CN101865726B - Interference fringe counter of Michelson interferometer - Google Patents
Interference fringe counter of Michelson interferometer Download PDFInfo
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- CN101865726B CN101865726B CN2010101622117A CN201010162211A CN101865726B CN 101865726 B CN101865726 B CN 101865726B CN 2010101622117 A CN2010101622117 A CN 2010101622117A CN 201010162211 A CN201010162211 A CN 201010162211A CN 101865726 B CN101865726 B CN 101865726B
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Abstract
The invention relates to an interference fringe counter of a Michelson interferometer, which mainly and structurally consists of a host machine case, a liquid crystal display screen, an indicating lamp, a starting switch, a reset switch, a sensor connecting and inserting seat, a host machine circuit board, a photovoltaic sensing machine case, a sensing circuit board, a photovoltaic sensor, a fixed window, an opening-closing window and conducting wires, wherein the design of combing the host machine case and the photovoltaic sensing machine case is adopted, the host machine circuit and a photovoltaic sensing information circuit are mutually connected for completing the fringe collection function, and a microcomputer is used for carrying out information processing, calculation and display to obtain the final interference fringe number. The device has the advantages of advanced and reasonable design, compact structure, convenient counting, high speed, convenience and full and accurate data. Compared with the ordinary eye observation counting, the invention has the advantages that the work efficiency can be improved by 3 to 4 times, and the interference fringe counter of the Michelson interferometer belongs to the ideal interference fringe counter of the Michelson interferometer.
Description
Technical field
The present invention relates to a kind of interference fringe counter of Michelson interferometer, belong to the design of physical experiment apparatus and the technical field of manufacturing.
Background technology
In Experiment of College Physics, Michelson interferometer is the most important instrument that calculates optical maser wavelength, after Michelson interferometer is observed interference fringe, the trimming hand wheel of rotation Michelson interferometer, can be observed interference fringe gushing out or be absorbed in one by one, the striped number that record is gushed out or is absorbed in, and calculate the distance that rotating disk moves, thus calculate optical wavelength; General requirement of experiment continuous coverage seven times, need to move 50 stripeds at every turn, but because Michelson interferometer lacks the counting assembly of the automatic recording interference fringe number that matches with it, operating personnel will carry out in environment with dark light when doing experiment, when regulating trimming hand wheel, also to observe spectrum and write down the number of interference fringes of gushing out or being absorbed in eyes, when the fringe number that record moves surpasses 300, eyes can tire out, cause work efficiency to reduce, the optical wavelength error that calculates strengthens, and has had a strong impact on the carrying out of observed and recorded optical wavelength.
Summary of the invention
Goal of the invention
Purpose of the present invention is exactly at disadvantages of background technology, design a kind of interference fringe counter, adopt the design that main frame+the photoelectric sensing machine combines, adopt microcomputer information processes and displays, photoelectric sensor picked-up light wave fringe number, make the interference fringe of Michelson steller interferometer observe counting realization instrumentation, with accuracy and the efficient that increases substantially calculating.
Technical scheme
Primary structure of the present invention by: mainframe box, LCDs, pilot lamp, starting switch, reset switch, sensor combination hub, sensing socket, host circuit board, photoelectric sensing cabinet, sensing circuit plate, photoelectric sensor, folding window, fixed window, support, base, supporting plate, cable, lead are formed;
The front portion of mainframe box 1 is provided with LCDs 2, pilot lamp 3, starting switch 4, reset switch 5, sensor combination hub 6; The inside of mainframe box 1 is provided with alternating current-direct current transformer 14, host circuit board 15, alternating current-direct current transformer 14 connects with host circuit board 15 by lead 17, and host circuit board 15 connects with pilot lamp 3, LCDs 2, starting switch 4, reset switch 5, the sensor combination hub 6 of mainframe box 1 front portion by lead 17; Mainframe box 1 rear portion is provided with 220V supply socket 16, and supply socket 16 connects with alternating current-direct current transformer 14 by lead 17; The sidepiece of mainframe box 1 is provided with movably photoelectric sensing cabinet 7, and connects by cable 13;
Described host circuit board 15, form integrated circuit by microcomputer information IC circuit 1, oscillatory circuit IC2, A/D analog to digital conversion circuit IC3, AccessPort IC circuit 4, charactron display drive control circuit IC5, auditory tone cues electric circuit IC6, sensor information memory circuit IC7, direct-current power supply converting circuit IC8, power of alterating and direct current conversion voltage stabilizing rectification circuit IC9, reset circuit IC10, connect by lead between each parallel circuit.
The sensing circuit plate 18 of described photoelectric sensor 20 is formed integrated circuit by photoelectric sensing circuit IT1, amplifier circuit IT2, signal conditioning circuit IT3, is connected by lead between each circuit.
Beneficial effect
The present invention compares with background technology has tangible advance, it is actual conditions of calculating optical maser wavelength at Michelson interferometer, observe the difficult point of interference fringe, a kind of interference fringe counter of design, adopt the design that mainframe box+the photoelectric sensing cabinet combines, host circuit board and photoelectric sensing circuit plate combine, finish and gather the striped quantity information, and count by the microcomputer information treatment circuit, show, draw final interference fringe quantity, this device advanced and reasonable design, compact conformation, counting is convenient, rapidly quick, data are accurately full and accurate, observe counting than average eye and can improve work efficiency 3-4 doubly, are the interference fringe counters of very good Michelson interferometer.
Description of drawings
Fig. 1 is one-piece construction figure
Fig. 2 is the A-A sectional view of Fig. 1
Fig. 3 is the B-B sectional view of Fig. 1
Fig. 4 is the C-C sectional view of Fig. 1
Fig. 5 is the D-D sectional view of Fig. 1
Fig. 6 is the mainframe box circuit block diagram
Fig. 7 is the mainframe box circuit diagram
Fig. 8 is a photoelectric sensing cabinet circuit block diagram
Fig. 9 is a photoelectric sensing cabinet circuit diagram
Shown in the figure, list of numerals is as follows:
1, mainframe box, 2, LCDs, 3, pilot lamp, 4, starting switch, 5, reset switch, 6, the sensor combination hub, 7, the photoelectric sensing cabinet, 8, base, 9, support, 10, supporting plate, 11, fixed mount, 12, movable rack, 13, cable, 14, the alternating current-direct current transformer, 15, main circuit board, 16, supply socket, 17, lead, 18, the sensing circuit plate, 19, sensing socket, 20, photoelectric sensor, 21, lead, 22, bonnet.
IC1, microcomputer information treatment circuit, IC2, oscillatory circuit, IC3, A/D analog to digital conversion circuit, IC4, AccessPort circuit, IC5, charactron display drive control circuit, IC6, auditory tone cues electric circuit, IC7, sensor information memory circuit, IC8, direct-current power supply converting circuit, IC9, alternating current-direct current change power supply and change the voltage stabilizing rectification circuit, IC10, reset circuit.
IT1, photoelectric sensor circuit, IT2, amplifier circuit, IT3, signal conditioning circuit.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing:
Shown in Fig. 1,2,3,4,5, be one-piece construction figure, each connecting relation, it is correct that want the position, installs firmly.
Mainframe box 1 is connected and transmission information by cable 13 with photoelectric sensing cabinet 7, distance, angle and folding window 12 are adjusted in the position of photoelectric sensing cabinet 7 visual Michelson interferometers, make photoelectric sensor 7 aim at Michelson interferometer, the power adjustment of light is noted in picked-up information and transmission.
Alternating current-direct current transformation in the mainframe box 1 connects external power supply by supply socket 16, the inner host circuit board 15 that connects, and host circuit board 15 connects with each one by lead 17.
Shown in Fig. 6,7, be the mainframe box circuit board, it is correct that connecting relation is wanted, and each parallel circuit function will be coordinated, and each parallel circuit is connected by lead.
Shown in Fig. 8,9, be the photoelectric sensing circuit plate, it is correct that connecting relation is wanted, and each parallel circuit function will be coordinated.
Claims (1)
1. the interference fringe counter of a Michelson interferometer is characterized in that: primary structure by: mainframe box (1), LCDs (2), pilot lamp (3), starting switch (4), reset switch (5), sensor combination hub (6), sensing socket (19), host circuit board (15), photoelectric sensing cabinet (7), sensing circuit plate (18), photoelectric sensor (20), folding window (12), fixed window (11), support (9), base (8), supporting plate (10), cable (13), lead (17,21) are formed;
The front portion of described mainframe box (1) is provided with described LCDs (2), described pilot lamp (3), described starting switch (4), described reset switch (5), described sensor combination hub (6); The inside of described mainframe box (1) is provided with alternating current-direct current transformer (14), described host circuit board (15), described alternating current-direct current transformer (14) connects with described host circuit board (15) by lead (17), and described host circuit board (15) connects by lead (17) and described mainframe box (1) anterior described pilot lamp (3), described LCDs (2), described starting switch (4), described reset switch (5), described sensor combination hub (6); Described mainframe box (1) rear portion is provided with 220V supply socket (16), and this supply socket (16) connects with described alternating current-direct current transformer (14) by lead (17); The movably described photoelectric sensing cabinet of the sidepiece setting of described mainframe box (1) (7), and by described cable (13) connection;
Described photoelectric sensing cabinet (7) is a cuboid, the bottom is by described base (8), support (9), supporting plate (10) supports, described photoelectric sensing cabinet (7) lower front is described fixed window (11), front upper is a described folding window (12), described photoelectric sensing cabinet (7) rear portion is bonnet (22), described sensing socket (19) is set on this bonnet (22), this sensing socket (19) connects described sensing circuit plate (18) by lead (21), described sensing circuit plate (18) connects described photoelectric sensor (20) by lead (21), described photoelectric sensor (20) is aimed at described folding window (12), and aims at Michelson interferometer picked-up interference fringe information;
Described host circuit board (15), form integrated circuit by microcomputer information circuit (IC1), oscillatory circuit (IC2), A/D analog to digital conversion circuit (IC3), AccessPort circuit (IC4), charactron display drive control circuit (IC5), auditory tone cues electric circuit (IC6), sensor information memory circuit (IC7), direct-current power supply converting circuit (IC8), power of alterating and direct current conversion voltage stabilizing rectification circuit (IC9), reset circuit (IC10), connect by lead between each parallel circuit;
The described sensing circuit plate (18) of described photoelectric sensor (20) is formed integrated circuit by photoelectric sensing circuit (IT1), amplifier circuit (IT2), signal conditioning circuit (IT3), is connected by lead between each circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101622117A CN101865726B (en) | 2010-04-30 | 2010-04-30 | Interference fringe counter of Michelson interferometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101622117A CN101865726B (en) | 2010-04-30 | 2010-04-30 | Interference fringe counter of Michelson interferometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101865726A CN101865726A (en) | 2010-10-20 |
| CN101865726B true CN101865726B (en) | 2011-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101622117A Expired - Fee Related CN101865726B (en) | 2010-04-30 | 2010-04-30 | Interference fringe counter of Michelson interferometer |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185640B (en) * | 2012-12-13 | 2014-12-03 | 浙江海洋学院 | Michelson interferometer control device and control method |
| CN103090979B (en) * | 2013-02-02 | 2015-05-20 | 长沙理工大学 | Method and device for interference fringe automatic counting used for Michelson interferometer |
| CN108053020A (en) * | 2018-01-08 | 2018-05-18 | 于书鹏 | A kind of Michaelson Interferometer fringes counter system based on Arduino |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2107018U (en) * | 1991-07-26 | 1992-06-10 | 东北工学院 | Microcomputer-control device for light interference dilatometer |
| CN2630968Y (en) * | 2003-06-26 | 2004-08-04 | 南华大学 | Photoelectric isopath interference experimental instrument |
| CN201672974U (en) * | 2010-04-30 | 2010-12-15 | 太原理工大学 | Interference fringe counter of Michelson interferometer |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2774172B1 (en) * | 1998-01-28 | 2000-02-25 | Inst Francais Du Petrole | METHOD AND DEVICE FOR INTERFERENTIAL MEASUREMENT OF PHASE BETWEEN TWO LIGHT BEAMS FROM A SAME POLARIZED SOURCE APPLIED TO REFRACTOMETRY |
| SE0302676D0 (en) * | 2003-10-09 | 2003-10-09 | Neural Ab | Method and apparatus for holographic refractometry |
| JP2008202959A (en) * | 2007-02-16 | 2008-09-04 | Sony Corp | Vibration detecting device |
-
2010
- 2010-04-30 CN CN2010101622117A patent/CN101865726B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2107018U (en) * | 1991-07-26 | 1992-06-10 | 东北工学院 | Microcomputer-control device for light interference dilatometer |
| CN2630968Y (en) * | 2003-06-26 | 2004-08-04 | 南华大学 | Photoelectric isopath interference experimental instrument |
| CN201672974U (en) * | 2010-04-30 | 2010-12-15 | 太原理工大学 | Interference fringe counter of Michelson interferometer |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平11-271149A 1999.10.05 |
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| CN101865726A (en) | 2010-10-20 |
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Granted publication date: 20110928 Termination date: 20130430 |