CN115793115A - Scattered light absorption device and system - Google Patents
Scattered light absorption device and system Download PDFInfo
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- CN115793115A CN115793115A CN202211392063.7A CN202211392063A CN115793115A CN 115793115 A CN115793115 A CN 115793115A CN 202211392063 A CN202211392063 A CN 202211392063A CN 115793115 A CN115793115 A CN 115793115A
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- 230000031700 light absorption Effects 0.000 title claims abstract description 58
- 239000006096 absorbing agent Substances 0.000 claims abstract description 162
- 238000010521 absorption reaction Methods 0.000 claims abstract description 31
- 230000003287 optical effect Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 7
- 239000003344 environmental pollutant Substances 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 3
- 231100000719 pollutant Toxicity 0.000 abstract description 3
- 239000011521 glass Substances 0.000 description 20
- 238000009434 installation Methods 0.000 description 20
- 238000000034 method Methods 0.000 description 16
- 230000002745 absorbent Effects 0.000 description 10
- 239000002250 absorbent Substances 0.000 description 10
- 230000002349 favourable effect Effects 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 6
- 230000007423 decrease Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000003749 cleanliness Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011112 process operation Methods 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
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Abstract
The invention provides a scattered light absorption device and a scattered light absorption system, and relates to the technical field of optics. The invention discloses a scattered light absorption device, which is used for a high-energy laser system and comprises a support, a first absorber, a light-transmitting body and a second absorber, wherein the support, the light-transmitting body and the second absorber are suitable for enclosing to form a closed space, and the first absorber is obliquely arranged in the closed space and used for absorbing scattered light. According to the technical scheme, the first absorber obliquely arranged in the closed space is arranged to absorb scattered light, the optical path of the scattered light in the first absorber is increased, the absorption effect of the first absorber on the scattered light is improved, meanwhile, particle pollutants generated by impact are remained in the closed space, and the pollution to a high-energy laser system is reduced.
Description
Technical Field
The invention relates to the technical field of optics, in particular to a scattered light absorption device and a scattered light absorption system.
Background
In a high-energy laser system, the overall energy of laser is high, the intensity of scattered light is also high, the high-intensity scattered light can cause ablation damage of parts, particle pollution caused by damage can influence the cleanliness, damage is aggravated, more scattered light is generated, and then avalanche type influence is caused.
Disclosure of Invention
The invention solves the problem of how to solve the cleanliness influence caused by scattered light in a high-energy laser system.
In order to solve the above problems, the present invention provides a scattered light absorption apparatus for a high-energy laser system, including a support, a first absorber, a transparent body and a second absorber, where the support, the transparent body and the second absorber are adapted to enclose a closed space, and the first absorber is obliquely disposed in the closed space for absorbing scattered light.
According to the scattered light absorption device, the first absorber obliquely arranged in the closed space is arranged to absorb scattered light, so that the optical path of the scattered light in the first absorber is increased, the absorption effect of the first absorber on the scattered light is improved, particle pollutants generated by impact can be remained in the closed space, and the pollution to a high-energy laser system is reduced.
Preferably, the holder, the first absorber, the light-transmitting body, and the second absorber are plate-shaped structures, one holder is disposed on each of front and rear sides of the first absorber, the two holders are disposed in parallel, one light-transmitting body is disposed on each of a top and left and right sides of the first absorber, adjacent light-transmitting bodies are perpendicular to each other, the first absorber is disposed perpendicular to any one of the holders, and an included angle between the first absorber and any one of the light-transmitting bodies is in a range of 30 ° to 60 °.
According to the scattered light absorption device, the first absorption body is arranged to be perpendicular to the support, the included angle between the first absorption body and the light transmission body ranges from 30 degrees to 60 degrees, and the first absorption body with a proper size is used for achieving effective absorption of scattered light.
Preferably, the support is detachably connected with the first absorber, a second clamping groove is formed in the support, and the side edge of the first absorber is suitable for being clamped in the second clamping groove.
According to the scattered light absorption device, the side edge of the first absorption body is clamped in the second clamping groove, so that the mounting and dismounting processes of the first absorption body are facilitated, and the first absorption body can be replaced in time when needing to be dismounted under the conditions that the first absorption body fails and the like, so that the effectiveness of scattered light absorption is ensured.
