China
- Prior art keywords
- ultraviolet photon
- dimentional
- digital detector
- window
- detector according
- 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.)
- Pending
Links
- 238000003384 imaging method Methods 0.000 title description 15
- 229910002601 GaN Inorganic materials 0.000 claims abstract description 15
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 3
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 claims description 3
- 229910001635 magnesium fluoride Inorganic materials 0.000 claims description 3
- 239000010453 quartz Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 2
- 229910001634 calcium fluoride Inorganic materials 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 9
- 108091006146 Channels Proteins 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004297 night vision Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 101000694017 Homo sapiens Sodium channel protein type 5 subunit alpha Proteins 0.000 description 1
- 238000001237 Raman spectrum Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- LBDSXVIYZYSRII-IGMARMGPSA-N alpha-particle Chemical compound [4He+2] LBDSXVIYZYSRII-IGMARMGPSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 210000000234 capsid Anatomy 0.000 description 1
- JJWKPURADFRFRB-UHFFFAOYSA-N carbonyl sulfide Chemical compound O=C=S JJWKPURADFRFRB-UHFFFAOYSA-N 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000013481 data capture Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000799 fluorescence microscopy Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000012634 optical imaging Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000005469 synchrotron radiation Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J11/00—Measuring the characteristics of individual optical pulses or of optical pulse trains
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Measurement Of Radiation (AREA)
Abstract
The embodiment of the invention discloses a kind of two-dimentional ultraviolet photon digital detectors.The two dimension ultraviolet photon digital detector includes: input window, and gallium nitride photocathode is coated on the window inner surface of input window, and the ultraviolet photon that gallium nitride photocathode is used to will go into input window is converted into photoelectron；For realizing the microchannel sheetpile of electron multiplication to the photoelectron；Output window, and two surfaces of output window are prepared for resistive layer and the sensitive anode of spline shaped position, the photoelectron after microchannel sheetpile carries out electron multiplication is incident on resistive layer, and generates charge pulse on the sensitive anode of spline shaped position；For acquiring, transmitting and handling the position reading circuit of the charge pulse.Two dimension ultraviolet photon digital detector provided by the embodiment of the present invention effectively improves its whole body counting.
Description
Technical field
The present invention relates to the technical fields of camera imaging, and in particular to a kind of high speed two-dimension ultraviolet light based on microchannel plate
Sub- imaging detector.
Background technique
Microchannel plate is a kind of electron tube of two-dimentional continuous electronic multiplication, has continuous electronic multiplication capability by many
Channel arranged by certain geometrical pattern.Certain voltage is added at the both ends of microchannel plate, can be obtained very high
Electron gain can be doubled and be amplified to extremely faint Two-dimensional electron image.Microchannel plate can be not only used for direct detection
Electronics, ion, α particle and the particles such as gamma-rays and cosmic ray, and can combine with different photoelectric cathode materials for visiting
It surveys from near-infrared to the light radiation of hard X ray wave band.Currently, microchannel plate is mainly used in photon counting imaging detection and low-light
The fields such as night vision imaging.Wherein, microchannel plate is mainly used in micro- using fluorescent screen and CCD as playback mode, referred to as ICCD
Light night vision field.If microchannel plate is made with position sensitive anode (such as spline shape anode, intersects bar shaped anode at delay line anode)
For playback mode, it can be achieved that the two-dimensional imaging of single-photon sensitivity, referred to as position sensitive anode photon counting imaging detector.Position
It sets sensitive anode photon counting imaging detector and is widely used in space science (such as space astronomy, space plasma object
Neo-Confucianism, deep space exploration etc.), synchrotron radiation physics, chemistry, material science, optics (such as fluorescence imaging, Raman spectrum) and biology
The fields such as medicine.
The whole body counting of the existing photon counting two-dimensional detector based on spline shape anode and microchannel plate is several hundred
kHz.The main reason for count frequency can not improve be, the dead time of position reading circuit is too long and the square resistance of resistive layer
It is too big.Patent of invention " a kind of charge inducing imaging side based on semiconductor layer that number of patent application is 200810184963.6
Method " introduces a kind of electron cloud of the semiconductor layer reception from microchannel plate, and in the position sensitive being placed in outside sealed tube body
The photon counting imaging method of charge pulse is induced on anode.The patented method avoids electron cloud and directly makees with metal anode
Image non-linear caused by secondary electron with generation, but since the square resistance of resistive layer used existsBetween, cause detector whole body counting rate too low.
