CN106816072A - A kind of experiment instrument and method of the interference and diffraction fringe spacing for measuring light - Google Patents
A kind of experiment instrument and method of the interference and diffraction fringe spacing for measuring light Download PDFInfo
- Publication number
- CN106816072A CN106816072A CN201610244308.XA CN201610244308A CN106816072A CN 106816072 A CN106816072 A CN 106816072A CN 201610244308 A CN201610244308 A CN 201610244308A CN 106816072 A CN106816072 A CN 106816072A
- Authority
- CN
- China
- Prior art keywords
- fringe
- photovoltaic cell
- electric meter
- interference
- digital electric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/22—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for optics
Abstract
The present invention relates to a kind of experiment instrument and method of the interference and diffraction fringe spacing for measuring light, it is characterised in that：Photovoltaic cell is combined with digital electric meter, interference or diffraction light are projected into shading plate surface, slow regulation attachable mechanical stage movement photovoltaic cell, reaction according to photovoltaic cell to different illumination intensity, the screen display registration for observing digital electric meter selects maximum therein or minimum value, corresponding is to reach corresponding bright fringe or dark fringe on photovoltaic cell by slit, digital electric meter registration is obtained with attachable mechanical stage, from a maximum or minimum value to the spacing that the distance between another adjacent maximum or minimum value are exactly adjacent bright fringe or dark fringe；The distance of a plurality of bright fringe or dark fringe can also be measured and then averaged.
Description
Technical field
The present invention is relevant Physical Experiment instruments used for education, more particularly to measures the fringe spacing problem of light, is one
The interference of the measurement light of series and the experiment teaching instrument of diffraction fringe spacing.
Background technology
The experimental phenomena obtained in the interference of light and diffraction phenomena is all light and dark striped, quantitative measurment incident light
Wavelength, it is necessary to measure the spacing of adjacent bright fringe (or dark fringe).Common method is human eye by the mesh in measurement head
Sem observation, then adjusts attachable mechanical stage and measures, the method inconvenience observation, and is only limitted to observer and can see experiment
Phenomenon, there is significant limitation.
The content of the invention
Present invention is primarily intended to：Sensitivity reflection using photovoltaic cell to intensity of illumination, is converted into strong and weak different telecommunications
Number phenomenon of the output on digital electric meter or other displays, so as to develop a kind of interference for measuring light and diffraction experiment
The experiment instrument and measuring method of middle fringe spacing.
Above-mentioned technical problem of the invention is mainly what is be addressed by following technical proposals：
A kind of experiment instrument of the interference and diffraction fringe spacing for measuring light, it is characterised in that：
With monocrystalline silicon or polysilicon photovoltaic cells plate, digital electric meter or other display instruments, attachable mechanical stage, with the white of slit
Color shadow shield；
The monocrystalline silicon or polysilicon photovoltaic cells plate are connected with the digital electric meter or other display instruments with wire；With
The white shadow shield is covered in the photovoltaic cell surface, and photovoltaic cell is bundled in into one with the measurement head of the attachable mechanical stage
Rise；
By attachable mechanical stage accurate measurement fringe spacing.
A kind of method of the interference and diffraction fringe spacing for measuring light, it is characterised in that：
(1) by two electrode wires of monocrystalline silicon or polysilicon photovoltaic cells plate and digital electric meter or other display instrument phases
Even；
Different is reflected to strong and weak different light using photovoltaic cell, produces strong and weak different voltage Direct Digital to export in numeral
On ammeter or other display instruments, it is easy to directly judge bright, dark fringe；
(2) by the white non-transparent material with the slit suitable with interference or diffraction fringe width, it is covered in photovoltaic cell
Surface；
The slit for having in non-transparent material and interfering or diffraction fringe width is suitable, the electroplax of photovoltaic cell is reached so as to luminous energy
Surface, light and shade striped is directly perceived visible on white material, and can be optionally through the light of slit；
(3) photovoltaic cell as described in (2) is bound together with attachable mechanical stage measurement head；
(4) interference or diffraction light are projected into white non-transparent material surface, slowly adjusts attachable mechanical stage, mobile photovoltaic electric
The screen display registration of pond, the reaction according to photovoltaic cell to different illumination intensity, observation digital electric meter or other display instruments,
Maximum therein or minimum value are selected, corresponding is to reach corresponding bright fringe or dark on photovoltaic cell by slit
Striped；
(5) digital electric meter registration is obtained from a maximum or minimum value to adjacent another maximum with attachable mechanical stage or most
The distance between small value, is exactly the spacing of adjacent bright fringe or dark fringe；
The distance of a plurality of bright fringe or dark fringe can also be measured and then averaged.
