CN208922595U - A kind of Miniature digital optical interdferometer - Google Patents
A kind of Miniature digital optical interdferometer Download PDFInfo
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- CN208922595U CN208922595U CN201821239281.6U CN201821239281U CN208922595U CN 208922595 U CN208922595 U CN 208922595U CN 201821239281 U CN201821239281 U CN 201821239281U CN 208922595 U CN208922595 U CN 208922595U
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Abstract
The utility model discloses a kind of Miniature digital optical interdferometers, including optical platform, semiconductor laser, extender lens, collimation lens, interference element and CCD camera, the side of optical platform is equipped with laser stent, semiconductor laser installing is on laser stent, position among optical platform close to laser stent side is equipped with extender lens bracket, extender lens is mounted on extender lens bracket, the centre of optical platform is equipped with collimation lens bracket, collimation lens is mounted on collimation lens bracket, the other side opposite with laser stent is equipped with CCD camera bracket on optical platform, CCD camera is installed on CCD camera bracket.The utility model 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 utility model relates to technical field of teaching instruments, specially a kind of Miniature digital optical interdferometer.
Background technique
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 to obtain wave using the additivity of wave
Phase information, so that experiment physical quantity of concern is obtained,
But existing optical interference demonstrator has the disadvantage in that
1, existing optical interference demonstrator is typically only capable to the interference phenomenon of demonstration double slit constant spacing, and phenomenon is often not
Enough accurate, 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 light biggish for double slit gap
Grid are limited interference visual field very little and unintelligible by blank, are not easy to more people's viewings.
Summary of the invention
In view of the deficiencies of the prior art, the utility model provides a kind of Miniature digital optical interdferometer, solves existing
Some technical phenomenas are not accurate enough, mobile inconvenient, and are not easy to the problem of more people watch.
To achieve the above object, the utility model provides the following technical solutions: a kind of Miniature digital optical interdferometer, packet
Include optical platform, semiconductor laser, extender lens, collimation lens, interference element and CCD camera, the side peace of optical platform
Equipped with laser stent, semiconductor laser installing is on laser stent, close to laser stent side among optical platform
Position extender lens bracket is installed, extender lens is mounted on extender lens bracket, and the centre of optical platform is equipped with standard
Straight lens carrier, collimation lens are mounted on collimation lens bracket, the other side opposite with laser stent peace on optical platform
Equipped with CCD camera bracket, CCD camera, the light between CCD camera bracket and collimation lens bracket are installed on CCD camera bracket
It learns and straight line slide unit is installed on platform, the upper end of straight line slide unit is equipped with interference element bracket, and interference element is mounted on interference member
On part bracket, optical platform upper end side is provided with processor, and processor is connect with the computer being arranged in outside optical platform.
Preferably, straight line slide unit includes slide, ball screw, slide bar, shaft coupling, stepper motor, feed screw nut and sliding
Seat, the middle position of slide are equipped with ball screw, and the two 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 bracket is mounted on sliding seat.
Preferably, the optical axis of semiconductor laser, extender lens and collimation lens is contour conllinear.
Preferably, the beam direction that straight line slide unit glide direction is issued with semiconductor laser is mutually perpendicular to.
Preferably, computer is connect with stepper motor.
Preferably, the surrounding of optical platform is equipped with enclosing.
The utility model provides a kind of Miniature digital optical interdferometer, have it is following the utility model has the advantages that
(1) the utility model is by setting straight line slide unit and CCD camera, in use, the incidence that semiconductor laser issues
Light beam is transferred on extender lens and is expanded, and then light beam is again directional light by collimation lens convergence, and directional light irradiation is dry
It relates to element and interference phenomenon occurs, information is collected by CCD camera, signal is transmitted to computer terminal, then handled by processor,
The curve of light distribution is converted by the light and shade striped on computer, is convenient for observation of students, while stepper motor, step are controlled by computer
Ball screw rotation is driven by shaft coupling into machine shaft, the feed screw nut on ball screw is by the rotational motion of ball screw
It is converted into moving along a straight line and drives interference element mobile to convert interference phenomenon by interference element bracket, which can drill
Show Tomas Young's tow-slit experiment, double prism interference experiment, Fresnel double-mirror interference experiment, DOUBLE APERTURE INTERFERENCE experiment etc. one
Serial interference phenomenon, the utility model can demonstrate a variety of different interference phenomenon and meet a variety of occasions demonstrations and student resource experiment
It is required that.
(2) the utility model is by setting extender lens, collimation lens, so that optical path is intuitive, simple, experimental phenomena is brighter
It is aobvious, facilitate observation of students, and facility compact, it is whole small and exquisite easy to remove, it is connected using CCD camera with computer and passes through computer
Interior Matlab software, which carries out processing, keeps phenomenon clear, facilitates observation of students.
Detailed description of the invention
Fig. 1 is the main view of the utility model;
Fig. 2 is the top view of the utility model.
In figure: 1, optical platform;2, semiconductor laser;3, laser stent;4, extender lens;5, extender lens branch
Frame;6, collimation lens;7, collimation lens bracket;8, interference element;9, interference element bracket;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 bracket;20, processor;21, computer;22, enclosing.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figs. 1-2, the utility model provides a kind of technical solution: a kind of Miniature digital optical interdferometer, including
Optical platform 1, semiconductor laser 2, extender lens 4, collimation lens 6, interference element 8 and CCD camera 18, optical platform 1
Side is equipped with laser stent 3, and semiconductor laser 2 is mounted on laser stent 3, close to laser among optical platform 1
The position of 3 side of device bracket is equipped with extender lens bracket 5, and extender lens 4 is mounted on extender lens bracket 5, optical platform 1
Centre collimation lens bracket 7 is installed, collimation lens 6 is mounted on collimation lens bracket 7, on optical platform 1 with laser
The opposite other side of bracket 3 is equipped with CCD camera bracket 19, and CCD camera 18, CCD camera branch are equipped on CCD camera bracket 19
Straight line slide unit 10 is installed, the upper end of straight line slide unit 10 is equipped with dry on the optical platform 1 between frame 19 and collimation lens bracket 7
Element bracket 9 is related to, interference element 8 is mounted on interference element bracket 9, and 1 upper end side of optical platform is provided with processor 20, place
Reason device 20 is connect with the computer 21 being arranged in outside optical platform 1, and straight line slide unit 10 includes slide 11, ball screw 12, slide bar
13, shaft coupling 14, stepper motor 15, feed screw nut 16 and sliding seat 17, the middle position of slide 11 are equipped with ball screw 12,
The two sides of ball screw 12 are symmetrically installed there are two slide bar 13, and one end of ball screw 12 passes through shaft coupling 14 and stepper motor 15
Shaft connection, is equipped with feed screw nut 16 on ball screw 12, is equipped with sliding seat 17 on feed screw nut 16, and the two of sliding seat 17
End is slidably connected with two slide bars 13, and interference element bracket 9 is mounted on sliding seat 17, semiconductor laser 2, extender lens 4
Contour conllinear, the beam direction phase that 10 glide direction of straight line slide unit is issued with semiconductor laser 2 with the optical axis of collimation lens 6
Mutually vertical, computer 21 is connect with stepper motor 15, and the surrounding of optical platform 1 is equipped with enclosing 22.
In use, the incident beam that semiconductor laser 2 issues is transferred on extender lens 4 and is expanded, 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, is converted light distribution for the light and shade striped on computer 21
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 interference element 8 mobile to convert interference phenomenon by interference element bracket 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 utility model passes through setting extender lens 4, collimation lens 6, straight line slide unit 10 and CCD camera 18,
It is not accurate enough to solve existing technical phenomena, it is mobile inconvenient, and it is not easy to the problem of more people watch.
It should be noted that, in this document, 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 including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of Miniature digital optical interdferometer, including optical platform (1), semiconductor laser (2), extender lens (4), standard
Straight lens (6), interference element (8) and CCD camera (18), it is characterised in that: the side of optical platform (1) is equipped with laser branch
Frame (3), semiconductor laser (2) are mounted on laser stent (3), and optical platform (1) is intermediate close to laser stent (3) one
The position of side is equipped with extender lens bracket (5), and extender lens (4) is mounted on extender lens bracket (5), optical platform (1)
Centre be equipped with collimation lens bracket (7), collimation lens (6) is mounted on collimation lens bracket (7), on optical platform (1)
The opposite other side is equipped with CCD camera bracket (19) with laser stent (3), and CCD camera bracket is equipped with CCD phase on (19)
Machine (18) is equipped with straight line slide unit (10) on the optical platform (1) between CCD camera bracket (19) and collimation lens bracket (7),
The upper end of straight line slide unit (10) is equipped with interference element bracket (9), and interference element (8) is mounted on interference element bracket (9), light
It learns platform (1) upper end side to be provided with processor (20), processor (20) computer (21) external in optical platform (1) with setting
Connection.
2. a kind of Miniature digital optical interdferometer according to claim 1, it is characterised in that: straight line slide unit (10) includes
Slide (11), ball screw (12), slide bar (13), shaft coupling (14), stepper motor (15), feed screw nut (16) and sliding seat
(17), the middle position of slide (11) is equipped with ball screw (12), and the two sides of ball screw (12) are symmetrically installed that there are two sliding
One end of bar (13), ball screw (12) is connect by shaft coupling (14) with stepper motor (15) shaft, on ball screw (12)
It is equipped with feed screw nut (16), is equipped on feed screw nut (16) sliding seat (17), the both ends of sliding seat (17) and two slide bars
(13) it is slidably connected, interference element bracket (9) is mounted on sliding seat (17).
3. a kind of Miniature digital optical interdferometer according to claim 1, it is characterised in that: semiconductor laser (2),
The optical axis of extender lens (4) and collimation lens (6) 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
The beam direction that direction is issued with semiconductor laser (2) is mutually perpendicular to.
5. a kind of Miniature digital optical interdferometer according to claim 1, it is characterised in that: computer (21) and stepping electricity
Machine (15) connection.
6. a kind of Miniature digital optical interdferometer according to claim 1, it is characterised in that: the four of optical platform (1)
Enclosing (22) are installed in week.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821239281.6U CN208922595U (en) | 2018-08-02 | 2018-08-02 | A kind of Miniature digital optical interdferometer |
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CN201821239281.6U CN208922595U (en) | 2018-08-02 | 2018-08-02 | A kind of Miniature digital optical interdferometer |
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CN208922595U true CN208922595U (en) | 2019-05-31 |
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CN201821239281.6U Expired - Fee Related CN208922595U (en) | 2018-08-02 | 2018-08-02 | A kind of Miniature digital optical interdferometer |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108766160A (en) * | 2018-08-02 | 2018-11-06 | 河南师范大学 | A kind of Miniature digital optical interdferometer |
-
2018
- 2018-08-02 CN CN201821239281.6U patent/CN208922595U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108766160A (en) * | 2018-08-02 | 2018-11-06 | 河南师范大学 | A kind of Miniature digital optical interdferometer |
CN108766160B (en) * | 2018-08-02 | 2023-12-19 | 河南师范大学 | Small digital optical interferometer |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190531 Termination date: 20200802 |
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CF01 | Termination of patent right due to non-payment of annual fee |