CN103926055A - Lossless measuring method for refraction index of optical lens - Google Patents
Lossless measuring method for refraction index of optical lens Download PDFInfo
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- CN103926055A CN103926055A CN201310013944.8A CN201310013944A CN103926055A CN 103926055 A CN103926055 A CN 103926055A CN 201310013944 A CN201310013944 A CN 201310013944A CN 103926055 A CN103926055 A CN 103926055A
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- refractive index
- optical mirror
- mirror slip
- focal power
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Abstract
A lossless measuring method for the refraction index of an optical lens is characterized by including the steps that firstly, an instrument which can detect the focal power of the optical lens is provided, wherein the instrument is a lensometer or a focal length instrument; secondly, the focal power K<v, 1> is measured through the lensometer or the focal length instrument when the optical lens is placed in the air environment; thirdly, the focal power K<v, n> is measured through the lensometer or the focal length instrument when the optical lens mentioned in the second step is placed in the liquid environment with the refraction index of n; fourthly, the refraction index calculation formula mu=(nK<v,1>-K<v,n>)/(K<v,1>-K<v,n>) of the optical lens is derived through the focal power of the optical lens according to the formula K<v,n>/(mu-n)=c<1>-c<2>, wherein mu represents the refraction index of the optical lens. The lossless measuring method for the refraction index of the optical lens has the advantages of being easy and convenient to use and easy to operate, and allowing lossless measurement to be achieved and the refraction index of the optical lens to be accurately measured.
Description
Technical field
The present invention relates to a kind of optical mirror slip assay method, specifically, is a kind of non-destructive determination method of optical mirror slip refractive index.
Background technology
Light is injected medium from vacuum when refraction is occurred, and incident angle and the ratio of the sine at refraction angle are called " absolute index of refraction " of medium, are called for short refractive index.The refractive index of lens is an important parameter of eyeglass.Along with the refractive index kind of the development lens of new material is more and more, particularly the difference in selling prices of compositing organic material eyeglass different refractivity is very large, the eyeglass that the refractive index of the same number of degrees is 1.67 is higher more than ten times than the price of 1.56 eyeglass, and range estimation is the difference that can not distinguish wherein.In spectacles industry, there is no at present the determining instrument of optical mirror slip refractive index, can only rely on mirror degree table and the method for lensmeter to eyeglass detecting refractive index utilized, it first measures the diopter of eyeglass with lensmeter, go out again the diopter of eyeglass with mirror degree table, convert and draw the refractive index of tested eyeglass through correlation formula, but the method is subject to the restriction of mirror degree table measuring accuracy to be only applicable to the general mensuration of eyeglass refractive index; Another kind method is to utilize the method for lensmeter and surface curvature instrument, it first measures the diopter of eyeglass with lensmeter, measure again the radius-of-curvature on two surfaces, eyeglass front and back with surface curvature instrument, these three parameter substitution correlation formulas are tried to achieve to the refractive index of tested eyeglass, trace routine is loaded down with trivial details, means lag behind, and measuring accuracy is poor.
Therefore also do not have in the market reliable and stable instrument accurately to measure the refractive index of optical mirror slip, and the assay method of known optical mirror slip refractive index exist above-mentioned all inconvenience and problem.
Summary of the invention
Object of the present invention, is to propose a kind of and optical lens eyeglass need be put in detecting instrument to haptic lens according to the non-destructive determination method that just can obtain the optical mirror slip refractive index of refractive index once.
For achieving the above object, technical solution of the present invention is:
A non-destructive determination method for optical mirror slip refractive index, is characterized in that comprising the following steps:
A, provide an instrument that can detect optical mirror slip focal power, described instrument is lensmeter, or focometer;
B, use described lensmeter, or focometer is measured an optical mirror slip and is placed in the focal power under air ambient
k v, 1 ;
C, use described lensmeter, or focometer is measured for the same optical mirror slip of step b and is placed in the focal power under the liquid environment that refractive index is n
k v,n ;
D, optical mirror slip focal power are utilized formula
（1）
Wherein:
k v,n the focal power under the optical mirror slip liquid environment that is n in refractive index,
μfor the refractive index of optical mirror slip, the refractive index that n is liquid, C
1for the aerial focal length of optical mirror slip, C
2for the focal length of optical mirror slip in liquid;
Derived the refractive index of optical mirror slip by formula 1 and calculate formula
（2）
Wherein:
μfor the refractive index of optical mirror slip, the refractive index that n is liquid, K
v, 1the focal power under the optical mirror slip air ambient that is 1 in refractive index,
k v,n it is the focal power under the optical mirror slip liquid environment that is n in refractive index.
