CN103308952A - Gravitational wave detection device design and method thereof - Google Patents
Gravitational wave detection device design and method thereof Download PDFInfo
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- CN103308952A CN103308952A CN2013102496755A CN201310249675A CN103308952A CN 103308952 A CN103308952 A CN 103308952A CN 2013102496755 A CN2013102496755 A CN 2013102496755A CN 201310249675 A CN201310249675 A CN 201310249675A CN 103308952 A CN103308952 A CN 103308952A
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Abstract
The invention discloses a gravitational wave detection device design and a method thereof. A gravitational wave detection device is designed by the aid of the TRIZ and the optical interference principle. The gravitational wave detection device comprises a laser 1, a circle mirror 2, semitransparent semi-reflective glass 3, a phase regulator 4, a reflecting mirror 5, a phase regulator 6, a reflecting mirror 7, a photodiode 8, a differentiator 9 and a correlator 10. The working principle of the gravitational wave detection device includes that three test masses form two optical arms of an optical interferometer, the two optical arms vibrate along with incident gravitational waves in opposite phases under the action of the incident gravitational waves when the two optical arms are mutually perpendicular, and beams transmitted by the laser arrive and depart between the test masses of the two optical arms. The phase difference between the beams received by a photoelectric converter from the two optical arms can change with the incident gravitational waves, and high-frequency gravitational waves (10Hz-10kHz) belong to the most sensitive frequency band of the gravitational wave detection device.
Description
Technical field
Patent of the present invention relates to the precision measurement field that utilizes TRIZ and principle of optical interference to realize, relates in particular to a kind of gravitational wave detecting device design and method thereof.
Background technology
Einstein has foretold the existence of gravitational wave when founding general relativity.Utilization general relativity gravitational radiation theory is derived three conclusions about gravitational wave: (1) gravitational wave exists, with light velocity propagation; (2) gravitational wave is shear wave, and two kinds of polarization states are arranged; (3) there is not the gravitational radiation of one pole and dipole, as long as three order derivatives of mass of system quadrupole moment are non-vanishing, gravitational wave just arranged by radiation.Gravitational wave is with energy, thereby can be detected.
The astronomer indirect verification the existence of gravitational wave.1993 Nobel prize for physics winners are Taylor (J.H.Taylor) and Hull these (R.A.Hulse) of the U.S., the reason of winning a prize is discovery and the research of they paired pulses double star PSRl913+16, and this binary pulsar system becomes first indirect observation evidence that has gravitational wave.And then the mankind thirst for direct detection more to gravitational wave, and the fundamental purpose of gravitational wave detection is the moving effect that detects gravitational waves
Should, this is not only Direct Test einstein general relativity, and the positive evidence that provides gravitational wave to exist, its larger purpose are the structure in understanding universe and the new secret of evolutionary process.The gravitational wave detection activity major part of carrying out at present concentrates on utilizes ground laser interference gravitational wave to survey High Frequency Gravitational Waves, and is that the space laser that utilizes that expectation can realize afterwards in 2018 interferes gravitational wave to survey exploitation and preliminary work that the medium and low frequency gravitational wave carries out.
TRIZ is based on the statistics of millions upon millions of high-level patents of invention and the innovative approach that extract, is the marrow of scientific discovery, technical research and manufacture process, is one of state-of-the-art innovative approach in the world today.In " about strengthening some suggestions of innovative approach work " that the Ministry of Science and Technology, State Development and Reform Commission, the Ministry of Education and the Chinese Technology Association print and distribute, the innovative approach that TRIZ promotes as emphasis.
Patent utilization TRIZ of the present invention and principle of optical interference have designed a kind of High Frequency Gravitational Waves measurement mechanism, survey on the ground High Frequency Gravitational Waves.