It is counted for entirety present in the photon counting two-dimensional detector of spline shape anode in the prior art and microchannel plate
The problems such as digit rate is too low is badly in need of a kind of two-dimentional ultraviolet photon digital detector that can be improved whole body counting rate.
Summary of the invention
It is counted for entirety present in the photon counting two-dimensional detector of spline shape anode in the prior art and microchannel plate
The problems such as digit rate is too low, the embodiment of the present invention provide a kind of two-dimentional ultraviolet photon counting detection that can be improved whole body counting rate
Device.Position reading circuit in the two dimension ultraviolet photon digital detector replaces slow charge spirit using radio frequency amplifier
Quick preamplifier and shaping amplifier, and the square resistance of resistive layer used is smaller, effectively improves counting imaging
The whole body counting rate of detector.
The concrete scheme of the two dimension ultraviolet photon digital detector is as follows: a kind of two dimension ultraviolet photon digital detector packet
Include: input window is coated with gallium nitride photocathode on the window inner surface of the input window, and the gallium nitride photocathode is used for will
Ultraviolet photon is converted into photoelectron；Microchannel sheetpile, for realizing electron multiplication to the photoelectron；Output window is located at described
Resistive layer and the sensitive anode of spline shaped position on output window, the photoelectron after electron multiplication are incident on the resistance
On layer, and charge pulse is generated on the sensitive anode of spline shaped position；Vaccum case, the vaccum case, input window and
Output window constitutes vacuum sealing tube body；Position reading circuit, for acquiring, transmitting and handling the charge pulse.
Preferably, more times of the electron multiplication is 107To 108Electron multiplication.
Preferably, the input window is made of quartz, magnesium fluoride or calcium fluoride material.
Preferably, the output window, which is adopted, is made from an insulative material.
Preferably, the relative dielectric constant range of the insulating materials is 2 to 5.
Preferably, the thickness range of the output window is 1 millimeter to 2 millimeters.
Preferably, the square resistance of the resistive layer is
Preferably, the position reading circuit includes radio frequency connector, radio frequency amplifier, D/A converting circuit, micro process
Device and transmission interface circuit.
Preferably, the detector further includes vaccum case, and it is close that the input window, output window and vaccum case constitute vacuum
Tube sealing body.
Preferably, the interstice coverage between the microchannel sheetpile and the gallium nitride photocathode is 0.1 millimeter to 0.3
Millimeter, the interstice coverage between the microchannel sheetpile and the resistive layer are 1 millimeter to 3 millimeters.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that
Position reading circuit in a kind of two dimension ultraviolet photon digital detector provided by the embodiment of the present invention is using penetrating
Audio amplifier instead of charge sensitive preamplifier and shaping amplifier slow in existing position reading circuit,
The counting rate of detector is effectively improved into one to two orders of magnitude.Further, one kind provided by the embodiment of the present invention
The square resistance in resistive layer that two-dimentional ultraviolet photon digital detector uses is onlyFurther increase detector
Whole body counting rate.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the two-dimentional ultraviolet photon digital detector provided in the embodiment of the present invention.
Numbering in the drawing explanation:
100, detector 1, input window 2, gallium nitride photocathode
3, vaccum case 4, microchannel sheetpile 5, output window
51, resistive layer 52, the sensitive anode of spline shaped position
6, radio frequency connector 7, radio frequency amplifier 8, D/A converting circuit
9, microprocessor 10, transmission interface circuit 11, host computer receive and image is shown
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
Description and claims of this specification and term " first ", " second ", " third " " in above-mentioned attached drawing
The (if present)s such as four " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should manage
The data that solution uses in this way are interchangeable under appropriate circumstances, so that the embodiments described herein can be in addition to illustrating herein
Or the sequence other than the content of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units need not limit
In step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, produce
The other step or units of product or equipment inherently.
As shown in Figure 1, a kind of structural schematic diagram of the two-dimentional ultraviolet photon digital detector provided in the embodiment of the present invention.