The present invention monocrystalline silicon or polysilicon photovoltaic cells are combined with digital electric meter or other display instruments, will interfere or
Diffraction light projects shading plate surface, slowly adjusts attachable mechanical stage, mobile photovoltaic cell, according to photovoltaic cell to different illumination
The screen display registration of the reaction of intensity, observation digital electric meter or other display instruments, selects maximum therein or minimum value,
Corresponding is to reach corresponding bright fringe or dark fringe on photovoltaic cell by slit.Digital electric meter is obtained with attachable mechanical stage
Registration, from a maximum or minimum value to the distance between another adjacent maximum or minimum value, is exactly adjacent bright bar
The spacing of line or dark fringe.
The distance of a plurality of bright fringe or dark fringe can also be measured and then averaged.
Also Tomas Young's tow-slit experiment can be carried out using the method and obtains interference fringe spacing, so as to measure monochromatic wavelength.
Brief description of the drawings
Accompanying drawing 1 is a kind of structured flowchart of the invention.
In figure：1st, photovoltaic cell 2, the white shadow shield 3 with slit, attachable mechanical stage 4, digital electric meter.
Specific embodiment
Below by embodiment and with reference to accompanying drawing, technical scheme is further described in detail.
Embodiment：
A kind of instrument of interference and diffraction fringe spacing for measuring light as depicted：
With photovoltaic cell 1, digital electric meter 4, attachable mechanical stage 3, the white shadow shield 2 with slit；
Photovoltaic cell 1 is connected with digital electric meter 4 with wire；Photovoltaic cell is covered in the white shadow shield 2 with slit
1 surface, photovoltaic cell 1 is bound together with the measurement head of attachable mechanical stage 3；
By attachable mechanical stage accurate measurement fringe spacing.
A kind of method of the interference and diffraction fringe spacing for measuring light：
Using monocrystalline silicon photovoltaic battery panel, the two poles of the earth of photovoltaic cell 1 are connected by wire with digital electric meter 4.
Photovoltaic cell surface is covered using the white shadow shield 2 with slit, is left on shadow shield and interfered or diffraction fringe
The suitable slit of width, the plate surfaces of photovoltaic cell are reached so as to luminous energy.
The photovoltaic cell 1 that will have been reequiped binds together with attachable mechanical stage measurement head 3, is then attached to the support of certain altitude
On.
During experiment, interference or diffraction light are projected into the surface of shadow shield 2, slow regulation attachable mechanical stage 3, mobile photovoltaic cell.
Reaction according to photovoltaic cell to different illumination intensity, observes the screen display registration of digital electric meter, select maximum therein or
Minimum value, corresponding is to reach corresponding bright fringe or dark fringe on photovoltaic cell by slit.Obtained with attachable mechanical stage
Digital electric meter registration, be exactly to the distance between another adjacent maximum or minimum value from a maximum or minimum value
The spacing of adjacent bright fringe or dark fringe.The distance of a plurality of bright fringe or dark fringe can also be measured and then averaged.
Also Tomas Young's tow-slit experiment can be carried out using the method and obtains interference fringe spacing, so as to measure monochromatic wavelength.
Claims (2)
1. it is a kind of measure light interference and diffraction fringe spacing experiment instrument, it is characterised in that：
With monocrystalline silicon or polysilicon photovoltaic cells plate, digital electric meter or other display instruments, attachable mechanical stage, with slit
White shadow shield；
The monocrystalline silicon or polysilicon photovoltaic cells plate are connected with the digital electric meter or other display instruments with wire；
The photovoltaic cell surface is covered in the white shadow shield, by the measurement of photovoltaic cell and the attachable mechanical stage
Head binds together；
By attachable mechanical stage accurate measurement fringe spacing.
2. it is a kind of it is as claimed in claim 1 measurement light interference and diffraction fringe spacing method, it is characterised in that：
(1) by two electrode wires of monocrystalline silicon or polysilicon photovoltaic cells plate and digital electric meter or other display instruments
It is connected；
Different is reflected to strong and weak different light using photovoltaic cell, produces strong and weak different voltage Direct Digital to export in number
On word ammeter or other display instruments, it is easy to directly judge bright, dark fringe；
(2) by the white non-transparent material with the slit suitable with interference or diffraction fringe width, it is covered in photovoltaic
Battery surface；
The slit for having in non-transparent material and interfering or diffraction fringe width is suitable, the electricity of photovoltaic cell is reached so as to luminous energy
Plate surface, light and shade striped is directly perceived visible on white material, and can be optionally through the light of slit；
(3) photovoltaic cell as described in (2) is bound together with attachable mechanical stage measurement head；
(4) interference or diffraction light are projected into white non-transparent material surface, slowly adjusts attachable mechanical stage, mobile light
The screen display of volt battery, the reaction according to photovoltaic cell to different illumination intensity, observation digital electric meter or other display instruments
Registration, selects maximum therein or minimum value, and corresponding is to reach corresponding bright on photovoltaic cell by slit
Striped or dark fringe；
(5) digital electric meter registration is obtained from a maximum or minimum value to another adjacent maximum with attachable mechanical stage
The distance between or minimum value, it is exactly the spacing of adjacent bright fringe or dark fringe；
The distance of a plurality of bright fringe or dark fringe can also be measured and then averaged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610244308.XA CN106816072A (en) | 2016-04-13 | 2016-04-13 | A kind of experiment instrument and method of the interference and diffraction fringe spacing for measuring light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610244308.XA CN106816072A (en) | 2016-04-13 | 2016-04-13 | A kind of experiment instrument and method of the interference and diffraction fringe spacing for measuring light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106816072A true CN106816072A (en) | 2017-06-09 |
Family
ID=59106884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610244308.XA Pending CN106816072A (en) | 2016-04-13 | 2016-04-13 | A kind of experiment instrument and method of the interference and diffraction fringe spacing for measuring light |
Country Status (1)
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| CN (1) | CN106816072A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201576385U (en) * | 2009-02-27 | 2010-09-08 | 朱成巧 | Experimental device for light interference and diffraction |
| CN201622747U (en) * | 2010-01-09 | 2010-11-03 | 许红芬 | Interference and diffraction demonstration teaching aid of light |
| CN102037565A (en) * | 2008-05-21 | 2011-04-27 | 艾恩德霍芬理工大学 | Optical device with anisotropic luminescent material |
| CN103065533A (en) * | 2013-01-06 | 2013-04-24 | 山西省电力公司大同供电分公司 | Newton ring interference fringe counting device and counting method |
| US20150085277A1 (en) * | 2012-04-16 | 2015-03-26 | Ricard Pardell Vilella | Module integrated solar position sensing device for concentration photovoltaic devices |
| CN204990946U (en) * | 2015-07-10 | 2016-01-20 | 新余学院 | Physical experiment table |
-
2016
- 2016-04-13 CN CN201610244308.XA patent/CN106816072A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102037565A (en) * | 2008-05-21 | 2011-04-27 | 艾恩德霍芬理工大学 | Optical device with anisotropic luminescent material |
| CN201576385U (en) * | 2009-02-27 | 2010-09-08 | 朱成巧 | Experimental device for light interference and diffraction |
| CN201622747U (en) * | 2010-01-09 | 2010-11-03 | 许红芬 | Interference and diffraction demonstration teaching aid of light |
| US20150085277A1 (en) * | 2012-04-16 | 2015-03-26 | Ricard Pardell Vilella | Module integrated solar position sensing device for concentration photovoltaic devices |
| CN103065533A (en) * | 2013-01-06 | 2013-04-24 | 山西省电力公司大同供电分公司 | Newton ring interference fringe counting device and counting method |
| CN204990946U (en) * | 2015-07-10 | 2016-01-20 | 新余学院 | Physical experiment table |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Yonggen Inventor after: Huang Jiatong Inventor after: Xu Wenhua Inventor after: Liu Zhaoxin Inventor after: Zhao Zaijie Inventor after: Han Yangbing Inventor before: Liu Zhaoxin |
|
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Yonggen Inventor after: Huang Jiatong Inventor after: Xu Wenhua Inventor after: Liu Zhaoxin Inventor after: Zhao Zaijie Inventor after: Han Yangbing Inventor before: Wang Yonggen Inventor before: Huang Jiatong Inventor before: Xu Wenhua Inventor before: Liu Zhaoxin Inventor before: Zhao Zaijie Inventor before: Han Yangbing |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190510 Address after: 315032 No. 38 Science 1st Street, Ningbo High-tech Zone, Zhejiang Province Applicant after: Wang Xinqing Address before: 315400 Room 901, 19 Mingshi Garden, Lanjiang Street, Yuyao City, Zhejiang Province Applicant before: Liu Zhaoxin |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170609 |