CN102830091A - Method for measuring liquid refractive index through method of angle of minimum deviation - Google Patents
Method for measuring liquid refractive index through method of angle of minimum deviation Download PDFInfo
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- CN102830091A CN102830091A CN 201110162834 CN201110162834A CN102830091A CN 102830091 A CN102830091 A CN 102830091A CN 201110162834 CN201110162834 CN 201110162834 CN 201110162834 A CN201110162834 A CN 201110162834A CN 102830091 A CN102830091 A CN 102830091A
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Abstract
The invention relates to a method for measuring a liquid refractive index through a method of an angle of minimum deviation. The device comprises a hollow container made of a transparent optical flat glass and a container cover assorted with the hollow container. The hollow container is isosceles triangular prism shaped, and the assorted container cover is isosceles triangle shaped; the container cover is provided with a through hole, and the through hole is provided with a through hole plug. The hollow container is placed on an adjusted spectrometer object carrying table, and liquid to be measured is injected into the container. Monochrome parallel light emitted by a collimating device is irradiated to one lateral surface of a top angle of the container, and ray emitted from the other lateral surface is observed through a telescope. The spectrometer object carrying table is rotated, an incident angle of the ray is changed, and the angle of minimum deviation of emergent ray is observed, so that the refractive index of the liquid to be measured is obtained. The device, provided by the invention, has the advantages of simple structure, convenience for operation, and capability of measuring the refractive indexes of all kinds of liquid precisely.
Description
Technical field
The present invention relates to a kind of Physical Experiment measurement mechanism, especially a kind of minimum deviation horn cupping refractive index of transparent liquid device.
Background technology
Refractive index is a kind of important parameter of characterized medium optical properties of materials, in production and scientific research department, often need measure the refractive index of object.Wherein the assay method of liquid refractivity has multiplely, and as with Abbe refractometer determination method, glancing incidence method etc., measuring method respectively has relative merits.The present invention provides a kind of device that utilizes the accurate refractive index of transparent liquid of spectrometer.
Summary of the invention
Technical matters to be solved by this invention is a kind of simple in structure, easy to operate, the experimental provision that can accurately measure various liquid refractivities of design.
In order to solve the problems of the technologies described above, the present invention provides a kind of minimum deviation horn cupping refractive index of transparent liquid device, and this device is covered by a hollow container of processing with the flat glass of transparent optical and complete container with it to be formed.Hollow container is that isosceles are triangular prism shaped, and the complete container lid is isosceles triangle; One through hole is arranged on the container cover, be used in container, injecting instruments such as testing liquid or insertion thermometer; Through hole is furnished with a through hole plug.
During actual measurement, hollow container is placed on the spectrometer objective table of adjusting, in container, injects testing liquid.The light that penetrates from the another side is observed in a side of the monochromatic collimated beam exposure cage drift angle that parallel light tube sends through telescope.Slowly rotate the spectrometer objective table, change the incident angle of light, then the angle of deviation of emergent ray changes thereupon.Utilize the angle of minimum deviation of spectrometer, measure emergent ray, then according to the refraction law of light path and light, the refractive index that can try to achieve testing liquid does
A is the drift angle of isosceles triangular prism in the formula, δ
MinAngle of minimum deviation for emergent ray.
The present invention is owing to adopt above-mentioned design, and it is simple in structure, and is easy to operate, can accurately measure various liquid refractive index.
Description of drawings
Below in conjunction with accompanying drawing the present invention is described further.
Fig. 1 is the structural drawing of a kind of minimum deviation horn cupping refractive index of transparent liquid device of the present invention.
Fig. 2 is the synoptic diagram that utilizes a kind of minimum deviation horn cupping refractive index of transparent liquid measurement device liquid refractivity of the present invention.
1. hollow containers among the figure, 2. container cover is 3. handled knob, 4. through hole, 5. through hole plug, 6. spectrometer objective table, 7. parallel light tube, 8. telescope.
Embodiment
As shown in Figure 1, hollow container 1 is that isosceles are triangular prism shaped, and drift angle is A, is processed by the flat glass of transparent optical; Complete container lid 2 is an isosceles triangle, and 3 and one through hole 4 of handling knob is arranged on the container cover 2; Through hole 4 is furnished with through hole plug 5, can insert instruments such as thermometer.When measuring the liquid of pungency liquid, toxic liquid or volatilization easily, can container cover 2 be covered on container 1, in container 1, inject testing liquid through through hole 4, clog through hole 4 with through hole plug 5 then.
