CN109104910B - Optical sensitive surface contamination effect test method - Google Patents
Optical sensitive surface contamination effect test method Download PDFInfo
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- CN109104910B CN109104910B CN200810075631.4A CN200810075631A CN109104910B CN 109104910 B CN109104910 B CN 109104910B CN 200810075631 A CN200810075631 A CN 200810075631A CN 109104910 B CN109104910 B CN 109104910B
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- sensitive surface
- optical sensitive
- sheet glass
- nonmetallic materials
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Abstract
Optical sensitive surface contamination effect test method, belongs to optical testing art.The present invention designs a kind of effective method, nonmetallic materials are put into the equipment of space environmental simulation, so that material generates outgassing pollution, outgassing pollution object is collected using quartz glass, and the variation of the transmissivity using spectrophotometer test quartz glass before and after contaminant deposition, the polluting effect on optical sensitive surface is measured with this.This kind of method can be tested the shortcomings that optics sensing surface polluting effect does not quantify before overcoming, can more effectively be compared the severity of optical sensitive surface contamination effect with the contaminated degree in quantitative measurement optical sensitive surface.
Description
Technical field
The present invention relates to a kind of sensing surface polluting effect test method, especially optical sensitive surface contamination effects to test
Method belongs to optical testing art.
Background technique
Nonmetallic materials used are under space environment on spacecraft, due to vacuum, temperature change, irradiation and atom
Under the inducements such as oxygen, initial stage can be generated, these outlet substances are easily adhered in optical sensitive surface, on the contrary optical sensitive surface
Performance degradation.For used nonmetallic near camera lens, we are necessary to adopt methodology test in space environment
Size of the lower nonmetallic materials precontamination to polluting effect caused by optical sensitive surface.For camera lens, thoroughly
Penetrate the effect for the imaging that the decaying of rate directly affects, thus we optical sensitive surface contamination answer used in test method it is saturating
The decaying of rate is penetrated to measure the size of polluting effect.Have a test method of this quantization, it is even can have foundation to camera
The nonmetallic materials used near camera lens are screened.It is new by looking into, have no domestic other documents to the dirt of optical sensitive surface
Contaminate the report of effect test method.
Summary of the invention
The purpose of the present invention is technology solve the problems, such as be: use a kind of effective simulation means, being capable of space environmental simulation
The outgassing pollution of lower nonmetallic materials passes through spectrophotometric quantifying test pollution effect to the polluting effect on optical sensitive surface
The size answered.The selection of nonmetallic materials when for spacecraft near camera lens provides foundation.
Testing equipment: low temperature pollutes coagulation devices and spectrophotometer.
The technical solution of the invention is as follows optical sensitive degree surface contamination effect test method, including the following steps: step
Rapid one: preparation；
A) sheet glass is cleaned, it is good with Wrapped in Cellophane after dry；Glass sheet surface cannot be contacted in the process, prevented by outer
Boundary's pollution effect test result；
B) it pre-processes and prepares nonmetallic materials, under a clean environment by nonmetallic materials, be prepared into certain standard rule
The particulate samples of lattice, are fitted into example boat；
C) sheet glass that will be cleaned up is put into spectrophotometer and tests its substrate transmitance；
Step 2: polluting effect of the nonmetallic materials outgassing pollution to optical sensitive surface under space environmental simulation:
A) by mechanical elevating system component, vacuum test room is opened, example boat and sheet glass are put into dystopy test group
In part, vacuum test room is covered；
B) sliding vane rotary vacuum pump, gate valve and forevacuum ga(u)ge are opened, after ten minutes, opens molecular pump and water-bath, after 15 minutes,
High vacuum rule to be opened, heating temperature measurement component is opened, nonmetal sample heating temperature is 125 DEG C, and sheet glass depositing temperature is 25 DEG C,
Sedimentation time is 24 hours, every part of nonmetal sample uniform quality, 180 ± 5mg；
C) after 24 hours, turn off heating temperature measurement component, high vacuum rule and forevacuum ga(u)ge, gate valve and molecular pump in order,
After equal molecular pumps stop completely, turn off mechanical pump；
D) test cabinet vent valve is opened, by mechanical elevating system component, vacuum test room is opened, takes out sample and glass
Piece covers vacuum test room, closes power supply；
Step 3: the transmissivity after test optics sensing surface is polluted decays；
By sheet glass be placed again into spectrophotometer test percent of pass, by compared with substrate transmissivity, obtain by
The decaying of transmissivity after pollution；Glass deposition original state cannot be destroyed in step 3 test process, cannot be infected with dust, also not
The deposit of glass sheet surface can be encountered, in order to avoid influence the accuracy of test result.
