CN208889151U - A kind of Michelson's interferometer - Google Patents
A kind of Michelson's interferometer Download PDFInfo
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- CN208889151U CN208889151U CN201820062036.6U CN201820062036U CN208889151U CN 208889151 U CN208889151 U CN 208889151U CN 201820062036 U CN201820062036 U CN 201820062036U CN 208889151 U CN208889151 U CN 208889151U
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- spring
- splitter
- fixedly connected
- fixed link
- support
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Abstract
A kind of Michelson's interferometer, including light source, the first plane mirror, second plane mirror, light-dividing device, the bayonet unit observing screen device, being set on the light-dividing device, first plane mirror is arranged in a mutually vertical manner with the second plane mirror.The utility model is by the way that beam-splitter and compensating plate to be clamped together, so as to parallel between stable guarantee beam-splitter and compensating plate, and then it can guarantee the accuracy of experimental result, it can guarantee 45 degree of angles between beam-splitter and film viewing screen simultaneously, the accuracy for guaranteeing interference, facilitates experimenter to observe.
Description
Technical field
The utility model relates to Optical interference techniques fields, more particularly, to a kind of Michelson's interferometer.
Background technique
Michael's interferometer includes two pieces and is mutually perpendicular to the plane mirror placed, two pieces of beam-splitters disposed in parallel and mends
Plate and film viewing screen are repaid, respectively with two pieces of plane mirrors at 45 degree of angles, beam-splitter is used for incident light for beam-splitter, compensating plate
It is divided into two beams two pieces of plane mirrors of directive and generation interference of meeting at film viewing screen after plane mirror reflects respectively, compensation
Plate plays a part of to compensate optical path light path, makes equivalent optical path of the two beam coherent lights in glass medium.In the device, beam-splitter and benefit
Repaying plate is the glass plate that two pieces of various regions are independently arranged, and in experiment, it is uneven that both the small loosening of beam-splitter and compensation all can lead to
Row causes optical path offset, interference fringe torsional deformation etc. bad as a result, to influence the progress of experiment.In existing Michael
Inferior interferometer be difficult when in use it is stable guarantee parallel between beam-splitter and compensating plate, adjust cumbersome, influence the suitable of experiment
Benefit carries out and the accuracy of experimental result.
Therefore, it is necessary to provide the new technical solution of one kind to overcome drawbacks described above.
Utility model content
The purpose of this utility model is to provide the Michelson's interferometers that one kind can effectively solve above-mentioned technical problem.
For the purpose for reaching the utility model, adopt the following technical scheme that
A kind of Michelson's interferometer, including light source, the first plane mirror, second plane mirror, light-dividing device, sight
The bayonet unit examining screen device, being set on the light-dividing device, first plane mirror and second plane reflection
Mirror is arranged in a mutually vertical manner, and the light-dividing device is between the light source and the second plane mirror, the light-dividing device
Between first plane mirror and the observation screen device, the light-dividing device includes beam-splitter, compensating plate, setting
Semi-transparent semi-reflecting film between the reflector and the compensating plate, the observation screen device include film viewing screen, be set to it is described
Locating rack on film viewing screen, the first spring being set in the locating rack, the first fixed link above the locating rack,
The first support being set in first fixed link, the first buckle frame being set in the first support, the buckle dress
It sets including the second fixed link, the second support being set in second fixed link, the positioning being set in the second support
Bar is set to abutting against block, the third fixed link on the right side of the locating rod, being set to the third for the locating rod upper end
Second spring in fixed link, the third spring being set in the second support, abutting against below the third spring
Plate, the beam-splitter and first plane mirror and second plane mirror degree of being in, the semi-transparent semi-reflecting film with it is described
Beam-splitter is fixedly connected, and the compensating plate acts against in the semi-transparent semi-reflecting film.
The film viewing screen is in cuboid, and the locating rack is in concave shape, and the left end of the film viewing screen is contained in the positioning
In frame and the inner surface sliding contact with the locating rack.
The right end of first spring is fixedly connected with the left end of the film viewing screen, the left end of first spring with it is described
The inner surface of locating rack is fixedly connected, and the lower end of first fixed link is fixedly connected with the locating rack, the first support
Lower end be fixedly connected with the side of first fixed link, the upper end of the first support and the first buckle frame is fixed connects
It connects.
The first buckle frame is in concave shape, and the lower end of the beam-splitter and compensating plate is contained in the first buckle frame
Interior, the first buckle frame buckles the lower end of the beam-splitter and compensating plate.
The lower end of second fixed link acts against on the left surface of the beam-splitter, the upper end of the second support and institute
The second fixed link is stated to be fixedly connected, the locating rod through the second support left and right surface and with its sliding contact.
The right end for abutting against block is fixedly connected with the left end of the locating rod, and the left end for abutting against block acts against described
On the right surface of compensating plate, the right end of the locating rod is fixedly connected with the third fixed link.
The second spring is equipped with several, and one end of the second spring is fixedly connected with the third fixed link, institute
The other end for stating second spring is fixedly connected with the second support, and the third spring is equipped with several, the third spring
Upper end be fixedly connected with the second support, the lower end of the third spring is fixedly connected with the plate that abuts against, described to abut against
Plate acts against the upper end of the beam-splitter and compensating plate.
Compared with prior art, the utility model has the following beneficial effects: the utility model Michelson's interferometer is logical
It crosses and beam-splitter and compensating plate is clamped together, so as to parallel between stable guarantee beam-splitter and compensating plate, in turn
It can guarantee the accuracy of experimental result, while can guarantee 45 degree of angles between beam-splitter and film viewing screen, guarantee the standard of interference
True property, facilitates experimenter to observe.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model Michelson's interferometer.
Specific embodiment
Clear and complete explanation is made to the utility model Michelson's interferometer below in conjunction with attached drawing.
As shown in Figure 1, the utility model Michelson's interferometer includes light source 1, the first plane mirror 2, the second plane
Reflecting mirror 3, light-dividing device 4, the bayonet unit 6 observation screen device 5, be set on the light-dividing device 4.
As shown in Figure 1, the light source 1 can shine towards the light-dividing device 4, the light source 1 can for laser or
Other devices that can be shone.First plane mirror 2 is arranged in a mutually vertical manner with the second plane mirror 3, described
Light source 1 shines towards the second plane mirror 3.
As shown in Figure 1, the light-dividing device 4 is between the light source 1 and the second plane mirror 3, described point
Electro-optical device 4 is between first plane mirror 2 and the observation screen device 5, and the light-dividing device 4 includes beam-splitter
41, compensating plate 42, the semi-transparent semi-reflecting film (not shown) being set between the reflector 21 and the compensating plate 22.The light splitting
Plate 41 and first plane mirror 2 and second plane mirror 3 are in 45 degree, the semi-transparent semi-reflecting film and the beam-splitter
41 are fixedly connected, and the compensating plate 42 acts against in the semi-transparent semi-reflecting film, thereby may be ensured that beam-splitter 41 and the compensation
Plate 42 is parallel to each other.
As shown in Figure 1, it is described observation screen device 5 include film viewing screen 51, be set on the film viewing screen 51 locating rack 52,
The first spring 53 being set in the locating rack 52, is set to institute at the first fixed link 54 above the locating rack 52
The the first buckle frame 56 stating the first support 55 in the first fixed link 54, being set in the first support 55.The film viewing screen
51 be in cuboid, and the light of the compensated reflection of plate 42 and refraction can be irradiated on the film viewing screen 51.The locating rack 52 is in recessed
Font, the left end of the film viewing screen 51 is contained in the locating rack 52 and the inner surface sliding contact with the locating rack 52,
Allow the film viewing screen 51 is stable to move left and right, to guarantee that the illumination after the compensated reflection of plate 42 and refraction is mapped to sight
It examines on screen 51.The right end of first spring 53 is fixedly connected with the left end of the film viewing screen 51, a left side for first spring 53
End is fixedly connected with the inner surface of the locating rack 52.First fixed link 54 is in cuboid, first fixed link 54
Lower end is fixedly connected with the locating rack 52.The fixed company in the lower end of the first support 55 and the side of first fixed link 54
It connects, the upper end of the first support 55 is fixedly connected with the first buckle frame 56.The first buckle frame 56 is oblique, institute
The first buckle frame 56 is stated in concave shape, the lower end of the beam-splitter 41 and compensating plate 42 is contained in the first buckle frame 56,
The first buckle frame 56 buckles the lower end of the beam-splitter 41 and compensating plate 42, to play to beam-splitter 41 and compensating plate 42
Supporting role.