The non-destructive determination method of optical mirror slip refractive index of the present invention can also be further achieved by the following technical measures.
Aforesaid method, wherein said lensmeter is the lensmeter by the LM-380 model of Xiong Bo exact instrument incorporated company manufacture.
Aforesaid method, in wherein said step c, refractive index n > 1.
Aforesaid method, in wherein said step c, the value of refractive index n is the bigger the better.
Aforesaid method, in wherein said step c, liquid is distilled water.
Aforesaid method, in wherein said step c, liquid is ethanol.
Aforesaid method, in wherein said step c, liquid is glycerine.
Adopt after technique scheme, the non-destructive determination method of optical mirror slip refractive index of the present invention has the following advantages:
1, easy, simple to operate, the non-destructive determination of method;
2, accurately measure the refractive index of optical mirror slip.
Embodiment
Below in conjunction with embodiment, the present invention is illustrated further.
Embodiment 1
The non-destructive determination method of optical mirror slip refractive index of the present invention, is characterized in that comprising the following steps:
A, lensmeter is provided is the lensmeter of LM-380 model of being manufactured by Xiong Bo exact instrument incorporated company;
The lensmeter of the LM-380 model that b, use are manufactured by Xiong Bo exact instrument incorporated company is measured each optical mirror slip to 5 kinds of eyeglasses with the different focal powers of material and is placed in the focal power under air ambient under air ambient
k v, 1 , test result is referring to table 1;
C, use the lensmeter of LM-380 model of being manufactured by Xiong Bo exact instrument incorporated company, the optical mirror slip by test in step b 5 kinds with the different focal powers of material is placed in (20 DEG C) under the liquid environment that refractive index n is 1.4730 glycerine and measures focal power separately
k v,n , test result is referring to table 1;
D, optical mirror slip focal power are utilized formula
（1）
Wherein:
k v,n the focal power under the optical mirror slip liquid environment that is n in refractive index,
μfor the refractive index of optical mirror slip, the refractive index that n is liquid, C
1for the aerial focal length of optical mirror slip, C
2for the focal length of optical mirror slip in liquid;
Derived the refractive index of optical mirror slip by formula 1 and calculate formula
（2）
Wherein:
μfor the refractive index of optical mirror slip, the refractive index that n is liquid, K
v, 1the focal power under the optical mirror slip air ambient that is 1 in refractive index,
k v,n it is the focal power of the focal power under the optical mirror slip liquid environment that is n in refractive index
k v,n .
Therefore, record 5 kinds of eyeglasses with the different focal powers of material at step b measures each optical mirror slip and is placed in the focal power under air ambient under air ambient
k v, focal power under air ambient, records the focal power of (20 DEG C) under the liquid environment that 5 kinds of eyeglasses with the different focal powers of material are 1.4730 glycerine at refractive index n at step c
v,n focal power under glycerine environment, then convert through formula (1) and (2) and draw the refractive index of this optical mirror slip, its conclusion for this reason eyeglass is to be nominally red of 1.81 glass of high refractive index, test result is referring to table 1.The refractive index of gained optical mirror slip is an accurate numerical value.
5 kinds of eyeglass test results with the different focal powers of material of table 1.
Embodiment 2
The present embodiment except adopt liquid for the refractive index n of (20 DEG C) be 1.3330 distilled water, all the other are with embodiment 1, its conclusion for this reason eyeglass is to be nominally red of 1.81 glass of high refractive index, test result is referring to table 2.Use distilled water to detect to have safety, health, benefit easily.
5 kinds of eyeglass test results with the different focal powers of material of table 2.
The present invention has substantive distinguishing features and significant technical progress, and a kind of accurate assay method for optical mirror slip refractive index is provided.
Above embodiment is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, can also make various conversion or variation.Therefore, all technical schemes that are equal to also should belong to category of the present invention, should be limited by each claim.
Claims (7)
1. a non-destructive determination method for optical mirror slip refractive index, is characterized in that comprising the following steps:
A, provide an instrument that can detect optical mirror slip focal power, described instrument is lensmeter, or focometer;
B, use described lensmeter, or focometer is measured an optical mirror slip and is placed in the focal power under air ambient
k v, 1 ;
C, use described lensmeter, or focometer is measured for the same optical mirror slip of step b and is placed in the focal power under the liquid environment that refractive index is n
k v,n ;
D, optical mirror slip focal power are utilized formula
（1）
Wherein:
k v,n the focal power under the optical mirror slip liquid environment that is n in refractive index,
μfor the refractive index of optical mirror slip, the refractive index that n is liquid, C
1for the aerial focal length of optical mirror slip, C
2for the focal length of optical mirror slip in liquid;
Derived the refractive index of optical mirror slip by formula 1 and calculate formula
（2）
Wherein:
μfor the refractive index of optical mirror slip, the refractive index that n is liquid, K
v, 1the focal power under the optical mirror slip air ambient that is 1 in refractive index,
k v,n it is the focal power under the optical mirror slip liquid environment that is n in refractive index.
