CN103590992A - Photon micro propelling device and method based on active resonant cavity - Google Patents
Photon micro propelling device and method based on active resonant cavity Download PDFInfo
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- CN103590992A CN103590992A CN201310622579.0A CN201310622579A CN103590992A CN 103590992 A CN103590992 A CN 103590992A CN 201310622579 A CN201310622579 A CN 201310622579A CN 103590992 A CN103590992 A CN 103590992A
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Abstract
The invention relates to a photon micro propelling device and method based on an active resonant cavity. The photon micro propelling method can be achieved through the photon micro propelling device. The device is sequentially provided with a pumping system, a dichroic mirror, a laser gain medium, a high-reflection mirror and a pushing article in the transmission direction of a light beam. The pushing article and the high-reflection mirror are fixed together, and pumping light emitted by the pumping system can be focused on the laser gain medium. The method comprises the following steps of constructing an optical resonant cavity containing the gain medium, using the feedback function of the resonant cavity on the photon to achieve repeated light pressure effects of the pushing article, and using the amplifying function of the laser gain medium on the photon to amplify photon micro thrust and improve the propelling efficiency. The photon micro propelling device and method can remarkably reduce the laser power required by the micro thrust, remarkably improve the propelling efficiency and facilitate engineering application of a laser photon micro propelling technique based on the active resonant cavity.
Description
Technical field
The present invention relates to a kind ofly realize the device of the micro-propelling of photon and utilize this device to realize the method for the micro-propelling of photon.
Background technique
Along with development and the application of microsatellite technology, the formation flight technology of microsatellite has become one of hot issue.But traditional micro-Push Technology, cannot meet the tasks such as more and more accurate orbit adjusting, motor-driven and attitude control completely such as the micro-Push Technology of chemistry, the micro-Push Technology of cold air and electric micro-Push Technology etc.The micro-propelling of laser photon is a kind of novel micro-propulsion mode with high specific impulse, be expected to be applied in the tasks such as accurate orbit adjusting in microsatellite formation flight, motor-driven and attitude control, but the mode that conventional laser photon adopts single to advance, required laser power is too high, propulsive efficiency is low, in present stage infeasible.
Summary of the invention
In order to solve the problem that the required laser power of the micro-Push Technology of laser photon single is high, propulsive efficiency is low, the invention provides a kind of novel photon micro propulsion device based on active resonant cavity and utilize this device to realize the method for the micro-propelling of photon.The present invention is applicable to required minimum thrust in the occasion of μ N magnitude.
A kind of photon micro propulsion device based on active resonant cavity, along direction of beam propagation, be disposed with pumping system, dichroscope, gain medium, high reflective mirror and propelling object, described dichroscope and high reflective mirror form resonant cavity, dichroscope is near the antireflective film of a side plating to pump light of pumping system, the high-reflecting film of opposite side plating to oscillation light, high reflective mirror is near the high-reflecting film of a side plating to oscillation light of gain medium, advance object and high reflective mirror to be fixed together, pumping system, compact coaxial placement of dichroscope and gain medium, and meeting the pump light that pumping system sends focuses on gain medium.
The micro-propulsion method of photon of active resonant cavity, it is realized by following steps:
The resonant cavity that step 1, structure are comprised of dichroscope and two optical lenss of high reflective mirror;
Step 2: insert gain medium in resonant cavity, the pump light that pumping system sends focuses on gain medium, the laser photon producing comes and goes vibration under the effect of dichroscope and high reflective mirror, in vibration, pass through gain medium, photon is amplified, and utilizes photon after amplifying to realize the micro-propelling of photon to the optical pressure effect of propelling object.
The present invention is based on active resonant cavity the feedback of photon and gain effect are realized to the amplification to photon microthrust, can solve current laser photon single and advance in micro-Push Technology required laser power high, the problem that propulsive efficiency is low.The present invention can significantly reduce the required laser power of micro-propelling, and can increase substantially propulsive efficiency, is convenient to the engineering application of the micro-Push Technology of laser photon based on active resonant cavity.
