CN104392054B - A kind of ellipse optical attenuator design method - Google Patents
A kind of ellipse optical attenuator design method Download PDFInfo
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- CN104392054B CN104392054B CN201410707896.7A CN201410707896A CN104392054B CN 104392054 B CN104392054 B CN 104392054B CN 201410707896 A CN201410707896 A CN 201410707896A CN 104392054 B CN104392054 B CN 104392054B
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Abstract
The invention discloses a kind of ellipse optical attenuator design method, the structure of ellipse optical attenuator is made of adjacent many ellipses, and each elliptical long axis is identical with the ratio of short axle, but specific value is different, can be adjusted according to the actual situation.Design process includes:(1) Photoshop6.0 software is utilized, the structural parameters of ellipse optical attenuator are designed, and makees boundary in outermost；(2) CorelDrawX5 software is utilized, designed ellipse optical attenuator is copied in CorelDrawX5 new files, is allowed to be converted into polar plot, picture size can be adjusted according to actual needs, so that dimension of picture matches with film size；(3) instrument is exported using 8000 type film of Propalette, exports ellipse optical attenuator；(4) it completes.A kind of ellipse optical attenuator disclosed by the invention can retain original signal and smooth decaying, and flexible design without distortions, and production is simple, favorable repeatability, lay a good foundation to widen it in the application of special dimension.
Description
Technical field
The invention belongs to technical field of photo communication, further relate to a kind of Passive Optical Components technical field, and in particular to a kind of ellipse
Round optical attenuator design method.
Background technique
Optical attenuator is a kind of Passive Optical Components that optical signalling can be carried out to expected decaying, is widely answered at present
For fiber optic communication, high power light power meter, optics DV, Medical Devices optical detector, chemical detection devices, clinic
The fields such as biochemical analysis, particular image analysis processing.
Divide by its structure and working principle, optical attenuator common at present can be divided into displacement type, film-type, attenuator
Type and liquid crystal type etc., wherein attenuator type is most widely used.Divide by its attenuation characteristic, attenuator type optical attenuator again may be used
It is divided into neutral density attenuator, linear density attenuator, Graded Density attenuator etc..The neutral density attenuator dough softening is fixed,
It is immutable, overall attenuation is carried out for incident optical signalling, is difficult to balance the decaying between extremely strong signal and pole weak signal
Ratio is not suitable for the big situation of optical signalling variable gradient；The decaying of linear density attenuator and Graded Density attenuator
Degree can change according to certain rule, but there are the rough problems of change of gradient, in attenuation process, it is possible to miss some passes
Key signals cause original optical distorted signals.
Existing attenuator type optical attenuator is difficult to be applied in certain special dimensions, finds a kind of new structure,
Original signal and smooth decaying can be retained without distortions, enable attenuator type optical attenuator in wider field
Obtain practical application, it has also become industry critical issue urgently to be solved.
Summary of the invention
(1) goal of the invention
The technical problems to be solved by the invention are exactly：Original signal and reality can be retained without distortions by finding one kind
The optical attenuator chip architecture now smoothly to decay, and flexible design, production is simple, favorable repeatability, to widen it in special dimension
Application lay a good foundation.
(2) technical solution
A kind of ellipse optical attenuator design method, the structure of ellipse optical attenuator is by adjacent many Elliptic Systems
At each elliptical long axis is identical with the ratio of short axle, but specific value is different, can be adjusted according to the actual situation；Specifically
Design process include：
(1) start Photoshop6.0 software, click " file ", " newly-built ", picture size parameter is set；
(2) Layer panel is opened, is clicked " newly-built figure layer ", by the elliptical characteristic parameter of actual conditions setting, and by color
Tri- component values of R, G, B of panel are set as 0；
(3) " editor " is clicked, " filling " selects " filling with foreground "；
(4) " Layer panel " is selected, clicks the newly-built figure layer of upper two step, keeps its invisible；
(5) step 2 is repeated, chosen area is incremented by, and tri- component values of R, G, B are also incremented by, and being incremented by can be at equal intervals
It is incremented by, can also be appropriately arranged with according to actual needs, repeat step 3 and step 4；
(6) when the picture size of step 1 setting is completely covered in figure layer, make whole layer visibles, and merge all visible
Figure layer；
(7) in figure layer outermost, the ater frame that a pixel is 1, R=G=B=0 is drawn with " pencil " tool, is made
For boundary；
(8) " image " is clicked, " adjustment ", " inverse "；
(9) full choosing, duplication；
(10) starting CorelDraw X5 software, (CorelDraw software can directly output image to professional film output
Machine)；
(11) CorelDraw file is created, pastes, image is switched into polar plot, and picture can be adjusted according to actual needs
Size, so that dimension of picture matches with film size；
(12) " file " is clicked, printing selects Propalette 8000 as printer, and film output type is negative film；
(13) it determines, completes.