Preferably, the second slot includes a first front end, a first middle section and a first bottom end, the side of the first absorber is adapted to be inserted into the second slot from the first front end, the width of the second slot decreases along the direction from the first front end to the first middle section, and the first bottom end is arc-shaped.
According to the scattered light absorption device, the groove width of the second clamping groove is gradually reduced from the first front end to the first middle section of the second clamping groove, so that the mounting and dismounting processes of the first absorber are facilitated, and the first bottom end of the second clamping groove is in an arc shape, so that the mounting and posture adjustment of the first absorber are facilitated.
Preferably, the support with the printing opacity body can be dismantled and be connected, set up first draw-in groove on the support, the side of the printing opacity body is suitable for the card to be established in the first draw-in groove.
According to the scattered light absorption device, the side edge of the light-transmitting body is clamped in the first clamping groove, so that the mounting and dismounting processes of the light-transmitting body are facilitated, and the light-transmitting body can be replaced in time when needing to be dismounted under the conditions that the light-transmitting body fails and the like, so that the scattered light absorption effectiveness is ensured.
Preferably, the first clamping groove comprises a second front end and a second bottom end, the side of the light-transmitting body is suitable for being inserted into the first clamping groove from the second front end, the width of the first clamping groove is gradually reduced along the direction from the second front end to the second bottom end, and the second bottom end is arc-shaped.
According to the scattered light absorption device, the groove width of the first clamping groove is gradually reduced from the second front end to the second bottom end of the first clamping groove, so that the mounting and dismounting processes of the light-transmitting body are facilitated, and the second bottom end of the first clamping groove is in an arc shape, so that the mounting and posture adjustment of the light-transmitting body are facilitated.
Preferably, the bracket is detachably connected with the second absorber, a third clamping groove is formed in the bracket, and the side edge of the second absorber is suitable for being clamped in the third clamping groove.
According to the scattered light absorption device, the side edge of the second absorber is clamped in the third clamping groove, so that the mounting and dismounting processes of the second absorber are facilitated, and the second absorber can be replaced in time when needing to be dismounted under the conditions that the second absorber fails and the like, so that the effectiveness of scattered light absorption is ensured.
Preferably, the third slot includes a third front end, a third middle section and a third bottom end, the side of the second absorber is adapted to be inserted into the third slot from the third front end, the width of the third slot decreases along the direction from the third front end to the third middle section, and the third bottom end is arc-shaped.
According to the scattered light absorption device, the groove width of the third clamping groove is gradually reduced from the third front end to the third middle section of the third clamping groove, so that the mounting and dismounting processes of the second absorber are facilitated, and the third bottom end of the third clamping groove is in an arc shape, so that the mounting and posture adjustment of the second absorber are facilitated.
Preferably, the scattered light absorbing device further comprises a stopper, wherein the stopper comprises a first stopper, a second stopper and a third stopper, the first stopper is used for fixing the first absorber in a manner of being matched with a fastener, the second stopper is used for fixing the light-transmitting body in a manner of being matched with a fastener, and the third stopper is used for fixing the second absorber in a manner of being matched with a fastener.
According to the scattered light absorption device, the first baffle, the second baffle and the third baffle are arranged to respectively fix the first absorber, the light-transmitting body and the second absorber, so that the strength of the scattered light absorption device is improved, and glass damage of the first absorber, the light-transmitting body, the second absorber and the like is prevented.
The invention also provides a scattered light absorption system, which comprises a plurality of scattered light absorption devices as described in any one of the above, wherein the plurality of scattered light absorption devices are arranged in series along an optical path, and the wavelength absorption ranges of any two scattered light absorption devices are not identical.
The scattered light absorption system provided by the invention is formed by arranging a plurality of scattered light absorption devices which are arranged in series along the light path, so that the scattered light with different wavelengths can be effectively absorbed.
Drawings
FIG. 1 is a schematic structural diagram of a scattered light absorption device according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a stent according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a first stopper according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a second block according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a third block according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a scattered light absorption system according to an embodiment of the present invention.
