CN203102705U - Simple and easy chromatic polarization demonstration instrument - Google Patents
Simple and easy chromatic polarization demonstration instrument Download PDFInfo
- Publication number
- CN203102705U CN203102705U CN 201320112093 CN201320112093U CN203102705U CN 203102705 U CN203102705 U CN 203102705U CN 201320112093 CN201320112093 CN 201320112093 CN 201320112093 U CN201320112093 U CN 201320112093U CN 203102705 U CN203102705 U CN 203102705U
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- polaroid
- chromatic polarization
- polarizing film
- easy
- demonstration instrument
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Abstract
The utility model relates to a simple and easy chromatic polarization demonstration instrument. The simple and easy chromatic polarization demonstration instrument is characterized by comprising a base, a rotary bracket, a first polarizing film, a second polarizing film, a surface light source and a power source, wherein the rotary bracket is arranged on the left side of the base and is provided with a shaking handle, the first polarizing film and the second polarizing film are arranged on the rotary bracket, the surface light source is arranged on the right side of the base and is opposite to the first polarizing film, and the power source is arranged on the right side of the rotary bracket; and an anisotropic scotch tape is pasted on the first polarizing film which is detachably arranged between the second polarizing film and the surface light source. The simple and easy chromatic polarization demonstration instrument is manufactured on the basis of relevant knowledge of the chromatic polarization in combination of the anisotropic characteristics of the scotch tape in life through a large-scale demonstration platform of the surface light source. The simple and easy chromatic polarization demonstration instrument is simple and convenient to operate and can be used for obtaining distinct, intuitive and colorful images, fully mobilizing the classroom atmosphere, raising the interest of students and solving the shortcomings of a conventional polarization demonstration instrument.
Description
Technical field
The utility model relates to the instrument that is used for the college physics teaching demonstration, refers to a kind of teaching exhibiting device that can be used as the chromatic polarization of demonstration usefulness especially.
Background technology
1811, Britain physicist Ah loudspeaker fruit is studied the interference of polarized light for the first time: he is when observing the blue light of sky with kalzit, added a transparent thin mica sheet, the o light and the e light two-beam that found that outgoing all have distinct colour tint, next he changes thin mica sheet into different thin crystal wafer again, found that nearly all o light and e light through the crystal wafer outgoing all has distinct colour tint.For this phenomenon, he thinks the result of polarized light interference.Up to 1816, Ah loudspeaker fruit and Fresnel cooperation were finished several basic experiment relevant with polarized light interference and have drawn certain achievement.These experiments show.Interfere light polarization in two mutually perpendicular planes if guarantee two in common interference experiment, that just can not observe interference pattern, promptly all maximum value and minimizing distribution.
Significantly embodying because polarization is of light beats, also is one of character that is widely used, and therefore occupies important status for a long time in teaching.Under the background of the reform of educational system, each colleges and universities pays close attention to more to quality of instruction, classroom atmosphere, this just has higher requirement to various educational experimentation equipment, and wishes that the phenomenon showed can be more directly perceived, clear,, cost reduction simple to operate to equipment requirements etc.
Yet, the experimental apparatus complicated operation of present relevant chromatic polarization, image inadequately obviously, adjust complexity, experimenter's operation had relatively high expectations, have many drawbacks.
Summary of the invention
The utility model provides a kind of simple, convenient at the deficiencies in the prior art part, clear picture chromatic polarization demonstrator directly perceived, coloury.
The technical solution of the utility model is as follows: a kind of plain type chromatic polarization demonstrator of the present utility model, comprise base, and be arranged on the base left side and be with the rotary type support that shakes handle, and be arranged on first polaroid and second polaroid on the rotary type support, and the area source that is arranged on base the right and is oppositely arranged with first polaroid, and be arranged on the power supply on rotary type support right side, post anisotropic adhesive tape on described first polaroid, described first polaroid is removably disposed between second polaroid and the area source.
As optimized technical scheme, on the whole area that is distributed in first polaroid of described adhesive tape.
As optimized technical scheme, described adhesive tape first polaroid is provided with more than one deck.
As optimized technical scheme, one side described area source be provided with a LED fluorescent tube, described area source has been embedded in the transparent panel that special material is made, low at the end transmittance near the LED fluorescent tube, the end transmittance away from the LED fluorescent tube is high more more.
As optimized technical scheme, the area of described first polaroid and second polaroid is identical with the area of area source.
The utility model is on the relevant knowledge basis of chromatic polarization, combine the anisotropic characteristics of adhesive tape in the life, large-scale display platform by area source has been made these works, make it simple, convenient, clear picture is directly perceived, rich color, can give full play to classroom atmosphere, improve student's interest, solve the weak point of existing polarization demonstrator.
The beneficial effects of the utility model are:
1) utilizes in the daily life the anisotropic characteristic of the adhesive tape of cheapness commonly used, the directly distribution of self-defined adhesive tape, the number of plies on polaroid, change its thickness by the number of plies, reach the different phenomenons of thickness, increase the interest in the teaching with regard to different teaching bandwagon effects.Simple and convenient and save cost.
2) the polaroid area be set to the area source area basic identical, thereby utilize area source and large stretch of polaroid to replace original less experimental provision, enlarge displaying scope, range of observation, improved the readability of image.
3) utilize the dirigibility of shaking handle can produce different angles easily, be convenient to operate and the research under the different angles rotation.