2. the non-destructive determination method of optical mirror slip refractive index as claimed in claim 1, is characterized in that, in described step a, lensmeter is the lensmeter by the LM-380 model of Xiong Bo exact instrument incorporated company manufacture.
3. the non-destructive determination method of optical mirror slip refractive index as claimed in claim 1, is characterized in that, in described step c, and refractive index n > 1.
4. the non-destructive determination method of the optical mirror slip refractive index as described in claim 1 or 2, is characterized in that, in described step c, the value of refractive index n is the bigger the better.
5. the non-destructive determination method of optical mirror slip refractive index as claimed in claim 1, is characterized in that, in described step c, liquid is distilled water.
6. the non-destructive determination method of optical mirror slip refractive index as claimed in claim 1, is characterized in that, in described step c, liquid is ethanol.
7. the non-destructive determination method of optical mirror slip refractive index as claimed in claim 1, is characterized in that, in described step c, liquid is glycerine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310013944.8A CN103926055A (en) | 2013-01-15 | 2013-01-15 | Lossless measuring method for refraction index of optical lens |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310013944.8A CN103926055A (en) | 2013-01-15 | 2013-01-15 | Lossless measuring method for refraction index of optical lens |
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| CN103926055A true CN103926055A (en) | 2014-07-16 |
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| CN201310013944.8A Pending CN103926055A (en) | 2013-01-15 | 2013-01-15 | Lossless measuring method for refraction index of optical lens |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274753A (en) * | 2019-07-23 | 2019-09-24 | 温州市天创知识产权代理有限公司 | A kind of lossless detection method of optical mirror slip refractive index |
| CN110617948A (en) * | 2019-09-25 | 2019-12-27 | 孙建凡 | Device and method for measuring refractive index of spectacle lens |
| CN111649916A (en) * | 2020-06-17 | 2020-09-11 | 微山县微山湖微电子产业研究院有限公司 | Water injection type lens refractive index measuring device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63201547A (en) * | 1987-02-17 | 1988-08-19 | Nippon Telegr & Teleph Corp <Ntt> | Measuring instrument for refractive index distribution |
| JPH0954014A (en) * | 1995-08-11 | 1997-02-25 | Nidek Co Ltd | Lens meter |
| CN1447111A (en) * | 2003-01-23 | 2003-10-08 | 华南师范大学 | Method for measuring refractive index of thin film and its device |
| JP2005331427A (en) * | 2004-05-21 | 2005-12-02 | Tokai Kogaku Kk | Refractive index measuring method for lens |
| CN101074900A (en) * | 2006-05-16 | 2007-11-21 | 株式会社拓普康 | Apparatus for detecting refractive index |
-
2013
- 2013-01-15 CN CN201310013944.8A patent/CN103926055A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63201547A (en) * | 1987-02-17 | 1988-08-19 | Nippon Telegr & Teleph Corp <Ntt> | Measuring instrument for refractive index distribution |
| JPH0954014A (en) * | 1995-08-11 | 1997-02-25 | Nidek Co Ltd | Lens meter |
| CN1447111A (en) * | 2003-01-23 | 2003-10-08 | 华南师范大学 | Method for measuring refractive index of thin film and its device |
| JP2005331427A (en) * | 2004-05-21 | 2005-12-02 | Tokai Kogaku Kk | Refractive index measuring method for lens |
| CN101074900A (en) * | 2006-05-16 | 2007-11-21 | 株式会社拓普康 | Apparatus for detecting refractive index |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274753A (en) * | 2019-07-23 | 2019-09-24 | 温州市天创知识产权代理有限公司 | A kind of lossless detection method of optical mirror slip refractive index |
| CN110617948A (en) * | 2019-09-25 | 2019-12-27 | 孙建凡 | Device and method for measuring refractive index of spectacle lens |
| CN111649916A (en) * | 2020-06-17 | 2020-09-11 | 微山县微山湖微电子产业研究院有限公司 | Water injection type lens refractive index measuring device and method |
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Application publication date: 20140716 |