CN100498308C - Method and device for investigating quality of optical element - Google Patents
Method and device for investigating quality of optical element Download PDFInfo
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- CN100498308C CN100498308C CN 200510074301 CN200510074301A CN100498308C CN 100498308 C CN100498308 C CN 100498308C CN 200510074301 CN200510074301 CN 200510074301 CN 200510074301 A CN200510074301 A CN 200510074301A CN 100498308 C CN100498308 C CN 100498308C
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- optical element
- lens group
- optical image
- quality
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Abstract
The invention relates to a detecting method and device for detecting optical component quality, and the method comprises the steps of: using a light source device to provide a point light source; outputting the point light source and make it pass through an optical lens set held by a holder so as to form a first optical image at an optical image processing device; when the first optical image has a shadow block, regulating the position of the optical lens set to make the point light source form a second optical image after passing through the optical lens set regulated line by line; and comparing the first optical image with the second one to determine whether the shadow block synchronously move because of the regulation of the optical lens set so as to determine the quality of the optical component.
Description
Technical field
The present invention refers to a kind of detection method and device in order to detect the quality of optical element of whether retaining the hamper that stops the light path path in the optical element especially about a kind of detection method and device in order to detection optical element quality.
Background technology
Popular along with the consumer digital electronic product, additional camera function has been one of present main development trend on described product.But the overall volume of factor word electronic product usually can limit to some extent based on the consideration of cost and convenience, and is thus, more limited certainly with the overall volume of the camera model of its collocation.Like this, use the overall volume of optical lens group wherein, also need follow together to diminish.
Whether these results have flaw or are subjected to polluting the testing of (for example, leave dust, be subjected to scratch, material inequality or the like) for the optical mirror plane of judging described compact optical lens group, promptly form a major challenge.
The known quality detecting method that whether has flaw or polluted at the optical mirror plane of described compact optical lens group normally with high-power microscope and high light, cooperates visual type for it.Though can learn in this way for the stain that is deposited in the optical mirror plane surface, for the hamper in optical lens group internal constraint light path path, or belong to difficult directly with the visual flaw of discovering of naked eyes, then show difficult mode thus and find.Thus, in case these optical lens groups with flaw are assembled in the product, obviously will cause follow-up QC and maintenance problem, even cause the consumption dispute.
Summary of the invention
One of purpose of the present invention is to be desirable to provide a kind of quality of optical element detection method that can find the hamper in optical lens group internal constraint light path path easily.
Another object of the present invention is to be desirable to provide a kind of quality of optical element pick-up unit that can find the hamper in optical lens group internal constraint light path path easily.
In order to achieve the above object, the invention provides a kind of detection method, comprise the following step: a point-like light source is provided in order to detection optical element quality; Export this point source of light, and make it pass an optical element, to form one first optical image at an optical image treating apparatus place; When having a shade block in this first optical image, adjust the location status of this optical element, so that this point source of light is after passing this optical element of adjusting action, and form one second optical image at this optical image treating apparatus place; And this first and second optical image relatively, to judge whether same moved further of this shade block, determine the quality of this optical element along with the adjustment action of this optical element.
According to the above-mentioned conception of the present invention, wherein this point source of light can be a LASER Light Source.
According to the above-mentioned conception of the present invention, wherein this optical element can comprise one and passes wherein optical lens group for this point source of light, and one in order to grip the lens group anchor clamps of this optical lens group.
According to the above-mentioned conception of the present invention, wherein these lens group anchor clamps have position adjustment element, can be in different location statuss to adjust this optical lens group.
According to the above-mentioned conception of the present invention, wherein can be, or change the location status of this optical lens group in the inclination mode with rotation mode.
According to the above-mentioned conception of the present invention, wherein this shade block is for stopping that by a hamper that is deposited in this optical element the light path path of this point source of light forms.
According to the above-mentioned conception of the present invention, wherein this optical image treating apparatus can be a screen with two-dimensional coordinate mark, for this first and second optical image projection thereon.
According to the above-mentioned conception of the present invention, wherein the two-dimensional coordinate value of this shade block during synchronous change, is promptly being represented the bad of this optical element along with the position adjustment action of this optical element.