Description of drawings
Fig. 1 is the structural representation of the utility model plain type chromatic polarization demonstrator.
Description of reference numerals:
1---area source 2---first polaroid 3---second polaroid
4---power supply 5---adhesive tape 6---rotary type supports
7---LED fluorescent tube 8---base
Embodiment
Referring to Fig. 1, a kind of plain type chromatic polarization demonstrator of the present utility model, comprise base 8, and be arranged on base 8 left sides and be with the rotary type support 6 that shakes handle, and be arranged on first polaroid 2 and second polaroid 3 on the rotary type support 6, and the area source 1 that is arranged on base 8 the right and is oppositely arranged with first polaroid 2, and be arranged on the power supply 4 on rotary type support 6 right sides, post anisotropic adhesive tape 5 on described first polaroid 2, described first polaroid 2 is removably disposed between second polaroid 3 and the area source 1.
On the whole area that is distributed in first polaroid 2 of described adhesive tape 5.
Described adhesive tape 5 first polaroids 2 are provided with more than one deck.
One side of described area source 1 is provided with a LED fluorescent tube 7, and described area source 1 has been embedded in the transparent panel that special material is made (not shown), and low at the end transmittance near LED fluorescent tube 7, the end transmittance away from LED fluorescent tube 7 is high more more.
The area of described first polaroid 2 and second polaroid 3 is identical with the area of area source 1.
When doing light source with white light, phase differential has caused the generation of different colours in the image, phase differential is arranged, direction of vibration is identical, dried penetrating can be taken place, can cause the sudden change of color on the adhesive tape 5,, when the optical axis of adhesive tape 5 is parallel or vertical with second polaroid 3, just can find that sudden change has also taken place color of image along with second polaroid 3 constantly rotates.
During device work, towards the person of being demonstrated, handle surface is loaded onto first polaroid (one of adhesive tape 5 faces another second non-disconnectable polaroid 3) that adhesive tape 5 was handled to the exhibitor with the one side of second polaroid 3.Area source 1 is connected with the mains, and Closing Switch is shaken handle, and the observer can observe phenomenon clearly.
The utility model is on the relevant knowledge basis of chromatic polarization, combine the anisotropic characteristics of adhesive tape in the life, large-scale display platform by area source has been made these works, make it simple, convenient, clear picture is directly perceived, rich color, can give full play to classroom atmosphere, improve student's interest, solve the weak point of existing polarization demonstrator.
The beneficial effects of the utility model are:
1) utilizes in the daily life the anisotropic characteristic of the adhesive tape of cheapness commonly used, the directly distribution of self-defined adhesive tape, the number of plies on polaroid, change its thickness by the number of plies, reach the different phenomenons of thickness, increase the interest in the teaching with regard to different teaching bandwagon effects.Simple and convenient and save cost.
2) the polaroid area be set to the area source area basic identical, thereby utilize area source and large stretch of polaroid to replace original less experimental provision, enlarge displaying scope, range of observation, improved the readability of image.
3) utilize the dirigibility of shaking handle can produce different angles easily, be convenient to operate and the research under the different angles rotation.
The above only is an embodiment of the present utility model, but protection domain of the present utility model is not limited thereto, and any variation or replacement of expecting without creative work all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claims were limited.
Claims (5)
1. plain type chromatic polarization demonstrator, it is characterized in that: comprise base, and be arranged on the base left side and be with the rotary type support that shakes handle, and be arranged on first polaroid and second polaroid on the rotary type support, and the area source that is arranged on base the right and is oppositely arranged with first polaroid, and be arranged on the power supply on rotary type support right side, post anisotropic adhesive tape on described first polaroid, described first polaroid is removably disposed between second polaroid and the area source.
2. plain type chromatic polarization demonstrator according to claim 1 is characterized in that: on the whole area that is distributed in first polaroid of described adhesive tape.
3. plain type chromatic polarization demonstrator according to claim 2 is characterized in that: described adhesive tape first polaroid is provided with more than one deck.
4. plain type chromatic polarization demonstrator according to claim 1, it is characterized in that: one side described area source be provided with a LED fluorescent tube, described area source has been embedded in the transparent panel that special material is made, low at the end transmittance near the LED fluorescent tube, the end transmittance away from the LED fluorescent tube is high more more.
5. according to claim 1 or 4 described plain type chromatic polarization demonstrators, it is characterized in that: the area of described first polaroid and second polaroid is identical with the area of area source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320112093 CN203102705U (en) | 2013-03-13 | 2013-03-13 | Simple and easy chromatic polarization demonstration instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320112093 CN203102705U (en) | 2013-03-13 | 2013-03-13 | Simple and easy chromatic polarization demonstration instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203102705U true CN203102705U (en) | 2013-07-31 |
Family
ID=48854091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320112093 Expired - Fee Related CN203102705U (en) | 2013-03-13 | 2013-03-13 | Simple and easy chromatic polarization demonstration instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203102705U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110349486A (en) * | 2019-07-23 | 2019-10-18 | 南开大学 | A kind of large-scale demonstrator for light polarization phenomenon |
-
2013
- 2013-03-13 CN CN 201320112093 patent/CN203102705U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110349486A (en) * | 2019-07-23 | 2019-10-18 | 南开大学 | A kind of large-scale demonstrator for light polarization phenomenon |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20140313 |