Description of reference numerals:
1-bracket, 11-first card slot, 111-second front end, 113-second bottom end, 12-second card slot, 121-first front end, 122-first middle section, 123-first bottom end, 13-third card slot, 131-third front end, 132-third middle section, 133-third bottom end; 2-a first absorbent; 3-a light-transmitting body; 4-a second absorbent body; 5-stop, 51-first stop, 52-second stop, 53-third stop.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In a high-energy laser system, due to the change of a beam path caused by a flaw of an optical element, a small part of a beam is called as scattered light, the energy of the scattered light in the high-energy laser system is extremely high, the high-intensity scattered light can strengthen damage to the optical element, so that more scattered light is generated, and an avalanche type chain reaction occurs.
In the drawings of the present specification, an XYZ coordinate system is attached, in which X forward direction represents "left", X reverse direction represents "right", Y forward direction represents "front", Y reverse direction represents "rear", Z forward direction represents "up", and Z reverse direction represents "down".
As shown in fig. 1, the scattered light absorbing device provided by the embodiment of the present invention is used for a high-energy laser system, and includes a support 1, a first absorber 2, a transparent body 3, and a second absorber 4, where the support 1, the transparent body 3, and the second absorber 4 are adapted to enclose to form an enclosed space, and the first absorber 2 is obliquely disposed in the enclosed space for absorbing scattered light.
Specifically, in this embodiment, the scattered light absorption device includes a support 1, a first absorber 2, a light-transmitting body 3 and a second absorber 4, wherein the support 1, the light-transmitting body 3 and the second absorber 4 enclose and form a box body containing a closed space, the first absorber 2 is obliquely disposed in the closed space, when scattered light enters the closed space from the light-transmitting body 3 on one side, the first absorber 2 can absorb the scattered light, and the scattered light that exits from the light-transmitting body 3 on the other side is very little, so that the intensity of the scattered light is effectively reduced, and the scattered light does not reach the threshold of laser damage resistance of the structural material.
The purpose of the first absorber 2 being tilted is to increase the optical path length of the scattered light within the first absorber 2, thereby improving the absorption effect of the first absorber 2 on the scattered light. In addition, the second absorber 4 serves as an auxiliary absorber, and can enhance the effect of the scattered light absorber.
Of these, the first absorber 2 and the second absorber 4 are preferably absorbing glasses, and the light-transmitting body 3 is preferably a light-transmitting glass.
In the embodiment, the first absorber obliquely arranged in the closed space is arranged to absorb the scattered light, so that the optical path of the scattered light in the first absorber is increased, the absorption effect of the first absorber on the scattered light is improved, and meanwhile, particle pollutants generated by impact are remained in the closed space, so that the pollution to a high-energy laser system is reduced.
Optionally, the holder 1, the first absorber 2, the light-transmitting body 3, and the second absorber 4 are plate-shaped structures, one holder 1 is respectively disposed on each of the front and rear sides of the first absorber 2, the two holders 1 are disposed in parallel, one light-transmitting body 3 is respectively disposed on each of the top and the left and right sides of the first absorber 2, the adjacent light-transmitting bodies 3 are perpendicular to each other, the first absorber 2 is disposed perpendicular to any one of the holders 1, and an included angle between the first absorber 2 and any one of the light-transmitting bodies 3 ranges from 30 ° to 60 °.
Specifically, in this embodiment, referring to fig. 1, the holder 1, the first absorber 2, the transparent body 3, and the second absorber 4 are plate-shaped structures, the front side and the back side of the first absorber 2 are respectively provided with one holder 1, the two holders 1 are arranged in parallel, the top and the left side and the right side of the first absorber 2 are respectively provided with one transparent body 3, the adjacent transparent bodies 3 are perpendicular to each other, the first absorber 2 is arranged perpendicular to any one of the holders 1, that is, the plane where the first absorber 2 is located is perpendicular to the plane where the holder 1 is located, the included angle between the first absorber 2 and any one of the transparent bodies 3 is in the range of 30 ° to 60 °, that is, the included angle between the plane where the first absorber 2 is located and the plane where the transparent body 3 is located is in the range of 30 ° to 60 °, wherein the transparent body 3 includes side transparent glasses located at both sides of the first absorber 2, and a transparent glass cover plate located at the top of the first absorber 2, the side light-transmitting glass and the top light-transmitting glass cover plate are vertically arranged, when the angle between the light-transmitting body 3 and the side light-transmitting glass is 30 degrees, the angle between the light-transmitting body 3 and the top light-transmitting glass cover plate is 60 degrees, and vice versa, the first absorber 2 is used for absorbing scattered light, and a proper oblique angle influences the absorption effect of the first absorber 2 on the scattered light; if the included angle between the first absorber 2 and the light-transmitting body 3 is smaller than 30 °, the first absorber 2 and the light-transmitting body 3 tend to be parallel, the optical path of the scattered light in the first absorber 2 is not enough to reduce the intensity of the scattered light below the threshold of laser damage resistance of the structural material, and if the included angle between the first absorber 2 and the light-transmitting body 3 is larger than 60 °, the first absorber 2 and the light-transmitting body 3 tend to be perpendicular, in order to ensure the covering absorption effect of the first absorber 2 on the scattered light, that is, the height of the first absorber 2 is the same as the height of the light-transmitting body 3, the first absorber 2 must be extended longer, so that the overall frame of the first absorber 2 and the scattered light absorber is larger, and thus the absorption on the scattered light is not facilitated.
