CN106646862A - Low-light-level ultrafast imaging detection system realized by air gap and setting method - Google Patents
Low-light-level ultrafast imaging detection system realized by air gap and setting method Download PDFInfo
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- CN106646862A CN106646862A CN201610915576.XA CN201610915576A CN106646862A CN 106646862 A CN106646862 A CN 106646862A CN 201610915576 A CN201610915576 A CN 201610915576A CN 106646862 A CN106646862 A CN 106646862A
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- light
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- light cone
- gap
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- 238000001514 detection method Methods 0.000 title claims abstract description 23
- 238000003384 imaging method Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000008878 coupling Effects 0.000 claims abstract description 11
- 238000010168 coupling process Methods 0.000 claims abstract description 11
- 238000005859 coupling reaction Methods 0.000 claims abstract description 11
- 238000005259 measurement Methods 0.000 claims description 7
- 230000013011 mating Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009966 trimming Methods 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 description 4
- 244000286663 Ficus elastica Species 0.000 description 3
- 229920001195 polyisoprene Polymers 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920006335 epoxy glue Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention belongs to the field of optics, in particular to a dim light ultrafast imaging detection system realized by utilizing an air gap and a setting method thereof, which comprise an image intensifier assembly, a light cone assembly, a detector assembly and a main lens cone, and are characterized in that: and a detector interval trimming ring is arranged between the light cone assembly and the detector assembly, and an air gap is formed between the small end face of the light cone in the light cone assembly and the detector assembly. The invention provides a dim light detection system for realizing coupling of a light cone and a CCD (charge coupled device) by utilizing an air gap by changing the coupling mode of the traditional dim light imaging detection system in the design, successfully overcomes the difficulties of hot spot effect and stress damage of the dim light detection system, has compact structural design and reasonable layout, and provides a reliable and stable dim light and CCD coupling dim light ultrafast imaging detection system and a setting method thereof.
Description
Technical field
The invention belongs to optical field, more particularly to a kind of ultrafast imaging detection system of low-light realized of utilization air-gap and
Its set-up method.
Background technology
Being coupled CCD with image intensifier by light cone can effectively improve the detectivity of CCD device, be various effective loads
Lotus provides technical support, with extensive use.The set system detects the optical signal of calorimeter output to dark matter to be strengthened, is prolonged
Late, the function gate of image intensifier is controlled using the trigger of calorimeter output, the control of ultrashort time for exposure is realized, is led to
Optical signal is delivered to high frame rate CCD detector by overcoupling system, and using high speed image data acquisition system adopting for data is carried out
Collection and storage.
In traditional low-light level imaging detection system between each device by the way of series coupled, i.e. image intensifier and light
Bore and be brought into close contact by applying certain pretightning force, then the photosensitive target surface of CCD device is coupled directly to by optical epoxy glue.By
In the particularity of CCD device, its photosensitive target surface is extremely fragile, especially easily damages in the case where external working environment is relatively severe
It is bad, it is primarily due to：
1) thermal environment is damaged.Under external temperature environment, due to the thermal coefficient of expansion difference of each device, the change of temperature
Larger thermal stress can be produced and put on the photosensitive target surface of CCD device, it could even be possible to CCD device can be damaged under extreme condition, with
As for whole system failure.
2) mechanical environment is damaged.Due to being rigid contact between coupled apparatus, due to the vibration between device in mechanical environment
Pressure can be produced to the photosensitive target surface of CCD device, may damage detection device.
The content of the invention
The technical problem to be solved is to provide the ultrafast imaging detection system of low-light that a kind of utilization air-gap is realized
System and its set-up method, to solve prior art in the hot spot effect that faces and stress damage a difficult problem.
To solve above-mentioned technical problem, the technical solution adopted in the present invention is：There is provided what a kind of utilization air-gap was realized
The ultrafast imaging detection system of low-light, including image intensifier component, light cone component, detector assembly and body tube, it is characterised in that：
Be provided with detector interval between the light cone component and detector assembly to repair and cut circle, in light cone component light cone small end face with detect
There is air-gap between device assembly.
The present invention also provides a kind of set-up method of the ultrafast imaging detection system of low-light that above-mentioned utilization air-gap is realized, its
It is characterized in that, comprises the following steps：
1) light cone small end face is repaiied to detector interval and cuts circle with light cone component mating surface apart from ξ in measurement light cone component1；
2) measure detector assembly in detector target surface to detector interval repair cut circle and detector assembly mating surface away from
From ξ2；
3) measurement detector interval is repaiied and cuts circle thickness ξ；
4) air-gap thickness ξ is calculated using following formulaAir-gap
ξ=ξ1+ξ2-ξAir-gap；
5) coupling accuracy is tested：If being unsatisfactory for required value, repair grind detector interval repair cut circle thickness, repeat step 3)～
6), until ξAir-gapReach required value, you can complete the coupling of the ultrafast imaging detection system of low-light.
The invention has the beneficial effects as follows：The present invention is in the design by the coupling side of the traditional low-light level imaging detection system of change
Formula, it is proposed that realize the Low Iuminous Intensity Detecting System that light cone is coupled with CCD using air-gap, successfully overcome the heat of Low Iuminous Intensity Detecting System
A difficult problem for spot effect and stress damage, it is compact, rationally distributed with structure design, there is provided a kind of reliable, stable light cone with
The ultrafast imaging detection system of CCD coupling low-lights and its set-up method.
Description of the drawings
Fig. 1 is the cross-sectional view of specific embodiment；
Fig. 2 is the details enlarged diagram in Fig. 1 at I；
In figure, 1- image intensifier components, 2- light cone components, 3- detector assemblies, 4- detectors interval are repaiied and cut circle, the increasing of 5- pictures
Repair and cut circle, 6- India rubber circles, 7- body tubes, 8- detectors, 9- detector carriages, 10- air-gaps, 11- light cones in strong device interval.