Accompanying drawing explanation
Fig. 1 is the structural representation of photon micro propulsion device of the present invention.
Embodiment
Below in conjunction with accompanying drawing, technological scheme of the present invention is further described; but be not limited to this; every technical solution of the present invention is modified or is equal to replacement, and not departing from the spirit and scope of technical solution of the present invention, all should be encompassed in protection scope of the present invention.
Embodiment one: as shown in Figure 1, the device of the micro-propelling of photon based on active resonant cavity in present embodiment, comprise pumping system 1, gain medium 2, dichroscope 3, high reflective mirror 4 and propelling object 5, the direction of propagation along pumping system 1 output pump light is followed successively by dichroscope 3, gain medium 2, high reflective mirror 4 and propelling object 5, described pumping system 1 focuses in gain medium 2 by the focus of pump light, dichroscope 3 and high reflective mirror 4 form resonant cavity, dichroscope 3 is near the antireflective film of a side plating to pump light of pumping system 1, the high-reflecting film of opposite side plating to oscillation light, high reflective mirror 4 is near the high-reflecting film of a side plating to oscillation light of gain medium 2, advance object 5 and high reflective mirror 4 to be fixed together.
In present embodiment, described pumping system 1 is for generation of can be by the pump light of gain medium 2 efficient absorption; Dichroscope 3 and high reflective mirror 4, for forming laser resonator, make laser photon in resonant cavity, low-loss come and go vibration; Gain medium 2 is for realizing amplification of light to coming and going the laser photon of vibration.
In present embodiment, the pumping luminous energy that described pumping system 1 sends is by gain medium efficient absorption.
In present embodiment, described gain medium 2 will have high gain characteristics, can be doping Nd
3+or Yb
3+laser medium.
In present embodiment, the reflectivity >99.99% of described dichroscope 3.
In present embodiment, the reflectivity >99.99% of described high reflective mirror 4.
In present embodiment, described dichroscope 3 and high reflective mirror 4 are concavees lens.
In present embodiment, described resonant cavity can be concave-concave stable cavity, makes resonant cavity keep the stability of height.
In present embodiment, described dichroscope 3 is identical with high reflective mirror 4 focal lengths, and focal length value is greater than the dichroscope 3 of twice and the distance between high anti-border 4.
Embodiment two: present embodiment is utilized the method that device is realized the micro-propelling of photon described in embodiment one, is realized by following steps:
The resonant cavity that step 1, structure are comprised of dichroscope and two optical lenss of high reflective mirror, makes light beam can come and go to lowest loss vibration in resonant cavity;
Step 2: insert gain medium in resonant cavity, the photon that makes in chamber to come and go vibration can be realized amplification after by gain media, utilize amplify after photon the optical pressure effect of object is realized to the micro-propelling of photon.
In said process, also the pump light of pumping system to be focused in gain medium, thereby reduce pump power requirement.
Claims (10)
1. the photon micro propulsion device based on active resonant cavity, it is characterized in that described device is disposed with pumping system, dichroscope, gain medium, high reflective mirror and propelling object along direction of beam propagation, dichroscope and high reflective mirror form resonant cavity, advance object and high reflective mirror to be fixed together, the pump light that pumping system sends focuses on gain medium.
2. the photon micro propulsion device based on active resonant cavity according to claim 1, is characterized in that described dichroscope is near the antireflective film of a side plating to pump light of pumping system, the high-reflecting film of opposite side plating to oscillation light.
3. the photon micro propulsion device based on active resonant cavity according to claim 1, is characterized in that described high reflective mirror is near the high-reflecting film of a side plating to oscillation light of gain medium.
4. the photon micro propulsion device based on active resonant cavity according to claim 1, is characterized in that described gain medium is for doping Nd
3+or Yb
3+laser medium.
5. the photon micro propulsion device based on active resonant cavity according to claim 1, is characterized in that described dichroscope and high reflective mirror are concavees lens.
6. the photon micro propulsion device based on active resonant cavity according to claim 1 or 5, it is characterized in that described dichroscope is identical with high reflective mirror focal length, and focal length value is greater than the dichroscope of twice and the distance between high anti-border.