A kind of two dimension ultraviolet photon digital detector 100 includes: input window 1, and gallium nitride light is coated on the window inner surface of input window 1
Electric cathode 2, gallium nitride photocathode 2 are used to ultraviolet photon being converted into photoelectron；For realizing electronics times to the photoelectron
The microchannel sheetpile 4 of increasing；Output window 5 is provided with resistive layer 51 and the sensitive anode 52 of spline shaped position, the warp on output window 5
Photoelectron after crossing electron multiplication is incident on resistive layer 51, and generates fast charge arteries and veins on the sensitive anode 52 of spline shaped position
Punching；For acquiring, transmitting and handling the position reading circuit of the charge pulse.
Microchannel sheetpile 4 uses work in the two panels or three pieces microchannel plate structure of pulse-counting mode.Microchannel sheetpile 4
10 may be implemented to the photoelectron7To 108Electron multiplication.Gap between microchannel sheetpile 4 and gallium nitride photocathode 2
Range is 0.1 millimeter to 0.3 millimeter.Interstice coverage between microchannel sheetpile 4 and resistive layer 51 is 1 millimeter to 3 millimeters.
With continued reference to Fig. 1, in this embodiment, detector 100 further includes vaccum case 3.Input window 1, output window 5 and true
Empty capsid 3 is packaged into integral vacuum airtight construction, which can be referred to as vacuum sealing tube body.Input window 1
In the front end of vaccum case 3, output window 5 is located at the rear end of vaccum case 3.Vaccum case 3 is using ceramics or insulation alloy material
It is advisable.Input window 1 can be made of materials such as quartz, magnesium fluoride or calcirm-fluoride.Output window 5, which is adopted, to be made from an insulative material, absolutely
The relative dielectric constant range of edge material is 2 to 5.The thickness range of output window 5 is 1 millimeter to 2 millimeters.
The front of output window 5 is equipped with resistive layer 51, and the back side of output window 5 is equipped with the sensitive anode 52 of spline shaped position.Resistance
Layer 51 square resistance beThe resistance value of the square resistance of resistive layer 51 will lead to greatly very much the sensitive anode 52 of spline shaped position
The pulse width of output broadens, and causes to export counting rate decline.
Position reading circuit includes radio frequency connector 6, radio frequency amplifier 7, D/A converting circuit 8, microprocessor 9 and transmission
Interface circuit 10.Transmission interface circuit 10 receives electric signal transmission to host computer and image shows 11, thus by detector 100
The image detected is shown.With continued reference to Fig. 1, in this embodiment, wedge is detected respectively using three road radio frequency connectors 6
Charge pulse is generated on the sensitive anode 52 of strip-shaped location.Correspondingly, tri- tunnel 7 Ye Wei of radio frequency amplifier, D/A converting circuit 8 are also
Three tunnels.Microprocessor can use FPGA processor, and the acquisition of three road signal processings is exported electric signal all the way, passes through coffret
Circuit 10 is transmitted to host computer reception and image shows 11.In one embodiment, FPGA can be directly used in D/A converting circuit 8
The digital-to-analogue conversion interface circuit of tri- tunnel sample frequency 10GSPS of Zhong.Transmission interface circuit 10 specifically can be using USB interface electricity
Road.In one embodiment, D/A converting circuit 8 can use the AD9213, sample frequency 10GSPS of U.S. ADI company.It penetrates
Audio amplifier 7 is the LNA-1450 of RFBAY company.
The analog circuit of position reading circuit in the prior art mainly includes preamplifier, shaping amplifier, peak value
Keep module and trigger signal generative circuit；Digital circuit uses the pci data capture card of U.S. NI company.Data collecting card exists
It is needed when being acquired to pulse signal to the peak holding of pulse signal for a period of time, then by a trigger signal (TTL)
All analog-digital converters (ADC) in starting capture card are once sampled and are measured to the crest voltage that peak value hold module exports
Change.And the other pulse signals to arrive during this peak holding can not then be handled, since the retention time is long, herein
The pulse that period arrives also occurs that overlapping, so as to cause the inaccuracy of sampled result.
