Quartz tube structure for side pump module

Abstract

The utility model provides a quartz tube structure for a side pump module, which is low in processing cost and capable of reducing the problems that bubbles or impurities exist in a quartz tube and lines or defects exist on the surface of the quartz tube. Comprising a tube body, the tube body comprises a hollow outer-layer quartz tube and a hollow inner-layer quartz tube, the outer-layer quartz tube and the inner-layer quartz tube are coaxially arranged, and a heat dissipation water channel interlayer is formed between the outer-layer quartz tube and the inner-layer quartz tube; an auxiliary part is adhered to the gap position of the end parts of the outer-layer quartz tube and the inner-layer quartz tube; and water through holes communicated with the heat dissipation water channel interlayer are distributed on the auxiliary part.

Description

Technical Field

[0001] The utility model relates to the technical field of quartz tubes, in particular to a quartz tube structure for a side pump module. Background Art

[0002] Quartz tube is a kind of silicon dioxide (SiO 2 ) is a transparent or translucent tube made of quartz tube, which has the characteristics of high temperature resistance, corrosion resistance, high purity, etc., and due to its excellent physical and chemical properties, quartz tube is widely used in high-tech industries such as semiconductors, optical fibers, photovoltaics, etc. For example, in semiconductor lasers, an important technical problem of semiconductor lasers is the heat dissipation and cooling problem. The commonly used cooling methods at present include liquid cooling methods, which select liquid-cooled semiconductor lasers as side pump modules, and the refrigerant in the quartz tube as the cooling water path of the crystal rod. At present, the cooling water path of the semiconductor laser heat sink and the water path of the crystal rod are often designed as a series water path, that is, the coolant flows into the liquid cooling channel of the semiconductor laser heat sink and flows out of the liquid cooling channel in the quartz tube; however, this method also has problems: conventional quartz tubes are single-layer The thick-walled structure shows poor heat dissipation after the side pump module is powered on and heated up, which affects the working effect of the side pump module. In addition, the conventional quartz tube forming method is to pull the molten silica into a slender tube, or blow the molten silica into a mold to form tubes of different thicknesses, but this method is costly and the dimensional tolerance does not meet the requirements. There will be impurities and bubbles inside the quartz tube, resulting in poor transmittance and other undesirable phenomena. Another forming method is to obtain it by processing and polishing, but this process will cause processing marks on the surface of the quartz tube, and there will be undesirable conditions such as lines or edge collapse defects. In summary, the above two quartz tube forming methods will cause bubbles or impurities inside the quartz tube, lines or defects on the surface, etc., and the transparency of the quartz tube will be uncontrollable, resulting in uneven light output from the side pump module. Utility Model Content

[0003] In view of the above problems, the utility model provides a quartz tube structure for a side pump module, which has low processing cost and excellent heat dissipation performance, and can also reduce the problems of bubbles or impurities inside the quartz tube and lines or defects on the surface.

[0004] The utility model adopts the following technical scheme: a quartz tube structure for a side pump module, including a tube body, characterized in that the tube body includes a hollow outer quartz tube and an inner quartz tube, the outer quartz tube and the inner quartz tube are coaxially arranged to form a heat dissipation water channel interlayer; an auxiliary part is bonded at the end gap position of the outer quartz tube and the inner quartz tube, and the auxiliary part is provided with water holes connected to the heat dissipation water channel interlayer.

[0005] Furthermore, the auxiliary parts are made of highly transparent quartz stone;

[0006] Furthermore, the water holes are provided with 5 holes, and are arranged in a ring shape at equal intervals on the auxiliary component;

[0007] Furthermore, the outer quartz tube and the inner quartz tube are both hollow circular tubes, and the inner diameter of the outer quartz tube is larger than the outer diameter of the inner quartz tube;

[0008] Furthermore, the outer walls of the outer quartz tube and the inner quartz tube are both coated with an anti-reflection film;

[0009] Furthermore, the inner diameter of the inner quartz tube is larger than the diameter of the heat dissipation water channel interlayer.

[0010] The beneficial effect of the utility model is that the double-layer hollow structure of the quartz tube body realized by arranging an outer quartz tube and an inner quartz tube can realize a thinner and more uniform tube wall, a good light beam transmittance, and optimized light output effect; and a water hole connected to the heat dissipation water channel interlayer is opened on the end face of the tube body, so that after the cooling liquid passes through the center of the quartz tube body and the heat dissipation water channel interlayer, the inner and outer walls of the quartz tube body can be cooled, thereby ensuring that the internal temperature of the entire side pump module is in a lower range, enhancing the heat dissipation effect, and having good use value. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a main structural schematic diagram of the utility model;

[0012] Figure 2 yes Figure 1 AA structural diagram;