According to the above-mentioned conception of the present invention, wherein this optical image treating apparatus can be a computer processor unit that is provided with the optics sensing element, to import this first and second optical image.
According to the above-mentioned conception of the present invention, wherein this computer processor unit sensing image coordinate figure of judging this shade block during synchronous change, is promptly being represented the bad of this optical element along with the position adjustment action of this optical element.
Another preferable way of the present invention about a kind of detection method in order to detection optical element quality, comprises the following step: a point-like light source is provided; Export this point source of light, and make it pass an optical element that can be in the diverse location state, in an optical image treating apparatus, to retain different optical images; And judge whether all have identic shade block in the described different optical image, determine the quality of this optical element.
Another preferable way of the present invention about a kind of pick-up unit in order to detection optical element quality, comprises: a light-source generation device, and it is in order to produce a point-like light source; One grip device is located at the rear of this light-source generation device, and it can pass wherein optical lens group for this point source of light in order to grip one, and can adjust the location status of this optical lens group; An and optical image treating apparatus, be located at the rear of this optical lens group, to import this point source of light after passing the optical lens group that is in the diverse location state and the different optical image that is produced, and can determine the quality of this optical element according to the shade block in the described different optical image whether along with the adjustment of this optical lens group is moved and same moved further.
According to above-mentioned conception of the present invention, this point source of light can be a LASER Light Source, and this grip device can be one in order to grip the lens group anchor clamps of this optical lens group, these lens group anchor clamps have a position and adjust element, with rotation or in the inclination mode, adjust this optical lens group and be in different location statuss.
According to above-mentioned conception of the present invention, this shade block is for stopping that by a hamper that is deposited in this optical lens group the light path path of this point source of light forms.
According to above-mentioned conception of the present invention, this optical image treating apparatus can be a screen with two-dimensional coordinate mark, for this first and second optical image projection thereon, and the two-dimensional coordinate value of this shade block during synchronous change, is promptly being represented the bad of this optical element along with the position adjustment action of this optical element.
According to above-mentioned conception of the present invention, this optical image treating apparatus can be a computer processor unit that is provided with the optics sensing element, to import this first and second optical image, and the sensing image coordinate figure that this computer processor unit is judged this shade block during synchronous change, is promptly being represented the bad of this optical element along with the position adjustment action of this optical element.
Detection method and device in order to detection optical element quality of the present invention can be checked out quality of optical element easily under the prerequisite that increases cost not significantly.
Description of drawings
Fig. 1: it is the step exemplary plot of a preferable implementing procedure of the present invention.
Fig. 2 (a), Fig. 2 (b): it is all the structure and the working example figure of one first preferable device for carrying out said of the present invention.
Fig. 3 (a), Fig. 3 (b): it is all the structure and the working example figure of one second preferable device for carrying out said of the present invention.
Wherein, description of reference numerals is as follows:
1-pick-up unit; 11-light-source generation device; 110-point source of light;
111-the first optical image; 112-the second optical image; 12-grip device;
Element is adjusted in 121-position; 13-optical image treating apparatus; 14-optical lens group;
141-shade block; 2-pick-up unit; 21-light-source generation device; 210-point source of light;
211-the first optical image; 212-the second optical image; 22-grip device;
Element is adjusted in 221-position; 23-optical image treating apparatus; 231-optics sensing element;
232-microprocessor; 233-output unit; Signal is adjusted in 2321-position;
24-optical lens group; 241-shade block; R-spinning movement;
X-two-dimensional coordinate axle; Y-two-dimensional coordinate axle.
Embodiment
Below enumerate preferred embodiment now with explanation the present invention, so be familiar with this operator and know that all this only is one for example, and be not in order to qualification invention itself.