Compared with the prior art, the position reading circuit of the embodiment of the present invention is the number based on high-speed ADC, FPGA and USB
According to acquisition process circuit.Eliminate slow charge sensitive preamplifier in the analog circuit in available circuit, whole
Shape amplifier and peak holding circuit propose the data acquisition and processing (DAP) based on radio frequency amplifier, high-speed ADC and FPGA
Circuit.Due to the burst pulse that anode output pulse signal is pulse width a few nanoseconds, amplitude is several millivolts to tens millivolts, pass through
Impedance is after 50 ohm of radio frequency amplifier is further amplified, can (such as sampling rate is by the ADC with high sampling rate
The ADC of 10GSPS) come the pulse signal that directly exports to it continuous point-by-point data acquisition in real time is carried out, then pass through FPGA again
Reproduction pulse waveform after handling in real time is carried out to the digital signal after conversion, obtains peak value of pulse.Digital signal is in FPGA
Be transferred to after being handled by USB chip and calculate end, the upper computer software of computer terminal according to decoding algorithm by these two
The data of system, which are decoded, restores coordinate position, ultimately produces image.
Two dimension ultraviolet photon provided in an embodiment of the present invention counts the course of work of imaging detector 100 are as follows: object generates
Ultraviolet band photon be imaged on gallium nitride photocathode 2 after optical imaging system through input window 1；Gallium nitride photoelectricity
Incident ultraviolet photon is converted into photoelectron by cathode 2；Under the effect of 200V~300V voltage, photoelectron is incident on microchannel plate
In the channel of heap 4, electronics doubles wherein.In microchannel, an incident photoelectron generates under the action of extra electric field
Secondary electron, secondary electron carry out the multiplication of avalanche type in channel and reach saturation output state, the electronics being emitted from channel
Cloud can reach comprising about 107To 108Electronics.On the resistive layer 51 that the electron cloud being emitted from microchannel sheetpile 4 is incident on output window 5,
Charge pulse is induced on the sensitive anode 52 of spline shaped position of lower surface simultaneously.These charge pulses pass through radio frequency connector
6 three road radio frequency amplifiers 7 of conveying, then by the D/A converting circuit 8 of the three tunnel sample frequency 10GSPS controlled of FPGA 9 to three
Road radio frequency amplifier 7 is sampled point by point, the peak value of pulse that will acquire by usb circuit be sent to host computer image receive and
The charge pulse peak value of 11 pairs of display unit inputs carries out the mass center seat that processing calculates the electron cloud being incident on resistive layer 51
Mark, which is the photon position being incident on gallium nitride photocathode 2.It shows produced by object on the computer screen
Ultraviolet image.
The embodiment of the present invention provides a kind of high speed two-dimension ultraviolet light based on microchannel plate and the sensitive anode of spline shaped position
Sub-count imaging detector.The two dimension ultraviolet photon, which counts imaging detector, will be prepared for the substrate of resistive layer as sealed tube body
Output window, resistive layer preparation surface on it is located inside sealed tube body, and the spline shape position-sensitive anode at the back side is located at sealing
The square resistance in the outside of tube body, the resistive layer isWork is generated in the microchannel sheetpile of pulse-counting mode
Electron cloud is incident on square resistanceOn resistive layer, generated on three electrodes of spline shape position-sensitive anode overleaf
Width is the pulse of several nanoseconds, after the amplification by the external radio frequency amplifier of position-sensitive anode, by high-speed digital-analog conversion circuit
Peak value of pulse is obtained after sampling point by point with FPGA, computer output image is transferred to by hi-speed USB interface.The present invention solves
The low problem of existing technology whole body counting rate.
Position reading circuit in a kind of two dimension ultraviolet photon digital detector provided by the embodiment of the present invention is using penetrating
Audio amplifier is instead of the charge sensitive preamplifier and shaping amplifier in the existing position reading circuit of tradition, effectively
The counting rate of detector is improved into one to two orders of magnitude.