Wherein, nonmetallic materials are 306 pitch-dark, butyronitrile or butadiene-styrene rubber.
The beneficial effect that the present invention reaches is:
Cause the polluting effect on optical sensitive surface that the survey of quantization should be determined nonmetallic materials outlet under space environment
Method for testing forms a set of test method and specification.There is the invention of the test method, it can be according to test data to optical sensitive
What surface nearby used nonmetallic is screened.
Detailed description of the invention
Fig. 1 is the attenuation curve that 306 pitch-dark outlet adhering contaminants cause sheet glass transmissivity；
Fig. 2 is the attenuation curve that butyronitrile or butadiene-styrene rubber outlet adhering contaminant cause sheet glass transmissivity.
Specific embodiment
The invention will be described further with reference to the accompanying drawings and examples.
Optical sensitive surface contamination effect under low temperature that the present invention uses pollution coagulation devices space environmental simulation, using point
Light photometer tests the decaying of the transmissivity of sheet glass pollution front and back.
The pitch-dark polluting effect to optical sensitive surface of embodiment 1 306 is tested
As shown in Figure 1, glass transmission rate, which adds, reaches 10% or more in visible light region.
2 butyronitrile of embodiment or butadiene-styrene rubber test the polluting effect on optical sensitive surface
As shown in Fig. 2, glass transmission rate, which adds, reaches 30% or more in visible light region.
Claims (1)
1. a kind of optical sensitive surface contamination effect test method, it is characterised in that include the following steps:
Step 1: preparation；
A) sheet glass is cleaned, it is good with Wrapped in Cellophane after dry；Glass sheet surface cannot be contacted in the process, prevented by extraneous dirty
Dye influences test result；
B) it pre-processes and prepares nonmetallic materials and under a clean environment by nonmetallic materials be prepared into certain standard specification
Particulate samples are fitted into example boat；
C) sheet glass that will be cleaned up is put into spectrophotometer and tests its substrate transmitance；
Step 2: polluting effect of the nonmetallic materials outgassing pollution to optical sensitive surface under space environmental simulation:
A) by mechanical elevating system component, vacuum test room is opened, example boat and sheet glass are put into dystopy test suite,
Cover vacuum test room；
B) sliding vane rotary vacuum pump, gate valve and forevacuum ga(u)ge are opened, after ten minutes, opens molecular pump and water-bath, after 15 minutes, is opened
High vacuum rule open heating temperature measurement component, and nonmetal sample heating temperature is 125 DEG C, and sheet glass depositing temperature is 25 DEG C, deposition
Time is 24 hours, and nonmetal sample quality is 180 ± 5mg；
C) after 24 hours, turn off heating temperature measurement component, high vacuum rule and forevacuum ga(u)ge, gate valve and molecular pump, equal part in order
After son pump stops completely, turn off mechanical pump；
D) test cabinet vent valve is opened, by mechanical elevating system component, opens vacuum test room,
Sample and sheet glass are taken out, vacuum test room is covered, closes power supply；
Step 3: the transmissivity after test optics sensing surface is polluted decays；
Sheet glass is placed again into spectrophotometer test percent of pass, by obtaining and being polluted compared with substrate transmissivity
The decaying of transmissivity afterwards；Glass deposition original state cannot be destroyed in step 3 test process, cannot be infected with dust, can not be touched
To the deposit of glass sheet surface, in order to avoid influence the accuracy of test result；
Wherein, nonmetallic materials are 306 pitch-dark, butyronitrile or butadiene-styrene rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810075631.4A CN109104910B (en) | 2008-06-02 | 2008-06-02 | Optical sensitive surface contamination effect test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810075631.4A CN109104910B (en) | 2008-06-02 | 2008-06-02 | Optical sensitive surface contamination effect test method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109104910B true CN109104910B (en) | 2012-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810075631.4A Active CN109104910B (en) | 2008-06-02 | 2008-06-02 | Optical sensitive surface contamination effect test method |
Country Status (1)
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| CN (1) | CN109104910B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112147109A (en) * | 2020-09-04 | 2020-12-29 | 兰州空间技术物理研究所 | Method for calculating optical performance of non-uniform non-metallic material outgassing pollution film |
-
2008
- 2008-06-02 CN CN200810075631.4A patent/CN109104910B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112147109A (en) * | 2020-09-04 | 2020-12-29 | 兰州空间技术物理研究所 | Method for calculating optical performance of non-uniform non-metallic material outgassing pollution film |
| CN112147109B (en) * | 2020-09-04 | 2023-09-05 | 兰州空间技术物理研究所 | Calculation method for optical performance of non-uniform non-metallic material air-out pollution film |
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| DC01 | Secret patent status has been lifted | ||
| DC01 | Secret patent status has been lifted |