Further, the numerical value of different oval corresponding tri- components of R, G, B is not in the ellipse optical attenuator
Equally, i.e., the dough softening is different, and the numerical value of tri- components of R, G, B of minimum ellipse is minimum, and the dough softening is maximum, and so on；Phase
The difference of the dough softening between adjacent ellipse can be adjusted according to the actual situation, be can be constant numerical difference, be also possible to meet
The numerical difference of particular/special requirement need to only adjust the numerical difference of two neighboring ellipse tri- components of R, G, B.
Further, the ellipse optical attenuator is exported by the film output instrument of profession, when film exports
When instrument exports a black and white film, original image can be projected on film, the brighter pixel of original image can expose more, film wash-off
The pixel is more black afterwards, to obtain film identical with original image, former attenuator need to be carried out inverse processing before output.At inverse
The principle of reason is to subtract the values of original tri- components of R, G, B with maximum value respectively to each pixel to obtain new R, G, a B
Numerical value, the corresponding a kind of new color of new R, G, B numerical value, finally with this pixel of the color filling.
Further, the design software of the ellipse optical attenuator chip architecture be Photoshop6.0 and
CorelDraw X5, tools are 8000 type film of Polaroid Propalette output instrument produced in USA.
(3) beneficial effect
The present invention compared with prior art, has the advantages that：A kind of ellipse optical attenuator of the invention
Design method devises the optical attenuator knot that one kind can retain without distortions original signal and smoothly decay
Structure；Design flexibility is high, and production is simple, favorable repeatability；For attenuator type optical attenuator reality can be obtained in wider field
Using laying a good foundation.
Detailed description of the invention
Fig. 1 is design method flow diagram of the invention.
Fig. 2 is ellipse optical attenuator structural schematic diagram of the invention.
Specific embodiment
A kind of ellipse optical attenuator design method, the structure of ellipse optical attenuator is by adjacent many Elliptic Systems
At each elliptical long axis is identical with the ratio of short axle, but specific value is different, can be adjusted according to the actual situation；Specifically
Design process include：
(1) start Photoshop6.0 software, click " file ", " newly-built ", picture size parameter is set；
(2) Layer panel is opened, is clicked " newly-built figure layer ", by the elliptical characteristic parameter of actual conditions setting, and by color
Tri- component values of R, G, B of panel are set as 0；
(3) " editor " is clicked, " filling " selects " filling with foreground "；
(4) " Layer panel " is selected, clicks the newly-built figure layer of upper two step, keeps its invisible；
(5) step 2 is repeated, chosen area is incremented by, and tri- component values of R, G, B are also incremented by, and being incremented by can be at equal intervals
It is incremented by, can also be appropriately arranged with according to actual needs, repeat step 3 and step 4；
(6) when the picture size of step 1 setting is completely covered in figure layer, make whole layer visibles, and merge all visible
Figure layer；
(7) in figure layer outermost, the ater frame that a pixel is 1, R=G=B=0 is drawn with " pencil " tool, is made
For boundary；
(8) " image " is clicked, " adjustment ", " inverse "；
(9) full choosing, duplication；
(10) starting CorelDraw X5 software, (CorelDraw software can directly output image to professional film output
Machine)；
(11) CorelDraw file is created, pastes, image is switched into polar plot, and picture can be adjusted according to actual needs
Size, so that dimension of picture matches with film size；
(12) " file " is clicked, printing selects Propalette 8000 as printer, and film output type is negative film；
(13) it determines, completes.