In this embodiment, by arranging the first absorber perpendicular to the bracket, the included angle between the first absorber and the light-transmitting body ranges from 30 ° to 60 °, so that the first absorber with a suitable size can effectively absorb scattered light.
Optionally, the bracket 1 is detachably connected to the first absorber 2, a second locking groove 12 is disposed on the bracket 1, and a side of the first absorber 2 is adapted to be locked in the second locking groove 12.
Specifically, in this embodiment, as shown in fig. 2, the bracket 1 is detachably connected to the first absorber 2, the bracket 1 is provided with a second locking groove 12, and a side edge of the first absorber 2 is suitable for being locked in the second locking groove 12; the installation of the first absorber 2 may be: set up the support 1 symmetry of both sides and temporarily fixed, second draw-in groove 12 extending direction on the support 1 of both sides is the same, leave the equal-length distance of 2 width with first absorber between the support 1 of both sides, aim at the second draw-in groove 12 of both sides with the side of first absorber 2, insert first absorber 2 to end along the extending direction of second draw-in groove 12, thereby accomplish the assembly of first absorber 2 and support 1, when first absorber 2 need be dismantled under the circumstances such as first absorber 2 inefficacy, can according to the reverse process operation of installation.
In this embodiment, establish in the second draw-in groove through the side card that sets up first absorber, be favorable to the installation and the dismantlement process of first absorber, when first absorber needs to be dismantled under the circumstances such as first absorber inefficacy, can in time change to guarantee the validity of absorption scattered light.
Optionally, the second card slot 12 includes a first front end 121, a first middle section 122 and a first bottom end 123, the side of the first absorber 2 is suitable for being inserted into the second card slot 12 from the first front end 121, the slot width of the second card slot 12 decreases from the first front end 121 to the first middle section 122, and the first bottom end 123 is arc-shaped.
Specifically, in this embodiment, as shown in fig. 2, the second card slot 12 includes a first front end 121, a first middle section 122 and a first bottom end 123, wherein, when the first absorber 2 is installed, the side of the first absorber 2 is aligned to the second card slot 12 on both sides, the side of the first absorber 2 is inserted into the second card slot 12 from the first front end 121 of the second card slot 12, from the first front end 121 to the first middle section 122 of the second card slot 12, the slot width of the second card slot 12 is gradually reduced, which is beneficial to the installation and detachment process of the first absorber 2, and the first bottom end 123 of the second card slot 12 is arc-shaped, which is beneficial to the installation and posture adjustment of the first absorber 2.
In this embodiment, through setting up from the first front end to first middle section of second draw-in groove, the groove width of second draw-in groove is little gradually, is favorable to the installation and the dismantlement process of first absorption body to and the first bottom of second draw-in groove is circular-arcly, is favorable to the installation and the attitude adjustment of first absorption body.
Optionally, the support 1 with the printing opacity body 3 can be dismantled and be connected, set up first draw-in groove 11 on the support 1, the side of the printing opacity body 3 is suitable for the card to establish in first draw-in groove 11.