Provided by the embodiment of the present invention it is a kind of two dimension ultraviolet photon digital detector use resistive layer in square electricity
Resistance is onlyFurther increase the counting rate of detector.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of two dimension ultraviolet photon digital detector, which is characterized in that the detector includes:
Input window is coated with gallium nitride photocathode on the window inner surface of the input window, and the gallium nitride photocathode is used for
Ultraviolet photon is converted into photoelectron；
Microchannel sheetpile, for realizing electron multiplication to the photoelectron；
Output window, resistive layer and the sensitive anode of spline shaped position on the output window are described after electron multiplication
Photoelectron is incident on the resistive layer, and generates charge pulse on the sensitive anode of spline shaped position；
Vaccum case, the vaccum case, input window and output window constitute vacuum sealing tube body；
Position reading circuit, for acquiring, transmitting and handling the charge pulse.
2. a kind of two-dimentional ultraviolet photon digital detector according to claim 1, which is characterized in that more times of the electronics
10 are increased to again7To 108Electron multiplication.
3. a kind of two-dimentional ultraviolet photon digital detector according to claim 1, which is characterized in that the input window uses
Quartz, magnesium fluoride or calcium fluoride material are made.
4. a kind of two-dimentional ultraviolet photon digital detector according to claim 1, which is characterized in that the output window uses
Insulating materials is made.
5. a kind of two-dimentional ultraviolet photon digital detector according to claim 4, which is characterized in that the insulating materials
Relative dielectric constant range is 2 to 5.
6. a kind of two-dimentional ultraviolet photon digital detector according to claim 4, which is characterized in that the thickness of the output window
Spending range is 1 millimeter to 2 millimeters.
7. a kind of two-dimentional ultraviolet photon digital detector according to claim 1, which is characterized in that the side of the resistive layer
Block resistance is
8. a kind of two-dimentional ultraviolet photon digital detector according to claim 1, which is characterized in that the position reads electricity
Road includes radio frequency connector, radio frequency amplifier, D/A converting circuit, microprocessor and transmission interface circuit.
9. a kind of two-dimentional ultraviolet photon digital detector according to claim 1, which is characterized in that the detector also wraps
Vaccum case is included, the input window, output window and vaccum case are packaged into integral vacuum airtight construction.
10. a kind of two-dimentional ultraviolet photon digital detector according to claim 1, which is characterized in that the microchannel plate
Interstice coverage between heap and the gallium nitride photocathode is 0.1 millimeter to 0.3 millimeter, the microchannel sheetpile and the electricity
Interstice coverage between resistance layer is 1 millimeter to 3 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811328685.7A CN109540303A (en) | 2018-11-09 | 2018-11-09 | A kind of two dimension ultraviolet photon counting imaging detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811328685.7A CN109540303A (en) | 2018-11-09 | 2018-11-09 | A kind of two dimension ultraviolet photon counting imaging detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109540303A true CN109540303A (en) | 2019-03-29 |
Family
ID=65844948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811328685.7A Pending CN109540303A (en) | 2018-11-09 | 2018-11-09 | A kind of two dimension ultraviolet photon counting imaging detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109540303A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112484849A (en) * | 2020-11-23 | 2021-03-12 | 北京卫星环境工程研究所 | Integrated space far ultraviolet radiation detector and quantum efficiency test system thereof |
| CN112945379A (en) * | 2021-02-03 | 2021-06-11 | 中国科学院长春光学精密机械与物理研究所 | System for setting dead time and filtering noise of single photon detector |
| CN113964012A (en) * | 2021-10-09 | 2022-01-21 | 电子科技大学长三角研究院(湖州) | GaN ultraviolet photon counter and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103575504A (en) * | 2013-11-25 | 2014-02-12 | 南京大学 | Optical time-domain reflectometer based on superconductivity nanowire single photon detector |