7. the photon micro propulsion device based on active resonant cavity according to claim 6, is characterized in that described dichroiscopic reflectivity >99.99%.
8. the photon micro propulsion device based on active resonant cavity according to claim 6, is characterized in that the reflectivity >99.99% of described high reflective mirror.
9. utilize the photon micro propulsion device based on active resonant cavity described in the arbitrary right of claim 1-8 to realize a method for the micro-propelling of photon, it is characterized in that described method is realized by following steps:
The resonant cavity that step 1, structure are comprised of dichroscope and two optical lenss of high reflective mirror;
Step 2: insert gain medium in resonant cavity, the pump light that pumping system sends focuses on gain medium, the laser photon producing comes and goes vibration under the effect of dichroscope and high reflective mirror, in vibration, pass through gain medium, photon is amplified, and utilizes photon after amplifying to realize the micro-propelling of photon to the optical pressure effect of propelling object.
10. the micro-propulsion method of the photon based on active resonant cavity according to claim 9, is characterized in that described resonant cavity is concave-concave stable cavity.
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Cited By (7)
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| GB2531475A (en) * | 2016-02-02 | 2016-04-20 | Douglas Robinson | A propulsion device and system |
| CN109737024A (en) * | 2019-03-08 | 2019-05-10 | 中国计量大学 | A kind of photon thrust superposition aircraft propulsion system |
| CN110994343A (en) * | 2019-12-24 | 2020-04-10 | 哈尔滨工业大学 | Optical resonant cavity with double-prism adjusting frame and light path adjusting method |
| CN111120236A (en) * | 2019-12-18 | 2020-05-08 | 上海大学 | Quantum thermal insulation shortcut heat engine with coupling harmonic oscillator as working medium and design method of thermal insulation shortcut process of quantum thermal insulation shortcut heat engine |
| CN112005090A (en) * | 2020-05-12 | 2020-11-27 | 中国科学院微小卫星创新研究院 | Micro-thrust micro-impulse applying device and method based on light pressure principle |
| CN112343780A (en) * | 2019-08-09 | 2021-02-09 | 哈尔滨工业大学 | Microwave coaxial resonance cusped field thruster |
| JP2021155013A (en) * | 2020-03-27 | 2021-10-07 | 敏之 中村 | Photon thrust generator using electromagnetic waves of very high frequency band |
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| CN112343780B (en) * | 2019-08-09 | 2021-08-13 | 哈尔滨工业大学 | Microwave coaxial resonance cusped field thruster |
| CN111120236A (en) * | 2019-12-18 | 2020-05-08 | 上海大学 | Quantum thermal insulation shortcut heat engine with coupling harmonic oscillator as working medium and design method of thermal insulation shortcut process of quantum thermal insulation shortcut heat engine |
| CN110994343A (en) * | 2019-12-24 | 2020-04-10 | 哈尔滨工业大学 | Optical resonant cavity with double-prism adjusting frame and light path adjusting method |
| CN110994343B (en) * | 2019-12-24 | 2021-01-08 | 哈尔滨工业大学 | Optical resonant cavity with double-prism adjusting frame and light path adjusting method |
| JP2021155013A (en) * | 2020-03-27 | 2021-10-07 | 敏之 中村 | Photon thrust generator using electromagnetic waves of very high frequency band |
| CN112005090A (en) * | 2020-05-12 | 2020-11-27 | 中国科学院微小卫星创新研究院 | Micro-thrust micro-impulse applying device and method based on light pressure principle |
| WO2021226810A1 (en) * | 2020-05-12 | 2021-11-18 | 中国科学院微小卫星创新研究院 | Optical pressure principle-based micro-thrust and micro-impulse applying apparatus and method |
| CN112005090B (en) * | 2020-05-12 | 2022-03-15 | 中国科学院微小卫星创新研究院 | Micro-thrust micro-impulse applying device and method based on light pressure principle |
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| CN103590992B (en) | 2016-01-20 |
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