Specific embodiment
As shown in Figure 1, 2, embodiment provides the ultrafast imaging detection system of low-light that a kind of utilization air-gap is realized, including picture
Intensifier assemblies, light cone component, detector assembly and body tube, image intensifier interval are repaiied and cut circle, India rubber circle and light cone
Be provided with detector interval between component and detector assembly to repair and cut circle, in light cone component light cone small end face and detector assembly it
Between there is air-gap.
The set-up method of the ultrafast imaging detection system of low-light that above-mentioned utilization air-gap is realized, comprises the following steps：
1) light cone small end face is repaiied to detector interval and cuts circle with light cone component mating surface apart from ξ in measurement light cone component1；
2) measure detector assembly in detector target surface to detector interval repair cut circle and detector assembly mating surface away from
From ξ2；
3) measurement detector interval is repaiied and cuts circle thickness ξ；
4) air-gap thickness ξ is calculated using following formulaAir-gap
ξ=ξ1+ξ2-ξAir-gap；
5) coupling accuracy is tested：If being unsatisfactory for required value, repair grind detector interval repair cut circle thickness, repeat step 3)～
6), until ξAir-gapReach required value, you can complete the coupling of the ultrafast imaging detection system of low-light.
The interval of light cone component and detector assembly is repaiied by detector interval and cuts circle and ensure, is cut detector interval and is repaiied by repairing
Cut circle, it is ensured that the axially spaced-apart of light cone small end face and detector target surface；The interval of light cone and image intensifying device is by between image intensifier
Cut circle and ensure every repairing, cut image intensifier interval and repair and cut circle by repairing, while increasing India rubber circle to reach the uniform pretension of applying
The effect of power, it is ensured that the axially spaced-apart of light cone large end face and image intensifier.Meanwhile, by the way that the centring ring of each device and repairing is cut
That what is enclosed is closely connected, and by each device because the power that mechanical environment is produced is delivered to respectively body tube, body tube has phase
When rigidity, accordingly, it is possible to avoid due to mechanical environment produce stress damage coupled apparatus.
Claims (2)
1. the ultrafast imaging detection system of low-light that a kind of utilization air-gap is realized, including image intensifier component, light cone component, detection
Device assembly and body tube, it is characterised in that：It is provided with detector interval between the light cone component and detector assembly to repair and cut circle,
There is air-gap between light cone small end face and detector assembly in light cone component.
2. the set-up method of the ultrafast imaging detection system of low-light that a kind of utilization air-gap as claimed in claim 1 is realized, it is special
Levy and be, comprise the following steps：
1) light cone small end face is repaiied to detector interval and cuts circle with light cone component mating surface apart from ξ in measurement light cone component1；
2) detector target surface is repaiied to detector interval and cuts circle with detector assembly mating surface apart from ξ in measurement detector assembly2；
3) measurement detector interval is repaiied and cuts circle thickness ξ；
4) air-gap thickness ξ is calculated using following formulaAir-gap
ξ=ξ1+ξ2-ξAir-gap；
5) coupling accuracy is tested：If being unsatisfactory for required value, repair grind detector interval repair cut circle thickness, repeat step 3)～6), directly
To ξAir-gapReach required value, you can complete the coupling of the ultrafast imaging detection system of low-light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610915576.XA CN106646862A (en) | 2016-10-20 | 2016-10-20 | Low-light-level ultrafast imaging detection system realized by air gap and setting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610915576.XA CN106646862A (en) | 2016-10-20 | 2016-10-20 | Low-light-level ultrafast imaging detection system realized by air gap and setting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106646862A true CN106646862A (en) | 2017-05-10 |
Family
ID=58855478
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610915576.XA Pending CN106646862A (en) | 2016-10-20 | 2016-10-20 | Low-light-level ultrafast imaging detection system realized by air gap and setting method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115767300A (en) * | 2022-11-18 | 2023-03-07 | 北方夜视技术股份有限公司 | Light cone support for ICMOS coupling, ICMOS after coupling and coupling method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2518093Y (en) * | 2001-12-29 | 2002-10-23 | 中国科学院上海技术物理研究所 | Multi-pass radiation probe assembly |
| CN201331653Y (en) * | 2008-10-28 | 2009-10-21 | 崔志刚 | Light cone coupling imaging equipment |
| CN105223664A (en) * | 2015-11-06 | 2016-01-06 | 深圳大学 | Light cone and CCD self-adaptation coupling device |
| CN206193341U (en) * | 2016-10-20 | 2017-05-24 | 中国科学院西安光学精密机械研究所 | Low-light-level ultrafast imaging detection system realized by air gap |
-
2016
- 2016-10-20 CN CN201610915576.XA patent/CN106646862A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2518093Y (en) * | 2001-12-29 | 2002-10-23 | 中国科学院上海技术物理研究所 | Multi-pass radiation probe assembly |
| CN201331653Y (en) * | 2008-10-28 | 2009-10-21 | 崔志刚 | Light cone coupling imaging equipment |
| CN105223664A (en) * | 2015-11-06 | 2016-01-06 | 深圳大学 | Light cone and CCD self-adaptation coupling device |
| CN206193341U (en) * | 2016-10-20 | 2017-05-24 | 中国科学院西安光学精密机械研究所 | Low-light-level ultrafast imaging detection system realized by air gap |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115767300A (en) * | 2022-11-18 | 2023-03-07 | 北方夜视技术股份有限公司 | Light cone support for ICMOS coupling, ICMOS after coupling and coupling method |
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Application publication date: 20170510 |