Of the present invention one preferable implementation method is proposed at first, now.See also Fig. 1, it is the flow example figure of a preferable implementation method of the present invention, and its detailed step is as described below:
Step (a): beginning;
Step (b) a: LASER Light Source that belongs to point source of light is provided;
Step (c): export this LASER Light Source, and make it pass an optical element, to form one first optical image at an optical image treating apparatus place;
The preferably, wherein this optical element can comprise one and passes wherein optical lens group for this LASER Light Source, and one in order to grip the lens group anchor clamps of this optical lens group; As for these lens group anchor clamps, then can have a position and adjust element, with rotation mode or in the inclination mode, adjust this optical lens group and be in different location statuss;
Step (d): when having a shade block in this first optical image, the location status of this optical lens group is adjusted in rotation to the left or to the right, so that this LASER Light Source is after passing this optical lens group of adjusting action, and form one second optical image at this optical image treating apparatus place;
Wherein, this shade block is for stopping that by a hamper that is deposited in this optical lens group the light path path of this LASER Light Source forms;
Step (e): this first and second optical image relatively to judge the whether same moved further along with the adjustment action of this optical lens group of this shade block, determines the quality of this optical lens group;
Wherein, at this optical image treating apparatus is that a screen with two-dimensional coordinate mark throws thereon for this first and second optical image, and, the two-dimensional coordinate value of this shade block during synchronous change, is promptly being represented the bad of this optical lens group along with the position adjustment action of this optical lens group;
Or, this optical image treating apparatus also can be one and is provided with the computer processor unit of optics sensing element to import this first and second optical image, and, the sensing image coordinate figure that this computer processor unit is judged this shade block during synchronous change, is promptly being represented the bad of this optical element along with the position adjustment action of this optical element; And
Step (f): finish.
As for relevant preferable device for carrying out said of the present invention, then see also Fig. 2 (a), Fig. 2 (b), it is all the structure and the working example figure of one first preferable device for carrying out said of the present invention.Therein, pick-up unit 1 can comprise: a light-source generation device 11, is located at the grip device 12 at the rear of this light-source generation device 11, and an optical image treating apparatus 13 of being located at these grip device 12 rears.With this preferred embodiment is example, and this grip device 12 can be one and has the lens group anchor clamps that element 121 is adjusted in the position, and this optical image treating apparatus 13 can be a screen with two-dimensional coordinate mark.
The optical lens group 14 of first-class its camera lens quality to be detected can be gripped by these lens group anchor clamps 12, for this light-source generation device 11 produce output a point-like light source 110 (for example, be a LASER Light Source) pass wherein, and be projected on this screen with two-dimensional coordinate mark 13.Suppose, when this optical lens group 14 is in a primary importance, finding that this LASER Light Source 110 is passed in optical images 111 (can be considered one first optical image) that this optical lens group 14 backs are projected includes a shade block 141, then can utilize this position (for example to adjust element 121, be one can carry out the manual rotating element of left rotation and right rotation action R), change location status to a second place of this optical lens group 14 that is gripped by these lens group anchor clamps 12 with manual adjusting style, and after making that this LASER Light Source 110 passes this optical lens group 14, project another optical image 112 (can be considered one second optical image) to these screen 13 places.
Because these screen 13 tops have been marked with the two-dimensional coordinate of X-axis and Y-axis, so this optical lens group 14 is in this primary importance and this first optical image of being projected, and wherein this shade block 141 obviously will have one first coordinate figure.In case, when this optical lens group 14 is driven to rotate along with the rotation of these lens group anchor clamps 12, to cause the also and then rotation of this optical lens group 14 and rotate together and when being formed in this second optical image 112, this shade block 141 obviously will change into has one second coordinate figure of this shade block 141.Afterwards, whether row relatively to be arranged in the appearance forrns of this shade block 141 of this first or second optical image 111,112 identical again, can confirm whether this shade block 141 is formed by the hamper that is positioned at this optical lens group 14.That is, this shade block 141 is as being formed by the hamper that is positioned at this optical lens group 14 really, then it obviously will rotate together along with the rotation of this optical lens group 14, certainly, related this shade block 141 that is projected to these screen 13 places that also can make also can and then move the coordinate position that it was located.Thus, the tester can learn the camera lens quality of this optical lens group 14 easily.
