CN203135204U - Pumping coupling system of diode pumping amplifier with large caliber - Google Patents

Pumping coupling system of diode pumping amplifier with large caliber Download PDF

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Publication number
CN203135204U
CN203135204U CN 201320054899 CN201320054899U CN203135204U CN 203135204 U CN203135204 U CN 203135204U CN 201320054899 CN201320054899 CN 201320054899 CN 201320054899 U CN201320054899 U CN 201320054899U CN 203135204 U CN203135204 U CN 203135204U
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China
Prior art keywords
pumping
diode
amplifier
coupling system
array
Prior art date
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Expired - Fee Related
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CN 201320054899
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Chinese (zh)
Inventor
邓青华
丁磊
隋展
傅学军
唐军
高松
谢旭东
卢振华
罗亦明
郝欣
赵润昌
董一方
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Laser Fusion Research Center China Academy of Engineering Physics
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Laser Fusion Research Center China Academy of Engineering Physics
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Priority to CN 201320054899 priority Critical patent/CN203135204U/en
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Abstract

The utility model provides a pumping coupling system of a diode pumping amplifier with large caliber. A plurality of planar diode area array inscribed spherical surfaces in the pumping coupling system form a diode array pumping unit, and a gain medium and the diode array pumping unit are connected through a hollow conduit. The pumping coupling system of the diode pumping amplifier with large caliber provided by the utility model not only can realize high coupling efficiency but also can obtain uniform flattop distribution pumping field, carry out efficient uniform amplification on light beams and well solve the pumping coupling problem in a high energy output diode pumping solid laser system.

Description

A kind of pumping coupling system of heavy caliber diode pumping amplifier
Technical field
The utility model belongs to the diode-pumped solid laser technology field, is specifically related to a kind of pumping coupling system of heavy caliber diode pumping amplifier.
Background technology
Since the last century the nineties, laser diode (LD) and array thereof are obtained huge progress, and power output improves constantly, and cost is also descending.The crystal that is fit to diode laser pump also continues to bring out, thereby the correlative study of diode pumping solid laser (DPSSL) is developed rapidly.Compare with the solid state laser of conventional flash lamp pumping, DPSSL has remarkable advantages such as high efficiency, high power, long-life, small size, so the heavy caliber amplifier of diode laser matrix (being called for short LDA) pumping can (IFE) research field be used more and more widely at inertial confinement fusion (ICF) and inertial fusion.The luminous intensity of diode laser matrix has only 1-3kW/cm at present 2About, can not satisfy producing the required high pumping requirement of strength of intensity laser far away.At the coupling of heavy-duty diode array, people have proposed coupled modes such as solid lens duct, hollow lens duct.Solid lens duct coupled modes are in applications of succeeding of a lot of mini systems, also have been successfully applied to French LUCIA, U.S. Mercury etc. greatly in the laser aid as the hollow lens duct coupled modes of its improved procedure.Adopting the lens duct coupled modes is that coupling efficiency or pump field distribution all are improved, but can't realize the pump field that even flat-top distributes.In order further pump field to be carried out homogenize, must add even bundle device, not only increased coupling loss, also increased the complexity of system greatly.And, coupled modes such as solid lens duct, hollow lens duct are only succeedd in more small-bore (several millimeters to the number centimeter scale) amplifier at present and are used, but along with the propelling of research causes such as IFE, the research of diode pumping heavy caliber (maximum to tens of centimeter scale) amplifier is used significant.And in the diode-pumped systems, the cost of diode occupies larger proportion in system cost, surpasses 60%.Therefore, reduce system's construction cost, just need to realize high coupling efficiency; And system will realize high-quality output, and the diode pumping amplifier need be realized uniform pumping.Thereby the pumping coupling system research of diode pumping amplifier is significant.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of pumping coupling system of heavy caliber diode pumping amplifier.
The pumping coupling system of heavy caliber diode pumping amplifier of the present utility model, be characterized in: the face of receiving is arranged and is formed the diode array pumping unit in a plurality of planar diode face battle arrays in the described pumping coupling system, and gain media is connected by hollow tubing conductor with the diode array pumping unit.
Described planar diode face battle array is made up of a plurality of diode arrays, and the size of planar diode face battle array is more than or equal to the size in the required uniform pumping of amplifier district; In the planar diode face battle array, diode bar bar quick shaft direction collimates, and the fast and slow axis direction of adjacent diode array is vertical mutually.
Described hollow tubing conductor has the truncated rectangular pyramids structure, and hollow tubing conductor is made up of glass or the aluminum sheet metal plate of four polishings and silver-plated film or gold-plated film, is coated with medium protection film again on silverskin or the golden film.
During the face of receiving is arranged in the described diode face battle array, can be by n * n mode symmetry arrangement, also can be by the mode asymmetric distribution of n * m(n ≠ m).
Metal materials such as the selection useable glass of described hollow tubing conductor or aluminium sheet can gold-plated film on it or high reflectance metal film such as silverskin, can further plate medium protection film on the metal film with the useful life of elongate catheter.
The pumping coupling system of heavy caliber diode pumping amplifier of the present utility model, not only can realize high coupling efficiency, and can obtain flat-top distribution pump field very uniformly, can carry out efficient evenly amplification to light beam, can solve a pumping coupling difficult problem in the macro-energy output diode pumped solid laser system preferably.
Description of drawings
Fig. 1 is the structural representation of the pumping coupling system of heavy caliber diode pumping amplifier of the present utility model;
Fig. 2 is the diode array pumping cellular construction schematic diagram in the utility model;
Fig. 3 is the diode face array element structural representation in the utility model;
Among the figure, 1. diode array pumping unit 2. hollow tubing conductors 3. gain medias 4. diode face battle arrays 5. diode bar bars 6. diode arrays.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in detail.
Fig. 1 is the structural representation of the pumping coupling system of heavy caliber diode pumping amplifier of the present utility model.As can be seen from the figure: the pumping coupling system of heavy caliber diode pumping amplifier of the present utility model comprises diode array pumping unit 1, hollow tubing conductor 2, gain media 3.Diode array pumping unit 1 is connected by hollow tubing conductor 2 with gain media 3, and the center of gain media 3 places the sphere center position of the face of receiving in the diode face battle array.The conduit of hollow tubing conductor 2 for having the truncated rectangular pyramids structure, conduit is made up of four polishings and silver-plated or gold-plated glass plate or metallic plate, and metallic plate can be aluminium, aluminium alloy and stainless steel etc.
Fig. 2 is the diode array pumping cellular construction schematic diagram in the utility model, and as can be seen from Figure 2: diode array pumping unit 1 is made up of the face of receiving in big battle array 4 of a plurality of diodes.
Fig. 3 is the diode face array element structural representation in the utility model, and as can be seen from Figure 3: big battle array 4 of single diode is made up of a plurality of diode arrays, and the size of big battle array 4 of diode is more than or equal to the required uniform pumping of amplifier district size.A plurality of diode bar bar 5 is parallel and rearrange diode array 6 compactly, and wherein the quick shaft direction of each diode bar bar 5 collimates with lenticule, and the angle of divergence reduces greatly.In order to realize uniform pumping, the fast and slow axis direction of adjacent diode array 6 is vertical mutually.