As shown in Figure 1, the bayonet unit 6 include the second fixed link 61, be set in second fixed link 61 the
Two brackets 62, the locating rod 63 being set in the second support 62, be set to 63 upper end of locating rod abut against block 64, position
In 63 right side of the locating rod third fixed link 65, be set in the third fixed link 65 second spring 66, be set to
Third spring 67 in the second support 62 abuts against plate 68 positioned at 67 lower section of third spring.Second fixed link
61 be in cuboid, and the lower end of second fixed link 61 acts against on the left surface of the beam-splitter 41.The second support 62
Upper end be fixedly connected with second fixed link 61, the lower end of the second support 62 is parallel to each other with the compensating plate 42.
The locating rod 63 be in cuboid, the locating rod 63 through the second support 62 left and right surface and with its sliding contact,
Allow the locating rod 63 is stable to move left and right.The right end for abutting against block 64 and the left end of the locating rod 63 are fixed
Connection, the left end for abutting against block 64 acts against on the right surface of the compensating plate 42, so as to by beam-splitter 41 with it is described
Compensating plate 42 is firm to be clamped.The third fixed link 65 is in cuboid, and the right end of the locating rod 63 and the third are solid
Fixed pole 65 is fixedly connected.The second spring 66 is equipped with several, one end of the second spring 66 and the third fixed link
65 are fixedly connected, and the other end of the second spring 66 is fixedly connected with the second support 62, and the second spring 66 is in
Tensional state, the second spring 66 pull the third fixed link 65, so that the block 64 that abuts against tightly acts against compensating plate
On 42.The third spring 67 is equipped with several, and the upper end of the third spring 67 is fixedly connected with the second support 62, institute
The lower end for stating third spring 67 is fixedly connected with the plate 68 that abuts against.The plate 68 that abuts against is described to abut against the top of plate 68 in cuboid
The upper end of the beam-splitter 41 and compensating plate 42 is leaned against, the third spring 67 is in compressive state, so that described abut against plate 68
It tightly acts against on beam-splitter 41 and compensating plate 42.
As shown in Figure 1, the utility model Michelson's interferometer is in use, light source 1 shines to the right first, then
Light and beam-splitter 41 are irradiated on the beam-splitter 41 in 45 degree of angles, then the light of half being reflected towards by beam-splitter 41
First plane mirror 2 shines out, the other half light is after beam-splitter 41, compensating plate 42 reflect to dextrad second
Plane mirror 3 shines out, and the light irradiated towards the first plane mirror 2 is after the reflection of the first plane mirror 2 and divides
Tabula rasa 41 is irradiated on the beam-splitter 41 in 45 degree of angles, is then irradiated to after beam-splitter 41 and compensating plate 42 reflect described
On film viewing screen 51, while being irradiated to compensating plate 42 in 45 degree of angles after the light reflection being irradiated in the second plane mirror 3
On the compensating plate 42, then it is irradiated on the film viewing screen 51 downward after the reflection of compensating plate 42, so as to do
It relates to.Experimenter can be moved to the left film viewing screen 51 or the film viewing screen 51 that moves right, so that the light of interference can be irradiated to
On light film viewing screen 51, timely to observe the result of interference.So far, the utility model Michelson's interferometer use process is retouched
It states and finishes.