| CN103792004A (en) * | 2014-01-22 | 2014-05-14 | 中国科学院长春光学精密机械与物理研究所 | Ultraviolet spherical micro-channel plate photo counting and imaging detector |
| CN105959064A (en) * | 2016-04-25 | 2016-09-21 | 武汉元昊科技有限公司 | System and method for modulating transmission intensity of high-speed signal and directly detecting high-speed signal |
| CN206556676U (en) * | 2017-03-14 | 2017-10-13 | 重庆霓扬科技有限责任公司 | High-speed microwave amplifies photodetector |
| CN206804152U (en) * | 2017-04-13 | 2017-12-26 | 华中师范大学 | A kind of single-photon detector of frequency-tunable |
-
2018
- 2018-11-09 CN CN201811328685.7A patent/CN109540303A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103575504A (en) * | 2013-11-25 | 2014-02-12 | 南京大学 | Optical time-domain reflectometer based on superconductivity nanowire single photon detector |
| CN103792004A (en) * | 2014-01-22 | 2014-05-14 | 中国科学院长春光学精密机械与物理研究所 | Ultraviolet spherical micro-channel plate photo counting and imaging detector |
| CN105959064A (en) * | 2016-04-25 | 2016-09-21 | 武汉元昊科技有限公司 | System and method for modulating transmission intensity of high-speed signal and directly detecting high-speed signal |
| CN206556676U (en) * | 2017-03-14 | 2017-10-13 | 重庆霓扬科技有限责任公司 | High-speed microwave amplifies photodetector |
| CN206804152U (en) * | 2017-04-13 | 2017-12-26 | 华中师范大学 | A kind of single-photon detector of frequency-tunable |
Non-Patent Citations (1)
| Title |
|---|
| 尼启良 等: "高速紫外光子探测器位置读出电路的实现", 《吉林大学学报（工学版）》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112484849A (en) * | 2020-11-23 | 2021-03-12 | 北京卫星环境工程研究所 | Integrated space far ultraviolet radiation detector and quantum efficiency test system thereof |
| CN112945379A (en) * | 2021-02-03 | 2021-06-11 | 中国科学院长春光学精密机械与物理研究所 | System for setting dead time and filtering noise of single photon detector |
| CN112945379B (en) * | 2021-02-03 | 2024-03-12 | 中国科学院长春光学精密机械与物理研究所 | System for dead time setting and noise filtering of single photon detector |
| CN113964012A (en) * | 2021-10-09 | 2022-01-21 | 电子科技大学长三角研究院(湖州) | GaN ultraviolet photon counter and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Nomerotski | Imaging and time stamping of photons with nanosecond resolution in Timepix based optical cameras | |
| Zhao et al. | Coincidence velocity map imaging using Tpx3Cam, a time stamping optical camera with 1.5 ns timing resolution | |
| Sobottka et al. | Delay line readout of microchannel plates | |
| CN109540303A (en) | A kind of two dimension ultraviolet photon counting imaging detector | |
| CN101387548B (en) | Single Photon Counting Imager | |
| Tremsin et al. | Overview of spatial and timing resolution of event counting detectors with microchannel plates | |
| Gys | The pixel hybrid photon detectors for the LHCb-RICH project | |
| CN103792004A (en) | Ultraviolet spherical micro-channel plate photo counting and imaging detector | |
| Bolotnikov et al. | An array of virtual Frisch-grid CdZnTe detectors and a front-end application-specific integrated circuit for large-area position-sensitive gamma-ray cameras | |
| Kroupa et al. | Techniques for precise energy calibration of particle pixel detectors | |
| Siegmund et al. | Large area and high efficiency photon counting imaging detectors with high time and spatial resolution for night time sensing and astronomy | |
| Sauli | Radiation imaging with gaseous detectors | |
| KR100784196B1 (en) | Apparatus and method for array GEM digital imaging radiation detector | |
| CN106405623B (en) | Compton sums it up spectrometer | |
| WO2024094226A1 (en) | Dual-energy x-ray detector structure and dual-energy x-ray detection method | |
| CN201262572Y (en) | Single photon counting imager | |
| Breskin et al. | Recent advances in gaseous imaging photomultipliers | |
| KR101188681B1 (en) | A radiation detecting device to measure the gamma-ray and neutron discriminately | |
| Siegmund et al. | Large Area flat panel Photon Counting Imaging Detectors for Astronomy and Night Time Sensing | |
| Timothy | Electronic readout systems for microchannel plates | |
| Clampin et al. | Optical Ranicon detectors for photon counting imaging. I | |
| CN109491960B (en) | Position reading circuit for reducing image distortion | |
| Hendrix | Position sensitive X-ray detectors | |
| Lecomte et al. | Channel electron multipliers: Properties, development and applications | |
| Siegmund et al. | Development of planacon tubes with cross strip readouts and atomic layer MCPs |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190329 |
|
| RJ01 | Rejection of invention patent application after publication |