See also Fig. 3 (a), Fig. 3 (b) again, it is all the structure and the working example figure of one second preferable device for carrying out said of the present invention.Therein, pick-up unit 2 can comprise: a light-source generation device 21, is located at the grip device 22 at the rear of this light-source generation device 21, and an optical image treating apparatus 23 of being located at these grip device 22 rears.With this preferred embodiment is example, and this grip device 22 can be one and has the lens group anchor clamps that element 221 is adjusted in the position, and this optical image treating apparatus 23 can be a computer processor unit that is provided with optics sensing element 231.Certainly, this computer processor unit 23 more comprises a microprocessor 232 that is electrically connected on this optics sensing element 231 and these lens group anchor clamps 22, and an output unit 233 that is electrically connected on this microprocessor 232., promptly no longer given unnecessary details because of being a known technology only as for the detailed operation principle of this optics sensing element 231 (for example, can be a CCD optics sensing element) at this.
Moreover, the optical lens group 24 of first-class its camera lens quality to be detected can be gripped by these lens group anchor clamps 22, for this light-source generation device 21 produce output a point-like light source 210 (for example, be a LASER Light Source) pass wherein, and be projected to this optics sensing element 231 sentence for its carry out the sensing input action.Suppose, when this optical lens group 24 is in a primary importance, finding that this LASER Light Source 210 passes in optical images 211 (can be considered one first optical image) that this optical lens group 24 backs are projected includes a shade block 241, then can utilize this position (for example to adjust element 221, its position that is subjected to being produced by this microprocessor 232 is adjusted the control of signal 2321 and can be carried out the automatic rotating element of left rotation and right rotation action R), change location status to a second place of this optical lens group 24 that is gripped by these lens group anchor clamps 22 in automatic adjustment mode, and after making that this LASER Light Source 210 passes this optical lens group 24, project another optical image 212 (can be considered one second optical image) to these optics sensing element 231 places.
Because the sensing image signal (being aforesaid this first and second optical image 211,212) that these microprocessor 232 inputs and processing are learnt from 231 sensings of this optics sensing element has the sensing image coordinate figure, therefore this optical lens group 14 is in this primary importance and this first optical image 211 of being projected, and wherein this shade block 241 obviously will have one first sensing image coordinate figure.In case, when this optical lens group 24 is driven to rotate along with the rotation of these lens group anchor clamps 22, to cause the also and then rotation of this optical lens group 24 and rotate together and when being formed in this second optical image 212, this shade block 241 obviously will change into has one second sensing image coordinate figure of this shade block 241.Afterwards, whether row is identical by the appearance forrns of this shade block 241 that this microprocessor 232 relatively is arranged in this first or second optical image 211,212 again, can confirm whether this shade block 241 is formed by the hamper that is positioned at this optical lens group 24.That is, this shade block 241 is as being formed by the hamper that is positioned at this optical lens group 24 really, then it obviously will rotate together along with the rotation of this optical lens group 24, certainly, related this shade block 241 that is projected to these optics sensing element 231 places that also can make also can and then move the coordinate position that it was located.Thus, the tester can learn the camera lens quality of this optical lens group 24 easily by this output unit 233.
In sum, the present invention can provide a kind of quality of optical element detection method and the device that can find the hamper in optical lens group internal constraint light path path easily really under the prerequisite that increases cost not significantly, so the present invention one has the work of industrial value.
The present invention must be thought and is to modify right neither scope of taking off the desire protection of appended claims institute as all by the personage Ren Shi craftsman who has the knack of this technology.
Claims (10)
1, a kind of detection method in order to detection optical element quality wherein comprises the following step:
One point-like light source is provided;
Export this point source of light, and make it pass an optical element, to form one first optical image at an optical image treating apparatus place;
When having a shade block in this first optical image, adjust the location status of this optical element, so that this point source of light is after passing this optical element of adjusting action, and form one second optical image at this optical image treating apparatus place; And
This first and second optical image relatively to judge the whether same moved further along with the adjustment action of this optical element of this shade block, determines the quality of this optical element.