Summary of the invention
Patent of the present invention proposes to utilize the evolution of technology route of TRIZ and principle of optical interference Optical interferometer.Analyze from the source to Jia Min (Jiman) interferometer, the adaptability of finding this instrument system is relatively poor, some experiments have been limited, eight related invention principles of recommending according to 2008TRIZ contradiction matrix table are as the evolution of technology route, use first three inventive principle that the Jia Min interferometer is evolved into Michelson interferometer, use remaining five inventive principle that Michelson interferometer is evolved into gravitational wave detecting device.As shown in Figure 3, this instrument comprises 1. laser instruments; 2. circulation mirror; 3. translucent half reflection glass; 4. phase regulator; 5. catoptron; 6. phase regulator; 7. catoptron; 8. photodiode; 9. difference engine; 10. correlator.The principle of gravitational wave detecting device is: 2 light arms that are made of optical interdferometer 3 quality inspections.When 2 smooth arms are mutually vertical, under the effect of incident gravitational wave, 2 light arms with opposite phase place along with the vibration of incident gravitational wave.The light beam of laser instrument emission is travelled to and fro between between the quality inspection of 2 light arms.In the situation that has the incident gravitational wave to exist, electrooptical device receives from the phasic difference between the next light beam of 2 light arms and will change.The brachium of laser interferometer is longer, and the phasic difference that can detect is also just larger.Gravitational wave high frequency band (10 Hz, one 10 kHz) is the most responsive frequency band of gravitational wave detecting device.The beneficial effect of patent of the present invention is: simple and practical, easy to operate, be convenient to the using values such as scientific research.
Description of drawings
Below in conjunction with accompanying drawing patent of the present invention is further specified.
Fig. 1 is Jia Min (Jiman) interferometer light path figure.
Fig. 2 is the Michelson interferometer index path.
Fig. 3 is the gravitational wave detecting device index path.
S is the glass blocks of laser instrument and two equal thickness among Fig. 1.
1. laser instruments among Fig. 2; 2. clear glass; 3. translucent half reflection glass; 4. clear glass; 5. catoptron; 6. clear glass; 7. catoptron; 8. ground glass.
1. laser instruments among Fig. 3; 2. circulation mirror; 3. translucent half reflection glass; 4. phase regulator; 5. catoptron; 6. phase regulator; 7. catoptron; 8. photodiode; 9. difference engine; 10. correlator.
Embodiment
Patent of the present invention has proposed to utilize the evolution of technology route of TRIZ and principle of optical interference Optical interferometer.Gravitational wave detecting device is evolved by Michelson interferometer and is formed, and Michelson interferometer is evolved by Jia Min (Jiman) interferometer and formed.1880, the U.S. physicist Mechelson, A. A. when detection earth moves, was modified into Michelson interferometer with the Jia Min interferometer in the H.V. of Humboldt Helmholtz laboratory in " ether ".In Fig. 1, we analyze Jia Min (Jiman) interferometer by experiment, the interference fringe lightness of Jia Min (Jiman) interferometer is higher, but two relevant light beam A are relevant with the parallel glass plate thickness with the interval that B divides out, this interval is usually smaller, limited some experiments, so the adaptability of instrument system is relatively poor.According to 2008TRIZ contradiction matrix table, should improve " adaptability " of instrument system, yet weaken " lightness " of (deterioration) interference fringe.The engineering parameter sequence number of " adaptability " and " lightness " is respectively 32 and 23, in matrix table, and the inventive principle sequence number of the numeral of the 32nd row and the corresponding matrix element of 23 row infalls for recommending, namely 1,32,35,24,17,19,28,26.8 inventive principle of recommending according to TRIZ use first three inventive principle that the Jia Min interferometer is evolved into Michelson interferometer as the evolution of technology route, use remaining five inventive principle that Michelson interferometer is evolved into gravitational wave detecting device.
Table 1 2008TRIZ contradiction matrix table
Cut apart according to the inventive principle 1 that TRIZ recommends: with object segmentation part independently.Two blocks of glass among Fig. 1 are divided into six blocks of thinner glass, place respectively among Fig. 22,3,4,5,6 and 7.
Inventive principle 32 changes color: the transparency that changes an object.3 glass among Fig. 2 are changed into half silvered glass, be translucent half reflection glass.