Claims (7)
1. a kind of Michelson's interferometer, including light source, the first plane mirror, second plane mirror, light-dividing device, observation
Screen device, the bayonet unit being set on the light-dividing device, first plane mirror and the second plane mirror
It is arranged in a mutually vertical manner, it is characterised in that: the light-dividing device is between the light source and the second plane mirror, described
Light-dividing device is between first plane mirror and the observation screen device, and the light-dividing device includes beam-splitter, mends
The semi-transparent semi-reflecting film repaying plate, being set between the beam-splitter and the compensating plate, the observation screen device include film viewing screen, set
The locating rack that is placed on the film viewing screen, the first spring being set in the locating rack, above the locating rack
One fixed link, the first support being set in first fixed link, the first buckle frame being set in the first support, institute
Bayonet unit is stated to include the second fixed link, the second support being set in second fixed link, be set to the second support
On locating rod, be set to abutting against block, the third fixed link on the right side of the locating rod, being set to for the locating rod upper end
Second spring in the third fixed link, is located under the third spring third spring being set in the second support
Side abuts against plate, the beam-splitter and first plane mirror and second plane mirror degree of being in, described semi-transparent semi-reflecting
Film is fixedly connected with the beam-splitter, and the compensating plate acts against in the semi-transparent semi-reflecting film.
2. Michelson's interferometer as described in claim 1, it is characterised in that: the film viewing screen is in cuboid, the positioning
Frame is in concave shape, and the left end of the film viewing screen is contained in the locating rack and the inner surface sliding contact with the locating rack.
3. Michelson's interferometer as claimed in claim 2, it is characterised in that: the right end of first spring and the observation
The left end of screen is fixedly connected, and the left end of first spring is fixedly connected with the inner surface of the locating rack, and described first is fixed
The lower end of bar is fixedly connected with the locating rack, and the side of the lower end of the first support and first fixed link is fixed to be connected
It connects, the upper end of the first support is fixedly connected with the first buckle frame.
4. Michelson's interferometer as claimed in claim 3, it is characterised in that: the first buckle frame is in concave shape, described
The lower end of beam-splitter and compensating plate is contained in the first buckle frame, and the first buckle frame buckles the beam-splitter and compensation
The lower end of plate.
5. Michelson's interferometer as claimed in claim 4, it is characterised in that: the lower end of second fixed link acts against institute
It states on the left surface of beam-splitter, the upper end of the second support is fixedly connected with second fixed link, and the locating rod runs through
The left and right surface of the second support and with its sliding contact.
6. Michelson's interferometer as claimed in claim 5, it is characterised in that: the right end for abutting against block and the locating rod
Left end be fixedly connected, the left end for abutting against block acts against on the right surface of the compensating plate, the right end of the locating rod with
The third fixed link is fixedly connected.
7. Michelson's interferometer as claimed in claim 6, it is characterised in that: the second spring is equipped with several, described
One end of second spring is fixedly connected with the third fixed link, and the other end of the second spring is fixed with the second support
Connection, the third spring are equipped with several, and the upper end of the third spring is fixedly connected with the second support, the third
The lower end of spring is fixedly connected with the plate that abuts against, the upper end for abutting against plate and acting against the beam-splitter and compensating plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820062036.6U CN208889151U (en) | 2018-01-15 | 2018-01-15 | A kind of Michelson's interferometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820062036.6U CN208889151U (en) | 2018-01-15 | 2018-01-15 | A kind of Michelson's interferometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208889151U true CN208889151U (en) | 2019-05-21 |
Family
ID=66491794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820062036.6U Expired - Fee Related CN208889151U (en) | 2018-01-15 | 2018-01-15 | A kind of Michelson's interferometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208889151U (en) |
-
2018
- 2018-01-15 CN CN201820062036.6U patent/CN208889151U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190521 Termination date: 20200115 |
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| CF01 | Termination of patent right due to non-payment of annual fee |