Claims (3)

1. the pumping coupling system of a heavy caliber diode pumping amplifier, it is characterized in that: the face of receiving is arranged and is formed diode array pumping unit (1) in a plurality of planar diode face battle arrays (4) in the described pumping coupling system, and gain media (3) is connected by hollow tubing conductor (2) with diode array pumping unit (1).
2. the pumping coupling system of heavy caliber diode pumping amplifier according to claim 1, it is characterized in that: described planar diode face battle array (4) is made up of a plurality of diode arrays (6), and the size of planar diode face battle array (4) is more than or equal to the size in the required uniform pumping of amplifier district; In the planar diode face battle array (4), diode bar bar (5) quick shaft direction collimates, and the fast and slow axis direction of adjacent diode array (6) is vertical mutually.
3. according to the pumping coupling system of the described heavy caliber diode pumping of claim 1 amplifier; it is characterized in that: described hollow tubing conductor (2) has the truncated rectangular pyramids structure; hollow tubing conductor (2) is made up of glass or the aluminum sheet metal plate of four polishings and silver-plated film or gold-plated film, is coated with the media protection rete again on silverskin or the golden film.
CN 201320054899 2013-01-31 2013-01-31 Pumping coupling system of diode pumping amplifier with large caliber Expired - Fee Related CN203135204U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320054899 CN203135204U (en) 2013-01-31 2013-01-31 Pumping coupling system of diode pumping amplifier with large caliber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320054899 CN203135204U (en) 2013-01-31 2013-01-31 Pumping coupling system of diode pumping amplifier with large caliber

Publications (1)

Publication Number Publication Date
CN203135204U true CN203135204U (en) 2013-08-14

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Family Applications (1)

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CN 201320054899 Expired - Fee Related CN203135204U (en) 2013-01-31 2013-01-31 Pumping coupling system of diode pumping amplifier with large caliber

Country Status (1)

Country Link
CN (1) CN203135204U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103094826A (en) * 2013-01-31 2013-05-08 中国工程物理研究院激光聚变研究中心 Pumping coupled system of large-caliber diode pumping amplifier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103094826A (en) * 2013-01-31 2013-05-08 中国工程物理研究院激光聚变研究中心 Pumping coupled system of large-caliber diode pumping amplifier

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C14 Grant of patent or utility model
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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130814

Termination date: 20210131

CF01 Termination of patent right due to non-payment of annual fee