CN200990163Y - Michaelson interferometer incident light guider - Google Patents
Michaelson interferometer incident light guider Download PDFInfo
- Publication number
- CN200990163Y CN200990163Y CN 200620033084 CN200620033084U CN200990163Y CN 200990163 Y CN200990163 Y CN 200990163Y CN 200620033084 CN200620033084 CN 200620033084 CN 200620033084 U CN200620033084 U CN 200620033084U CN 200990163 Y CN200990163 Y CN 200990163Y
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- CN
- China
- Prior art keywords
- incident light
- rotor plate
- michelson interferometer
- incoming light
- reflective mirror
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- Instruments For Measurement Of Length By Optical Means (AREA)
Abstract
The utility model relates to a Michelson interferometer incoming light guiding device, which is essentially composed of a reflector, a rotor plate, a locating sleeve, a locating pole and a connecting pole, and is arranged at the outside of the incoming light (including the expanded incoming light) path which is on the left side of the Michelson interferometer. When the rotor plate of the incoming light guiding device is positioned on the horizontal position, the reflector is arranged in the incoming ray path and faces against the central region of a spectroscope face; the mirror face normal of the reflector and the mirror face normal of the spectroscope forms a 45 degrees angle; when in use, the superposition of the reflected light which is reflected from the reflector face and the incoming light indicates that the incoming light and the mirror face normal of the spectroscope have formed a 45 degrees angle and the incoming light can shine to the central region of the spectroscope; changing the rotor plate into vertical state not shade the incoming light and interfere the subsequent Michelson interferometer experiment.
Description
Affiliated technical field:
The utility model belongs to optical interference experiment field.
Background technology:
Michelson interferometer is a kind of deft design, a purposes optical interdferometer very widely, and many fine measuring instruments are based on all that it designs and develops.Experiments such as the optics equal inclination interference of offering with Michelson interferometer, equal thickness interference, it is the experiment that all multidisciplinary university students of colleges and universities must do, this requirement of experiment incident light becomes 45 degree incident angles with instrument beam split minute surface normal, the deviation of incident angle too conference brings difficulty for the adjusting of interference fringe afterwards.Present way is that the operator determines this angle with the method for range estimation, for experienced operator, the tolerable still of the deviation of incident angle, and particularly just lacked the university student of Physical Experiment experience originally for first operator, the deviation of range estimation incident angle is often very big, and this has just greatly influenced the carrying out of this experiment.
Summary of the invention:
The too big problem of deviation occurs for solving incident angle, the utility model provides a kind of Michelson interferometer incident light pilot.Utilize this guide piece, can make experimenter's (comprise and have no operating experience person) easily incident angle is adjusted to 45 degree (being that incident light becomes 45 degree with beam split minute surface normal).
The too big technical scheme of incident angle deviation that the utility model solves incident light is: described Michelson interferometer incident light pilot mainly is made up of reflective mirror, rotor plate, orienting cover, backstay and connecting link etc., is installed in outside the Michelson interferometer left side input path (comprising the incident light that expands after restrainting).When rotor plate forwarded horizontal level in the described guide piece, reflective mirror entered in the input path in spectroscope left side and over against spectroscopical central area, and its minute surface normal becomes 45 to spend with beam split minute surface normal angle.When regulating the incident angle of incident light, as long as observing the reflected light that reflects from described reflective mirror overlaps with incident light, just show that incident light and spectroscope minute surface normal have become 45 degree incident angles, turn to vertical state just can not block the Michelson interference experiment of incident light interfere with subsequent described rotor plate.
The beneficial effects of the utility model are that the incident light that can regulate Michelson interferometer easily becomes 45 degree incident angles with beam split minute surface normal.This can improve the efficient of experiment greatly,
Description of drawings
Fig. 1 is the theory structure synoptic diagram of the utility model Michelson interferometer incident light pilot
1 screw among the figure, 2 locating sleeves, 3 plain washers, 4 spring washers,
5 screws, 6 springs, 7 backstays, 8 positioning pits (two),
9 rotor plates, 10 rubber cushions (two), 11 reflective mirrors, 12 reflective mirror holes
13 screws, 14 connecting links.