Inventive principle 35 changes characteristic: change concentration or density.In Fig. 2, change the concentration of 3 translucent glass compositions, more clear after making A line and B line interval separately; Change glass 5 and 7 part constituent concentrations, it is changed over catoptron, 3,4 and 6 remain clear glass.
Above three inventive principle are evolved into Michelson interferometer with the Jia Min interferometer.Mechelson, A. A. has been invented this interferometer and has been used it to carry out fundamental metrology research and obtained Nobel prize for physics in 1907, and he is first American who obtains this honor.
Inventive principle 24, intermediary according to the TRIZ recommendation: transmit or carry out an action with central object.Gravitational wave can be carried out an action as central object.Gravitational wave can produce photon stream with the disturbance of laser same frequency perpendicular to the direction of propagation of laser, and interference fringe is moved.
Inventive principle 17, be converted to new dimension: ray cast to contiguous zone.Because gravitational wave is too weak, ray cast to contiguous zone, is increased light path, the effective length of interfering arm is increased, could improve measuring accuracy, so the gravitational wave brachium that the U.S. builds has reached 4000 meters most.As shown in Figure 3, we adopt two kinds of methods to increase light paths according to inventive principle 17: (1) increases the distance L between 4 and 5
1, increase the distance L between 6 and 7
2(2) 4 and 6 clear glass among Fig. 2 is changed among Fig. 3 into 4 and 6 phase regulator, change 2 clear glasses into the circulation mirror, make laser Multi reflection between 4 and 5, make laser Multi reflection between 6 and 7.
Inventive principle 19, periodically action: if effect has been the cycle, then change its frequency.When gravitational wave comes then, act on the laser of gravitational wave detecting device light arm, changed the frequency of laser, interference fringe is moved.
Inventive principle 28, replace mechanical system: use up, sound, heat, olfactory system replaces mechanical system.When gravitational wave arrives, changed the frequency of laser, interference fringe is moved, survey the light intensity variation that moving interference fringes causes with photodiode, judge the existence of gravitational wave.
Inventive principle 26, copy: replace object (or object system) with optical imagery, then dwindle or amplify it.Light intensity by 8 photodiodes changes, and utilizes 9 difference engines and 10 correlators to copy relation between light intensity and the phase place, obtains the variation of phase place, obtains the value of gravitational wave to be measured.
Five inventive principle of above use are evolved into gravitational wave detecting device with Michelson interferometer.In gravitational wave detecting device (Fig. 3), 1. laser instrument; 2. circulation mirror; 3. translucent half reflection glass; 4. phase regulator; 5. catoptron; 6. phase regulator; 7. catoptron; 8. photodiode; 9. difference engine; 10. correlator.Its principle of work: 2 light arms that formed optical interdferometer by 3 quality inspections.When 2 smooth arms are mutually vertical, under the effect of incident gravitational wave, 2 light arms with opposite phase place along with the vibration of incident gravitational wave.The light beam of laser instrument emission is travelled to and fro between between the quality inspection of 2 light arms.In the situation that has the incident gravitational wave to exist, electrooptical device receives from the phasic difference between the next light beam of 2 light arms and will change.The brachium of laser interferometer is longer, and the phasic difference that can detect is also just larger.High Frequency Gravitational Waves (10 Hz, one 10 kHz) is the most responsive frequency band of gravitational wave detecting device.
Claims (3)
1. gravitational wave detecting device design and method thereof is characterized in that it comprises: 1. laser instrument; 2. circulation mirror; 3. translucent half reflection glass; 4. phase regulator; 5. catoptron; 6. phase regulator; 7 catoptrons; 8. photodiode; 9. difference engine; 10. correlator.