As shown in Figure 2, hollow container 1 is placed on the spectrometer objective table of adjusting 6, in container 1, inject testing liquid.The light that penetrates from the another side is observed through telescope 8 in the side of the monochromatic collimated beam exposure cage 1 drift angle A that parallel light tube sends.Slowly rotate spectrometer objective table 6, change the incident angle of light, this moment, the angle of deviation δ of emergent ray changed thereupon.Utilize the angle of minimum deviation δ min of spectrometer, measure emergent ray, the substitution following formula, can try to achieve the refractive index n (derivation of equation slightly) of testing liquid:
Claims (2)
1. a minimum deviation horn cupping refractive index of transparent liquid device is made up of hollow container of processing with the flat glass of transparent optical (1) and supporting with it container cover (2), and it is characterized in that: hollow container (1) is triangular prism shaped for isosceles.
2. a kind of minimum deviation horn cupping refractive index of transparent liquid device according to claim 1 is characterized in that: container cover (2) is an isosceles triangle, and a through hole (4) is arranged on it, and through hole (4) is furnished with through hole plug (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110162834 CN102830091A (en) | 2011-06-16 | 2011-06-16 | Method for measuring liquid refractive index through method of angle of minimum deviation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110162834 CN102830091A (en) | 2011-06-16 | 2011-06-16 | Method for measuring liquid refractive index through method of angle of minimum deviation |
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| Publication Number | Publication Date |
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| CN102830091A true CN102830091A (en) | 2012-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110162834 Pending CN102830091A (en) | 2011-06-16 | 2011-06-16 | Method for measuring liquid refractive index through method of angle of minimum deviation |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819960A (en) * | 2015-02-12 | 2015-08-05 | 四川大学 | Apparatus and method for measuring glass micro-bead refractive index |
| CN104819959A (en) * | 2015-04-17 | 2015-08-05 | 四川大学 | Device and method for measuring refractive index of low refractive index glass beads |
| CN105044032A (en) * | 2015-06-25 | 2015-11-11 | 陕西师范大学 | Experimental device and experimental method for demonstrating relationship between liquid refractive index and temperature |
| CN106290255A (en) * | 2016-10-26 | 2017-01-04 | 成都光明光电股份有限公司 | The method of testing of infrarefraction rate in the middle part of 1700nm～2500nm |
| CN106370624A (en) * | 2016-09-20 | 2017-02-01 | 鞍山师范学院 | Experimental method and device for measuring liquid refractive index |
| CN108169174A (en) * | 2017-12-28 | 2018-06-15 | 中国科学院长春光学精密机械与物理研究所 | A kind of liquid refractivity test device and test method based on the method for minimum deviation angle |
| CN109781591A (en) * | 2019-01-25 | 2019-05-21 | 淄博澳谱仪器有限公司 | A kind of measurement method and measuring device of sample refractive index |
| CN111272702A (en) * | 2020-03-18 | 2020-06-12 | 山东非金属材料研究所 | Abbe refractometer standard block and its setting method |
| CN112345493A (en) * | 2020-10-20 | 2021-02-09 | 广西壮族自治区计量检测研究院 | Liquid refractive index measuring method |
-
2011
- 2011-06-16 CN CN 201110162834 patent/CN102830091A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819960A (en) * | 2015-02-12 | 2015-08-05 | 四川大学 | Apparatus and method for measuring glass micro-bead refractive index |
| CN104819959A (en) * | 2015-04-17 | 2015-08-05 | 四川大学 | Device and method for measuring refractive index of low refractive index glass beads |
| CN105044032A (en) * | 2015-06-25 | 2015-11-11 | 陕西师范大学 | Experimental device and experimental method for demonstrating relationship between liquid refractive index and temperature |
| CN105044032B (en) * | 2015-06-25 | 2017-12-05 | 陕西师范大学 | The experimental provision and experimental method of liquid refractivity and temperature relation |
| CN106370624A (en) * | 2016-09-20 | 2017-02-01 | 鞍山师范学院 | Experimental method and device for measuring liquid refractive index |
| CN106370624B (en) * | 2016-09-20 | 2023-10-20 | 鞍山师范学院 | Experimental method and device for measuring refractive index of liquid |
| CN106290255A (en) * | 2016-10-26 | 2017-01-04 | 成都光明光电股份有限公司 | The method of testing of infrarefraction rate in the middle part of 1700nm～2500nm |
| CN106290255B (en) * | 2016-10-26 | 2019-07-30 | 成都光明光电股份有限公司 | The test method of infrarefraction rate in the middle part of 1700nm~2500nm |
| CN108169174A (en) * | 2017-12-28 | 2018-06-15 | 中国科学院长春光学精密机械与物理研究所 | A kind of liquid refractivity test device and test method based on the method for minimum deviation angle |
| CN109781591A (en) * | 2019-01-25 | 2019-05-21 | 淄博澳谱仪器有限公司 | A kind of measurement method and measuring device of sample refractive index |
| CN111272702A (en) * | 2020-03-18 | 2020-06-12 | 山东非金属材料研究所 | Abbe refractometer standard block and its setting method |
| CN112345493A (en) * | 2020-10-20 | 2021-02-09 | 广西壮族自治区计量检测研究院 | Liquid refractive index measuring method |
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Application publication date: 20121219 |