Wherein, the numerical value of different oval corresponding tri- components of R, G, B is different in the ellipse optical attenuator,
I.e. the dough softening is different, and the numerical value of tri- components of R, G, B of minimum ellipse is minimum, and the dough softening is maximum, and so on；Adjacent ellipses
Between the difference of the dough softening can be adjusted according to the actual situation, can be constant numerical difference, be also possible to meet special want
The numerical difference asked need to only adjust the numerical difference of two neighboring ellipse tri- components of R, G, B.
Wherein, the ellipse optical attenuator is exported by the film output instrument of profession, when film output instrument is defeated
Out when a black and white film, original image can be projected on film, the brighter pixel of original image can expose it is more, film wash out after should
Pixel is more black, to obtain film identical with original image, former attenuator need to be carried out inverse processing before output.Inverse processing
Principle is to subtract the values of original tri- components of R, G, B with maximum value respectively to each pixel to obtain new R, G, B numerical value,
The corresponding a kind of new color of new R, G, B numerical value, finally with this pixel of the color filling.
Wherein, the design software of the ellipse optical attenuator chip architecture is Photoshop6.0 and CorelDraw
X5, tools are 8000 type film of Polaroid Propalette output instrument produced in USA.
In embodiment, picture size is (high：5cm, it is wide：3cm), oval feature parameter (long axis: short axle=3: 2)；
In embodiment, it is designed using 24 bitmap formats, tri- components of R, G, B respectively account for 8, value range：0~
255, R, tri- components of G, B use and are incremented by equal intervals, increment value 25, altogether 10 incremental grades；
In embodiment, the principle that instrument is exported according to 8000 type film of Propalette, only when tri- components of R, G, B
Value it is identical when, just can guarantee output film be black-and-white film.The R=G=B=0 dough softening is maximum, and light intensity attenuation amount is most.With
The numerical value of tri- components of R, G, B be gradually increased, such as：R=G=B=25,50,75,100 ..., the dough softening is gradually reduced, light intensity
Attenuation also gradually decreases.
The content that the present invention does not elaborate is the common knowledge of those skilled in the art.
As long as design method is similar, only makees a small amount of improvement, the ellipse in the invention is such as changed to other shapes, such as triangle
Shape, trapezoidal etc. also belong to the scope of patent protection.
The above-described embodiments are merely illustrative of preferred embodiments of the present invention, not to structure of the invention
Think and range is defined.Without departing from the design concept of the invention, ordinary people in the field is to technology of the invention
The all variations and modifications that scheme is made, should all drop into protection scope of the present invention, the claimed technology contents of the present invention,
It is all described in the claims.
Claims (3)
1. a kind of ellipse optical attenuator design method, the structure of ellipse optical attenuator is by adjacent many Elliptic Systems
At each elliptical long axis is identical with the ratio of short axle, but specific value is different, can be adjusted according to the actual situation；Specifically
Design process include：
(1) start Photoshop6.0 software, click " file ", " newly-built ", picture size parameter is set；
(2) Layer panel is opened, is clicked " newly-built figure layer ", by the elliptical characteristic parameter of actual conditions setting, and by color panel
Tri- component values of R, G, B be set as 0；
(3) " editor " is clicked, " filling " selects " filling with foreground "；
(4) " Layer panel " is selected, clicks the newly-built figure layer of upper two step, keeps its invisible；
(5) step 2 is repeated, chosen area is incremented by, and tri- component values of R, G, B are also incremented by, and incremental can be is incremented by equal intervals,
It can also be configured according to actual needs, repeat step 3 and step 4；The setting carried out according to actual needs is：It is oval
The numerical value of different oval corresponding tri- components of R, G, B is different in type optical attenuator, i.e., the dough softening is different, minimum ellipse
Tri- components of R, G, B numerical value it is minimum, the dough softening is maximum, and so on；The difference of the dough softening between adjacent ellipses can basis
Actual conditions are adjusted, and can be constant numerical difference, are also possible to meet the numerical difference of particular/special requirement, need to only be adjusted adjacent
The numerical difference of two ellipse tri- components of R, G, B；
(6) when the picture size of step 1 setting is completely covered in figure layer, make whole layer visibles, and merge all visible layers；
(7) in figure layer outermost, the ater frame that a pixel is 1, R=G=B=0 is drawn with " pencil " tool, as side
Boundary；
(8) " image " is clicked, " adjustment ", " inverse "；
(9) full choosing, duplication；
(10) start CorelDraw X5 software；
(11) CorelDraw file is created, pastes, image is switched into polar plot, and picture size can be adjusted according to actual needs,
So that dimension of picture matches with film size；
(12) " file " is clicked, printing selects Propalette 8000 as printer, and film output type is negative film；
(13) it determines, completes.
2. a kind of ellipse optical attenuator design method according to claim 1, it is characterised in that：The ellipse
Optical attenuator is exported by the film output instrument of profession, can be by original image when film output instrument exports a black and white film
Project on film, the brighter pixel of original image can expose it is more, film wash out after the pixel it is more black, to obtain and original image phase
Former attenuator need to be carried out inverse processing before output by same film；The principle of inverse processing is used respectively most each pixel
The value that big value subtracts original tri- components of R, G, B obtains new R, G, B numerical value, and new R, G, B numerical value is corresponding a kind of new
Color, finally with this pixel of the color filling.
3. a kind of ellipse optical attenuator design method according to claim 1, it is characterised in that：The ellipse
The design software of optical attenuator chip architecture is Photoshop6.0 and CorelDraw X5, and tools are Pola produced in USA
Carry out 8000 type film of Propalette output instrument.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410707896.7A CN104392054B (en) | 2014-11-27 | 2014-11-27 | A kind of ellipse optical attenuator design method |
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| CN201410707896.7A CN104392054B (en) | 2014-11-27 | 2014-11-27 | A kind of ellipse optical attenuator design method |
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| CN104392054A CN104392054A (en) | 2015-03-04 |
| CN104392054B true CN104392054B (en) | 2018-11-23 |
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| CN109697739B (en) * | 2018-12-25 | 2020-01-21 | 掌阅科技股份有限公司 | Reverse color display method of handwriting reading equipment and handwriting reading equipment |
| CN110767971A (en) * | 2019-10-30 | 2020-02-07 | 中国电子科技集团公司第十二研究所 | Centralized attenuator and traveling wave tube comprising same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6480662B1 (en) * | 2000-01-28 | 2002-11-12 | Dicon Fiberoptics, Inc. | Design of a variable attenuator and fabrication of its shutter element |
| CN1469179A (en) * | 2003-06-19 | 2004-01-21 | 武汉光迅科技有限责任公司 | Prepn process and device of continuously variable light attenuating plate |
| CN2733383Y (en) * | 2004-09-08 | 2005-10-12 | 吴砺 | Improved structure of optical attenuator |
| CN201007744Y (en) * | 2006-12-11 | 2008-01-16 | 武汉光迅科技股份有限公司 | High power variable optical attenuation piece |
| CN101446667A (en) * | 2008-12-24 | 2009-06-03 | 武汉光迅科技股份有限公司 | Method for producing high power varying optical attenuator |
-
2014
- 2014-11-27 CN CN201410707896.7A patent/CN104392054B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6480662B1 (en) * | 2000-01-28 | 2002-11-12 | Dicon Fiberoptics, Inc. | Design of a variable attenuator and fabrication of its shutter element |
| CN1469179A (en) * | 2003-06-19 | 2004-01-21 | 武汉光迅科技有限责任公司 | Prepn process and device of continuously variable light attenuating plate |
| CN2733383Y (en) * | 2004-09-08 | 2005-10-12 | 吴砺 | Improved structure of optical attenuator |
| CN201007744Y (en) * | 2006-12-11 | 2008-01-16 | 武汉光迅科技股份有限公司 | High power variable optical attenuation piece |
| CN101446667A (en) * | 2008-12-24 | 2009-06-03 | 武汉光迅科技股份有限公司 | Method for producing high power varying optical attenuator |
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