[0013] Figure 3 It is a three-dimensional structural schematic diagram of the utility model;

[0014] Figure 4 It is a diagram of the coordination structure of the embodiment of the utility model and the side pump module. DETAILED DESCRIPTION

[0015] like Figure 1 to Figure 3As shown, the utility model is a quartz tube structure for a side pump module, comprising a tube body, the tube body comprising an outer quartz tube 2-1 and an inner quartz tube 2-2, both of which are hollow circular tube structures, the inner diameter of the outer quartz tube 2-1 is larger than the outer diameter of the inner quartz tube 2-2, the outer quartz tube 2-1 and the inner quartz tube 2-2 are coaxially arranged to form a heat dissipation water channel interlayer 2-3, the inner diameter of the inner quartz tube 2-2 is larger than the diameter of the heat dissipation water channel interlayer 2-3; at the end gap position of the outer quartz tube 2-1 and the inner quartz tube 2-2 An auxiliary part 2-6 is bonded at the position, and a water hole 2-4 connected to the heat dissipation water channel interlayer 2-3 is arranged on the auxiliary part 2-6. The coolant in the water channel can be diverted through the water hole 2-4, and the coolant fills the heat dissipation water channel interlayer 2-3. When the pump light irradiates the outer wall surface of the tube body, the coolant can cool the outer wall surface of the tube body, that is, water passes through the heat dissipation water channel interlayer 2-3 and the center of the tube body to form a cooling water channel and dissipate heat at the same time, thereby enhancing the heat dissipation effect, thereby ensuring that the internal temperature of the entire side pump module is within a relatively low range.

[0016] The auxiliary part is made of highly transparent quartz stone; there are 5 water holes 2-4, which are arranged in a ring shape with equal intervals on the auxiliary part; the outer walls of the outer quartz tube 2-1 and the inner quartz tube 2-2 can be individually coated with anti-reflection films according to the light output requirements of the side pump module.

[0017] The utility model has a relatively low processing cost, and the transparency of the quartz tube is controllable, which can overcome the problems of bubbles or impurities existing inside the conventional quartz tube, and lines and defects existing on the surface. The double-layer quartz tube adopted in the tube body has a thinner tube wall, a more uniform wall material, and a good light beam transmittance. When the pump light passes through the tube body, it can achieve the same or even better light output effect as the conventional quartz tube; and the water holes 2-4 are opened at the connection of the side end faces of the two thin-walled quartz tubes (the outer quartz tube 2-1 and the inner quartz tube 2-2) for passing water to dissipate heat for the gain medium and the outer wall of the tube body, which has a better heat dissipation effect than the conventional single-layer quartz tube.

[0018] The present invention is described with the following embodiments: Figure 4 As shown, the tube body is coaxially arranged in the laser cavity, 5 groups of LD arrays 1-1 are evenly arranged around the tube body, the gain medium (not shown in the figure) is inserted into the inner quartz tube 2-2, and the side pump module (not shown in the figure) is fed with cooling water with a water flow rate of 5L / min. The gap between the gain medium and the inner quartz tube 2-2 forms a heat dissipation water channel 2-5, and the cooling water enters the heat dissipation water channel interlayer 2-3 through the water hole 2-4 of the tube body, thereby enhancing the heat dissipation effect; after the water fills the heat dissipation water channel interlayer 2-3, a lens is formed, and the pump light 1-2 emitted by the LD array 1-1 passes through the uniform pump gain medium of the tube body, thereby having a better pump light output effect.

[0019] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0020] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A quartz tube structure for a side pump module, comprising a tube body, characterized in that: The tube body includes a hollow outer quartz tube and an inner quartz tube, which are coaxially arranged to form a heat dissipation water channel interlayer; auxiliary parts are bonded at the end gap positions of the outer quartz tube and the inner quartz tube, and the auxiliary parts are provided with water holes connected to the heat dissipation water channel interlayer.

2. A quartz tube structure for a side pump module according to claim 1, characterized in that: The auxiliary parts are made of high-transparency quartz stone.

3. A quartz tube structure for a side pump module according to claim 1, characterized in that: The water holes are provided with 5 holes, and are arranged in a ring shape with equal intervals on the auxiliary component.

4. A quartz tube structure for a side pump module according to claim 1, characterized in that: The outer quartz tube and the inner quartz tube are both hollow circular tubes, and the inner diameter of the outer quartz tube is larger than the outer diameter of the inner quartz tube.

5. A quartz tube structure for a side pump module according to claim 1, characterized in that: The outer walls of the outer quartz tube and the inner quartz tube are both coated with anti-reflection films.

6. A quartz tube structure for a side pump module according to claim 1, characterized in that: The inner diameter of the inner quartz tube is larger than the diameter of the heat dissipation water channel interlayer.

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