2, the detection method in order to detection optical element quality as claimed in claim 1, it is characterized in that this point source of light is a LASER Light Source, this optical element then comprises one and passes wherein optical lens group for this LASER Light Source, and one in order to grip the lens group anchor clamps of this optical lens group; Wherein, these lens group anchor clamps have a position and adjust element, with rotation or in the inclination mode, adjust this optical lens group and are in different location statuss.
3, the detection method in order to detection optical element quality as claimed in claim 1, it is characterized in that this optical image treating apparatus is one to have the screen of two-dimensional coordinate mark, for this first and second optical image projection thereon, and the two-dimensional coordinate value of this shade block during synchronous change, is promptly being represented the bad of this optical element along with the position adjustment action of this optical element.
4, the detection method in order to detection optical element quality as claimed in claim 1, it is characterized in that this optical image treating apparatus is one to be provided with the computer processor unit of optics sensing element, to import this first and second optical image, and the sensing image coordinate figure that this computer processor unit is judged this shade block during synchronous change, is promptly being represented the bad of this optical element along with the position adjustment action of this optical element.
5, a kind of detection method in order to detection optical element quality wherein comprises the following step:
One point-like light source is provided;
Export this point source of light, and make it pass an optical element that can be in the diverse location state, in an optical image treating apparatus, to retain different optical images; And
Judge whether all have identic shade block in the described different optical image, determine the quality of this optical element.
6, a kind of pick-up unit in order to detection optical element quality wherein comprises:
One light-source generation device, it is in order to produce a point-like light source;
One grip device is located at the rear of this light-source generation device, and it can pass wherein optical lens group for this point source of light in order to grip one, and can adjust the location status of this optical lens group; And
One optical image treating apparatus, be located at the rear of this optical lens group, to import this point source of light after passing the optical lens group that is in the diverse location state and the different optical image that is produced, and can determine the quality of this optical element according to the shade block in the described different optical image whether along with the adjustment of this optical lens group is moved and same moved further.
7, the pick-up unit in order to detection optical element quality as claimed in claim 6, it is characterized in that this point source of light is a LASER Light Source, and this grip device is one in order to grip the lens group anchor clamps of this optical lens group, these lens group anchor clamps have a position and adjust element, with rotation or in the inclination mode, adjust this optical lens group and be in different location statuss.
8, the pick-up unit in order to detection optical element quality as claimed in claim 6 is characterized in that this shade block is for stopping that by a hamper that resides in this optical lens group the light path path of this point source of light forms.
9, the pick-up unit in order to detection optical element quality as claimed in claim 6, it is characterized in that this optical image treating apparatus is one to have the screen of two-dimensional coordinate mark, for this first and second optical image projection thereon, and the two-dimensional coordinate value of this shade block during synchronous change, is promptly being represented the bad of this optical element along with the position adjustment action of this optical element.
10, the pick-up unit in order to detection optical element quality as claimed in claim 6, it is characterized in that this optical image treating apparatus is one to be provided with the computer processor unit of optics sensing element, to import this first and second optical image, and the sensing image coordinate figure that this computer processor unit is judged this shade block during synchronous change, is promptly being represented the bad of this optical element along with the position adjustment action of this optical element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510074301 CN100498308C (en) | 2005-05-25 | 2005-05-25 | Method and device for investigating quality of optical element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510074301 CN100498308C (en) | 2005-05-25 | 2005-05-25 | Method and device for investigating quality of optical element |
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| CN1869668A CN1869668A (en) | 2006-11-29 |
| CN100498308C true CN100498308C (en) | 2009-06-10 |
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| CN 200510074301 Expired - Fee Related CN100498308C (en) | 2005-05-25 | 2005-05-25 | Method and device for investigating quality of optical element |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102122108B (en) * | 2011-04-01 | 2012-08-22 | 扬州大学 | Independently moving and independently rotating two-degree-of-freedom parallel mechanism |
| CN104198501B (en) * | 2014-09-18 | 2017-02-15 | 中国科学院光电技术研究所 | Method for positioning reflector with flaw on reflecting surface |
| CN105510354B (en) * | 2015-12-08 | 2018-06-29 | 中国工程物理研究院激光聚变研究中心 | A kind of method of on-line checking multi-way amplification laser system optic element damage |
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