2. a kind of High Frequency Gravitational Waves measurement mechanism as claimed in claim 1 is characterized in that described 2 light arms that are made of optical interdferometer 3 quality inspections; When 2 smooth arms are mutually vertical, under the effect of incident gravitational wave, 2 light arms with opposite phase place along with the vibration of incident gravitational wave; The light beam of laser instrument emission is travelled to and fro between between the quality inspection of 2 light arms, in the situation that has the incident gravitational wave to exist, electrooptical device receives from the phasic difference between the next light beam of 2 light arms and will change, the brachium of laser interferometer is longer, the phasic difference that can detect is also just larger, and High Frequency Gravitational Waves (10 Hz, one 10 kHz) is the most responsive frequency band of High Frequency Gravitational Waves measurement mechanism.
3. the method for designing that design relates to TRIZ and principle of optical interference is installed in a use as claimed in claim 1, it is characterized in that comprising the steps: that the present invention proposes to utilize the evolution of technology route of TRIZ and principle of optical interference Optical interferometer, gravitational wave detecting device is evolved by Michelson interferometer and is formed, and Michelson interferometer is evolved by Jia Min (Jiman) interferometer and formed; In Fig. 1, we analyze Jia Min (Jiman) interferometer by experiment, the interference fringe lightness of Jia Min (Jiman) interferometer is higher, but two relevant light beam A are relevant with the parallel glass plate thickness with the interval that B divides out, this interval is usually smaller, limited some experiments, so the adaptability of instrument system is relatively poor; Table 1 2008TRIZ contradiction matrix table
According to 2008TRIZ contradiction matrix table, should improve " adaptability " of instrument system, yet weaken " lightness " of (deterioration) interference fringe; The engineering parameter sequence number of " adaptability " and " lightness " is respectively 32 and 23, in matrix table, and the inventive principle sequence number of the numeral of the 32nd row and the corresponding matrix element of 23 row infalls for recommending, namely 1,32,35,24,17,19,28,26; 8 inventive principle of recommending according to TRIZ use first three inventive principle that the Jia Min interferometer is evolved into Michelson interferometer as the evolution of technology route, use remaining five inventive principle that Michelson interferometer is evolved into gravitational wave detecting device; Cut apart according to the inventive principle 1 that TRIZ recommends: with object segmentation part independently; Two blocks of glass among Fig. 1 are divided into six blocks of thinner glass, place respectively among Fig. 22,3,4,5,6 and 7; Inventive principle 32 changes color: the transparency that changes an object; 3 glass among Fig. 2 are changed into half silvered glass, be translucent half reflection glass; Inventive principle 35 changes characteristic: change concentration or density; In Fig. 2, change the concentration of 3 translucent glass compositions, more clear after making A line and B line interval separately; Change glass 5 and 7 part constituent concentrations, it is changed over catoptron, 3,4 and 6 remain clear glass; Above three inventive principle are evolved into Michelson interferometer with the Jia Min interferometer; Inventive principle 24, intermediary according to the TRIZ recommendation: transmit or carry out an action with central object; Gravitational wave can be carried out an action as central object; Gravitational wave can produce photon stream with the disturbance of laser same frequency perpendicular to the direction of propagation of laser, and interference fringe is moved; Inventive principle 17, be converted to new dimension: ray cast to contiguous zone; Because gravitational wave is too weak, ray cast to contiguous zone, is increased light path, the effective length of interfering arm is increased, could improve measuring accuracy, as shown in Figure 3, we adopt two kinds of methods to increase light paths according to inventive principle 17: (1) increases the distance L between 4 and 5
1, increase the distance L between 6 and 7