Specific embodiments
In Fig. 1, reflective mirror (11) is embedded in the rotor plate (9), fixing by rubber cushion (10) and screw (13), reflective mirror hole (12) diameter on the rotor plate (9) is the 6-8 millimeter, rotor plate (9) is connected locating sleeve (2) upper end and can rotates around screw (5), locating sleeve (2) turns or lifting on being enclosed within connecting link (14), and fixing by screw (1), and connecting link (14) is fixed on outside the Michelson interferometer left side input path (comprising the incident light that expands after restrainting).During the described incident light guide piece of Installation and Debugging, forward rotor plate (9) to horizontal level, backstay (7) determines the position of rotor plate in the hole of insertion positioning pit (8) under the pressure of spring (6) automatically, unclamp screw (1), rotation or lifting locating sleeve (2) make the central area of reflective mirror over against the beam split minute surface, make the reflective mirror normal become 45 degree with beam split minute surface normal simultaneously, tighten screw (1), described incident light installation of guiding device debugging just is through with.During experiment, light incident light source (as laser instrument), allow incident illumination be mapped on the minute surface of reflective mirror (1 1) earlier, allow reflected light overlap again with incident light, so just finished the guiding work of incident light easily, shown that promptly incident light and spectroscope minute surface normal have become 45 degree incident angles and can shine spectroscopical central area.Forward rotor plate (9) to vertical state at last, backstay (7) inserts in the positioning pit (8), and whole incident light guide piece is in off working state, and its position is as the criterion with the incident light (comprising the incident light that expands after restrainting) that does not block on the spectroscope.
Claims (7)
1. Michelson interferometer incident light pilot, it is made up of reflective mirror, rotor plate, locating sleeve, backstay and connecting link, it is characterized in that reflective mirror is embedded in the rotor plate, rotor plate is connected by screw with locating sleeve and can be around screw turns, locating sleeve is fixed on the connecting link, and connecting link is fixed on the left side of Michelson interferometer.
2. Michelson interferometer incident light pilot according to claim 1, when it is characterized in that rotor plate is in vertical position, backstay inserts in the positioning pit automatically.
3. Michelson interferometer incident light pilot according to claim 1, when it is characterized in that rotor plate is in vertical position, whole Michelson incident light guide piece is in outside the input path, can not block incident light.
4. Michelson interferometer incident light pilot according to claim 1, when it is characterized in that rotor plate forwards horizontal level to, backstay inserts in another positioning pit on the rotor plate automatically, guarantees that reflective mirror is over against beam split minute surface central area.
5. Michelson interferometer incident light pilot according to claim 1, when it is characterized in that rotor plate forwards horizontal level to, the reflective mirror normal becomes 45 degree with beam split minute surface normal.
6. Michelson interferometer incident light pilot according to claim 1 is characterized in that observable reflective mirror diameter is the 6-8 millimeter on the rotor plate.
7. Michelson interferometer incident light pilot according to claim 1 is characterized in that locating sleeve can rotate or slide up and down on connecting link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620033084 CN200990163Y (en) | 2006-02-15 | 2006-02-15 | Michaelson interferometer incident light guider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620033084 CN200990163Y (en) | 2006-02-15 | 2006-02-15 | Michaelson interferometer incident light guider |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200990163Y true CN200990163Y (en) | 2007-12-12 |
Family
ID=38941196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620033084 Expired - Fee Related CN200990163Y (en) | 2006-02-15 | 2006-02-15 | Michaelson interferometer incident light guider |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200990163Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105355124A (en) * | 2015-11-17 | 2016-02-24 | 云南民族大学 | Michelson interference experiment integrated light source device |
| CN111933004A (en) * | 2020-08-19 | 2020-11-13 | 杭州电子科技大学 | Discrete spectrometer and experiment adjusting method thereof |
-
2006
- 2006-02-15 CN CN 200620033084 patent/CN200990163Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105355124A (en) * | 2015-11-17 | 2016-02-24 | 云南民族大学 | Michelson interference experiment integrated light source device |
| CN105355124B (en) * | 2015-11-17 | 2018-02-16 | 云南民族大学 | Michelson interference tests integrated optical source device |
| CN111933004A (en) * | 2020-08-19 | 2020-11-13 | 杭州电子科技大学 | Discrete spectrometer and experiment adjusting method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |