CN108766160A - A kind of Miniature digital optical interdferometer - Google Patents
A kind of Miniature digital optical interdferometer Download PDFInfo
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- CN108766160A CN108766160A CN201810872543.0A CN201810872543A CN108766160A CN 108766160 A CN108766160 A CN 108766160A CN 201810872543 A CN201810872543 A CN 201810872543A CN 108766160 A CN108766160 A CN 108766160A
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- ccd camera
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- collimation lens
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- 230000003287 optical effect Effects 0.000 title claims abstract description 49
- 239000004606 Fillers/Extenders Substances 0.000 claims abstract description 25
- 239000004065 semiconductor Substances 0.000 claims abstract description 17
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims 1
- 238000002474 experimental method Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
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- Mathematical Physics (AREA)
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- Business, Economics & Management (AREA)
- Optics & Photonics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a kind of Miniature digital optical interdferometers, including optical table, semiconductor laser, extender lens, collimation lens, interference element and CCD camera, the side of optical table is equipped with laser stent, semiconductor laser installing is on laser stent, position among optical table close to laser stent side is equipped with extender lens holder, extender lens is mounted on extender lens holder, the centre of optical table is equipped with collimation lens holder, collimation lens is mounted on collimation lens holder, the other side opposite with laser stent is equipped with CCD camera holder on optical table, CCD camera is installed on CCD camera holder.The present invention can demonstrate the requirement that a variety of different interference phenomenon meet a variety of occasion demonstrations and student resource experiment, and experimental phenomena becomes apparent from, and facilitate observation of students, and facility compact, whole small and exquisite easy to remove.
Description
Technical field
The present invention relates to technical field of teaching instruments, specially a kind of Miniature digital optical interdferometer.
Background technology
In recent years, with the continuous development of Chinese society economy, people more pay attention to education and instruction, in order to cultivate
The manipulative ability of student, is best understood from the content acquired convenient for student, teacher generally all can by tested jointly with student into
Row teaching, interferometer are the general names of very extensive a kind of experimental technique, and thought is the additivity using wave to obtain wave
Phase information, to obtain experiment physical quantity of concern,
But existing optical interference demonstrator has the following disadvantages：
1, existing optical interference demonstrator is typically only capable to the interference phenomenon of demonstration double slit constant spacing, and phenomenon is often not accurate enough
Really, not perfect, the volume of instrument is larger, is only suitable for demonstrating in fixed demonstration place, such as demonstration laboratories.
2, existing optical interference demonstrator laser beam is without expanding, collimate, therefore for the larger light in double slit gap
Grid are limited interference visual field very little and unintelligible by blank, are not easy to more people's viewings.
Invention content
In view of the deficiencies of the prior art, it the present invention provides a kind of Miniature digital optical interdferometer, solves existing
Technical phenomena is not accurate enough, mobile inconvenient, and is not easy to the problem of more people watch.
To achieve the above object, the present invention provides the following technical solutions：A kind of Miniature digital optical interdferometer, including light
Platform, semiconductor laser, extender lens, collimation lens, interference element and CCD camera, the side of optical table is learned to be equipped with
Laser stent, semiconductor laser installing is on laser stent, close to the position of laser stent side among optical table
It sets and extender lens holder is installed, extender lens is mounted on extender lens holder, and the centre of optical table is equipped with collimation thoroughly
Mirror support, collimation lens are mounted on collimation lens holder, and the other side opposite with laser stent is equipped on optical table
CCD camera holder is equipped with CCD camera on CCD camera holder, and the optics between CCD camera holder and collimation lens holder is flat
Straight line slide unit is installed, the upper end of straight line slide unit is equipped with interference element holder, and interference element is mounted on interference element branch on platform
On frame, optical table upper end side is provided with processor, and processor is connect with the computer being arranged outside optical table.
Preferably, straight line slide unit includes slide, ball screw, slide bar, shaft coupling, stepper motor, feed screw nut and sliding
Seat, the centre position of slide are equipped with ball screw, and the both sides of ball screw are symmetrically installed there are two slide bar, and the one of ball screw
End is connect by shaft coupling with stepping motor rotating shaft, and feed screw nut is equipped on ball screw, sliding is equipped on feed screw nut
Seat, the both ends of sliding seat are connect with two sliding bars, and interference element holder is mounted on sliding seat.
Preferably, the optical axis of semiconductor laser, extender lens and collimation lens is contour conllinear.
Preferably, straight line slide unit glide direction is mutually perpendicular to the beam direction that semiconductor laser is sent out.
Preferably, computer is connect with stepper motor.
Preferably, the surrounding of optical table is equipped with enclosing.
The present invention provides a kind of Miniature digital optical interdferometers, have following advantageous effect：
（1）The present invention is by being arranged straight line slide unit and CCD camera, in use, the incident beam that semiconductor laser is sent out transmits
It is expanded on to extender lens, then light beam is again directional light by collimation lens convergence, and directional light irradiation interference element goes out
Existing interference phenomenon collects information by CCD camera and signal is transmitted to computer terminal, then handled by processor, will be on computer
Light and shade striped be converted into the curve of light distribution, be convenient for observation of students, while pass through computer control stepper motor, stepper motor turn
Axis drives ball screw rotation, the feed screw nut on ball screw to be converted into the rotational motion of ball screw directly by shaft coupling
Line moves through interference element holder and drives interference element movement to convert interference phenomenon, and it is double which can demonstrate Young
Stitch a series of interference such as interference experiment, double prism interference experiment, Fresnel double-mirror interference experiment, DOUBLE APERTURE INTERFERENCE experiment
Phenomenon, the present invention can demonstrate the requirement that a variety of different interference phenomenon meet a variety of occasion demonstrations and student resource experiment.
（2）The present invention is by being arranged extender lens, collimation lens so that and light path is intuitive, simple, experimental phenomena becomes apparent from,
Facilitate observation of students, and facility compact, it is whole small and exquisite easy to remove, it is connected with computer using CCD camera and by computer
Matlab softwares carry out processing keep phenomenon clear, facilitate observation of students.
Description of the drawings
Fig. 1 is the front view of the present invention；
Fig. 2 is the vertical view of the present invention.
In figure：1, optical table；2, semiconductor laser；3, laser stent；4, extender lens；5, extender lens branch
Frame；6, collimation lens；7, collimation lens holder；8, interference element；9, interference element holder；10, straight line slide unit；11, slide；
12, ball screw；13, slide bar；14, shaft coupling；15, stepper motor；16, feed screw nut；17, sliding seat；18, CCD camera；
19, CCD camera holder；20, processor；21, computer；22, enclosing.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figs. 1-2, the present invention provides a kind of technical solution：A kind of Miniature digital optical interdferometer, including optics
Platform 1, semiconductor laser 2, extender lens 4, collimation lens 6, interference element 8 and CCD camera 18, the side of optical table 1
Laser stent 3 is installed, semiconductor laser 2 is mounted on laser stent 3, close to laser branch among optical table 1
The position of 3 side of frame is equipped with extender lens holder 5, and extender lens 4 is mounted on extender lens holder 5, in optical table 1
Between collimation lens holder 7 is installed, collimation lens 6 is mounted on collimation lens holder 7, on optical table 1 with laser stent 3
The opposite other side is equipped with CCD camera holder 19, and CCD camera 18, CCD camera holder 19 are equipped on CCD camera holder 19
Straight line slide unit 10 is installed, the upper end of straight line slide unit 10 is equipped with interference member on the optical table 1 between collimation lens holder 7
Part holder 9, interference element 8 are mounted on interference element holder 9, and 1 upper end side of optical table is provided with processor 20, processor
20 connect with the computer 21 being arranged outside optical table 1, and straight line slide unit 10 includes slide 11, ball screw 12, slide bar 13, connection
The centre position of axis device 14, stepper motor 15, feed screw nut 16 and sliding seat 17, slide 11 is equipped with ball screw 12, ball
The both sides of lead screw 12 are symmetrically installed there are two slide bar 13, and one end of ball screw 12 passes through shaft coupling 14 and 15 shaft of stepper motor
Connection is equipped with feed screw nut 16 on ball screw 12, is equipped with sliding seat 17 on feed screw nut 16, the both ends of sliding seat 17 with
Two slide bars 13 are slidably connected, and interference element holder 9 is mounted on sliding seat 17, semiconductor laser 2, extender lens 4 and standard
The optical axis of straight lens 6 is contour conllinear, and the beam direction that 10 glide direction of straight line slide unit is sent out with semiconductor laser 2 is mutually hung down
Directly, computer 21 is connect with stepper motor 15, and the surrounding of optical table 1 is equipped with enclosing 22.
It is expanded in use, the incident beam that semiconductor laser 2 is sent out is transferred on extender lens 4, then light beam
It is again directional light by the convergence of collimation lens 6, directional light irradiation interference element 8 interference phenomenon occurs, collected by CCD camera 18
Signal is transmitted to computer 21 by information, is then handled by processor 20, converts the light and shade striped on computer 21 to light distribution
Curve is convenient for observation of students, while controlling stepper motor 15 by computer 21, and 15 shaft of stepper motor is driven by shaft coupling 14
Ball screw 12 rotates, and the rotational motion of ball screw 12 is converted into linear motion simultaneously by the feed screw nut 16 on ball screw 12
Drive the movement of interference element 8 to convert interference phenomenon by interference element holder 9, which can demonstrate Young's double-slot interference
A series of interference phenomenon such as experiment, the experiment of double prism interference experiment, Fresnel double-mirror interference experiment, DOUBLE APERTURE INTERFERENCE.
It can to sum up obtain, the present invention is solved by the way that extender lens 4, collimation lens 6, straight line slide unit 10 and CCD camera 18 is arranged
Existing technical phenomena is not accurate enough, mobile inconvenient, and the problem of be not easy to more people's viewings.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of Miniature digital optical interdferometer, including optical table（1）, semiconductor laser（2）, extender lens（4）, it is accurate
Straight lens（6）, interference element（8）And CCD camera（18）, it is characterised in that：Optical table（1）Side laser branch is installed
Frame（3）, semiconductor laser（2）Mounted on laser stent（3）On, optical table（1）Intermediate close laser stent（3）One
The position of side is equipped with extender lens holder（5）, extender lens（4）Mounted on extender lens holder（5）On, optical table（1）
Centre collimation lens holder is installed（7）, collimation lens（6）Mounted on collimation lens holder（7）On, optical table（1）On
With laser stent（3）The opposite other side is equipped with CCD camera holder（19）, CCD camera holder（19）On CCD phases are installed
Machine（18）, CCD camera holder（19）With collimation lens holder（7）Between optical table（1）On straight line slide unit is installed（10）,
Straight line slide unit（10）Upper end interference element holder is installed（9）, interference element（8）Mounted on interference element holder（9）On, light
Learn platform（1）Upper end side is provided with processor（20）, processor（20）With setting in optical table（1）External computer（21）
Connection.
2. a kind of Miniature digital optical interdferometer according to claim 1, it is characterised in that：Straight line slide unit（10）Including
Slide（11）, ball screw（12）, slide bar（13）, shaft coupling（14）, stepper motor（15）, feed screw nut（16）And sliding seat
（17）, slide（11）Centre position ball screw is installed（12）, ball screw（12）Both sides be symmetrically installed that there are two sliding
Bar（13）, ball screw（12）One end pass through shaft coupling（14）With stepper motor（15）Shaft connects, ball screw（12）On
Feed screw nut is installed（16）, feed screw nut（16）On sliding seat is installed（17）, sliding seat（17）Both ends and two slide bars
（13）It is slidably connected, interference element holder（9）Mounted on sliding seat（17）On.
3. a kind of Miniature digital optical interdferometer according to claim 1, it is characterised in that：Semiconductor laser（2）,
Extender lens（4）And collimation lens（6）Optical axis it is contour conllinear.
4. a kind of Miniature digital optical interdferometer according to claim 1, it is characterised in that：Straight line slide unit（10）Sliding
Direction and semiconductor laser（2）The beam direction sent out is mutually perpendicular to.
5. a kind of Miniature digital optical interdferometer according to claim 1, it is characterised in that：Computer（21）With stepping electricity
Machine（15）Connection.
6. a kind of Miniature digital optical interdferometer according to claim 1, it is characterised in that：Optical table（1）Four
Week is equipped with enclosing（22）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810872543.0A CN108766160B (en) | 2018-08-02 | 2018-08-02 | Small digital optical interferometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810872543.0A CN108766160B (en) | 2018-08-02 | 2018-08-02 | Small digital optical interferometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108766160A true CN108766160A (en) | 2018-11-06 |
| CN108766160B CN108766160B (en) | 2023-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810872543.0A Active CN108766160B (en) | 2018-08-02 | 2018-08-02 | Small digital optical interferometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108766160B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110580846A (en) * | 2019-10-11 | 2019-12-17 | 泉州台商投资区中栓机械技术有限公司 | High school physics convex lens imaging teaching method |
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| CN2629150Y (en) * | 2003-06-25 | 2004-07-28 | 天津师范大学 | Conjointed reflective mirror set interference instrument with laser pen as light source |
| CN201274115Y (en) * | 2008-10-16 | 2009-07-15 | 昆明理工大学 | Small multifunctional optical diffraction demonstration instrument |
| CN204117460U (en) * | 2014-01-20 | 2015-01-21 | 上海瑞立柯信息技术有限公司 | A kind of digital photoelectric experimental provision |
| CN205028554U (en) * | 2015-10-09 | 2016-02-10 | 中国人民解放军理工大学 | Multi -functional polarization imaging experiment teaching aid |
| CN208922595U (en) * | 2018-08-02 | 2019-05-31 | 河南师范大学 | A kind of Miniature digital optical interdferometer |
-
2018
- 2018-08-02 CN CN201810872543.0A patent/CN108766160B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2629150Y (en) * | 2003-06-25 | 2004-07-28 | 天津师范大学 | Conjointed reflective mirror set interference instrument with laser pen as light source |
| CN201274115Y (en) * | 2008-10-16 | 2009-07-15 | 昆明理工大学 | Small multifunctional optical diffraction demonstration instrument |
| CN204117460U (en) * | 2014-01-20 | 2015-01-21 | 上海瑞立柯信息技术有限公司 | A kind of digital photoelectric experimental provision |
| CN205028554U (en) * | 2015-10-09 | 2016-02-10 | 中国人民解放军理工大学 | Multi -functional polarization imaging experiment teaching aid |
| CN208922595U (en) * | 2018-08-02 | 2019-05-31 | 河南师范大学 | A kind of Miniature digital optical interdferometer |
Non-Patent Citations (2)
| Title |
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| 曾克夫;: "移动式激光光反射折射透镜成像演示组合装置", 电子世界, no. 10 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110580846A (en) * | 2019-10-11 | 2019-12-17 | 泉州台商投资区中栓机械技术有限公司 | High school physics convex lens imaging teaching method |
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| Publication number | Publication date |
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| CN108766160B (en) | 2023-12-19 |
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