2(2) 4 and 6 clear glass among Fig. 2 is changed among Fig. 3 into 4 and 6 phase regulator, change 2 clear glasses into the circulation mirror, make laser Multi reflection between 4 and 5, make laser Multi reflection between 6 and 7; Inventive principle 19, periodically action: if effect has been the cycle, then change its frequency; When gravitational wave comes then, act on the laser of gravitational wave detecting device light arm, changed the frequency of laser, interference fringe is moved; Inventive principle 28, replace mechanical system: use up, sound, heat, olfactory system replaces mechanical system; When gravitational wave arrives, changed the frequency of laser, interference fringe is moved, survey the light intensity variation that moving interference fringes causes with photodiode, judge the existence of gravitational wave; Inventive principle 26, copy: replace object (or object system) with optical imagery, then dwindle or amplify it; Light intensity by 8 photodiodes changes, and utilizes 9 difference engines and 10 correlators to copy relation between light intensity and the phase place, obtains the variation of phase place, obtains the value of gravitational wave to be measured; Five inventive principle of above use are evolved into gravitational wave detecting device with Michelson interferometer.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103675935A (en) * | 2013-12-11 | 2014-03-26 | 江南大学 | Design method of multifunctional space gravitational wave detector based on TRIZ |
| CN103675934A (en) * | 2013-12-10 | 2014-03-26 | 江南大学 | Design method of multifunctional gravitational wave detector based on TRIZ |
| CN104252008A (en) * | 2013-06-29 | 2014-12-31 | 江南大学 | TRIZ-based (teoriya resheniya izobretatelskikh zadatch based) technical evolution design and method of optical interferometric equipment |
| CN105700035A (en) * | 2016-02-06 | 2016-06-22 | 哈尔滨工业大学 | Deep space gravitational wave detection apparatus based on repeating type femtosecond pulses |
| CN105738960A (en) * | 2016-02-06 | 2016-07-06 | 哈尔滨工业大学 | Relay type femtosecond pulse high-precision displacement detection device |
| CN106781891A (en) * | 2017-03-09 | 2017-05-31 | 山东大学 | Gravitational wave experimental provision |
| CN107040312A (en) * | 2017-05-18 | 2017-08-11 | 刘世桥 | Pressure too shaping space communication method, apparatus and system |
| CN110132127A (en) * | 2019-05-23 | 2019-08-16 | 王志文 | A kind of measuring device and method of celestial body gravitation field |
| RU2778020C2 (en) * | 2020-01-30 | 2022-08-12 | Акционерное общество "НИИ измерительных приборов - Новосибирский завод имени Коминтерна" (АО "НПО НИИИП-НЗиК" | A method for detecting and registering gravitational waves (options) and a device for its implementation |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104252008A (en) * | 2013-06-29 | 2014-12-31 | 江南大学 | TRIZ-based (teoriya resheniya izobretatelskikh zadatch based) technical evolution design and method of optical interferometric equipment |
| CN103675934A (en) * | 2013-12-10 | 2014-03-26 | 江南大学 | Design method of multifunctional gravitational wave detector based on TRIZ |
| CN103675935A (en) * | 2013-12-11 | 2014-03-26 | 江南大学 | Design method of multifunctional space gravitational wave detector based on TRIZ |
| CN105700035A (en) * | 2016-02-06 | 2016-06-22 | 哈尔滨工业大学 | Deep space gravitational wave detection apparatus based on repeating type femtosecond pulses |
| CN105738960A (en) * | 2016-02-06 | 2016-07-06 | 哈尔滨工业大学 | Relay type femtosecond pulse high-precision displacement detection device |
| CN105700035B (en) * | 2016-02-06 | 2018-02-27 | 哈尔滨工业大学 | Deep space gravitational wave detecting device based on midsequent femtosecond pulse |
| CN105738960B (en) * | 2016-02-06 | 2018-07-06 | 哈尔滨工业大学 | Midsequent femtosecond pulse high precision displacement detection device |
| CN106781891A (en) * | 2017-03-09 | 2017-05-31 | 山东大学 | Gravitational wave experimental provision |
| CN107040312A (en) * | 2017-05-18 | 2017-08-11 | 刘世桥 | Pressure too shaping space communication method, apparatus and system |
| CN110132127A (en) * | 2019-05-23 | 2019-08-16 | 王志文 | A kind of measuring device and method of celestial body gravitation field |
| RU2778020C2 (en) * | 2020-01-30 | 2022-08-12 | Акционерное общество "НИИ измерительных приборов - Новосибирский завод имени Коминтерна" (АО "НПО НИИИП-НЗиК" | A method for detecting and registering gravitational waves (options) and a device for its implementation |
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Application publication date: 20130918 |