Specifically, in this embodiment, as shown in fig. 2, the bracket 1 is detachably connected to the light-transmitting body 3, a first slot 11 is disposed on the bracket 1, and a side of the light-transmitting body 3 is suitable for being clamped in the first slot 11; the installation of the light-transmitting body 3 may be: set up the support 1 symmetry of both sides and temporarily fixed, leave the isometric distance of 3 width with the printing opacity bodies between the support 1 of both sides, aim at the first draw-in groove 11 of one side with a side of the printing opacity body 3, insert the printing opacity body 3 to the end along the extending direction of first draw-in groove 11 to accomplish the assembly of printing opacity body 3 and support 1, when needing to dismantle first absorber 2 under the circumstances such as printing opacity body 3 inefficacy, according to the reverse process operation of installation can.
In this embodiment, establish in first draw-in groove through the side card that sets up the printing opacity body, be favorable to the installation and the dismantlement process of the printing opacity body, when the printing opacity body needs to be dismantled under the circumstances such as printing opacity body inefficacy, can in time change to guarantee the validity of absorption scattered light.
Optionally, the first card slot 11 includes a second front end 111 and a second bottom end 113, the side of the light-transmitting body 3 is suitable for being inserted into the first card slot 11 from the second front end 111, the width of the first card slot 11 decreases from the second front end 111 to the second bottom end 113, and the second bottom end 113 is in the shape of an arc.
Specifically, in this embodiment, as shown in fig. 2, the first card slot 11 includes a second front end 111 and a second bottom end 113, wherein, when the light-transmitting body 3 is installed, one side of the light-transmitting body 3 is aligned to the first card slot 11 on one side, the side of the light-transmitting body 3 is inserted into the first card slot 11 from the second front end 111 of the first card slot 11, from the second front end 111 to the second bottom end 113 of the first card slot 11, the width of the first card slot 11 is gradually reduced, which is beneficial to the installation and detachment process of the light-transmitting body 3, the second bottom end 113 of the first card slot 11 is arc-shaped, which is beneficial to the installation and posture adjustment of the light-transmitting body 3.
In this embodiment, through setting up second front end to the second bottom from first draw-in groove, the groove width of first draw-in groove is gradually littleer, is favorable to the installation and the dismantlement process of the printing opacity body to and the second bottom of first draw-in groove is circular-arcly, is favorable to the installation and the gesture adjustment of the printing opacity body.
Optionally, the bracket 1 is detachably connected to the second absorbent body 4, a third locking groove 13 is arranged on the bracket 1, and a side edge of the second absorbent body 4 is suitable for being locked in the third locking groove 13.
As shown in fig. 2, the bracket 1 is detachably connected with the second absorbent body 4, a third locking groove 13 is formed in the bracket 1, and the side edge of the second absorbent body 4 is suitable for being locked in the third locking groove 13; the mounting of the second absorbent body 4 may be: the supports 1 on two sides are symmetrically arranged and temporarily fixed, the extension directions of the third clamping grooves 13 on the supports 1 on two sides are the same, a distance equal to the width of the second absorber 4 is reserved between the supports 1 on two sides, the side edges of the second absorber 4 are aligned to the third clamping grooves 13 on two sides, the second absorber 4 is inserted into the bottom along the extension direction of the third clamping grooves 13, therefore, the assembly of the second absorber 4 and the supports 1 is completed, and when the second absorber 4 needs to be disassembled under the conditions of failure of the second absorber 4 and the like, the operation can be carried out according to the reverse process of installation.
In this embodiment, establish in the third draw-in groove through the side card that sets up the second absorber, be favorable to the installation and the dismantlement process of second absorber, when the second absorber needs to be dismantled under the circumstances such as second absorber inefficacy, can in time change to guarantee the validity of absorbing the scattered light.
Optionally, the third slot 13 includes a third front end 131, a third middle section 132 and a third bottom end 133, the side of the second absorbent body 4 is suitable for being inserted into the third slot 13 from the third front end 131, the width of the third slot 13 decreases from the third front end 131 to the third middle section 132, and the third bottom end 133 is arc-shaped.
Specifically, in this embodiment, as shown in fig. 2, the third slot 13 includes a third front end 131, a third middle section 132 and a third bottom end 133, wherein when the second absorber 4 is installed, the side of the second absorber 4 is aligned with the third slots 13 on both sides, the side of the second absorber 4 is inserted into the third slot 13 from the third front end 131 of the third slot 13, and the width of the third slot 13 decreases gradually from the third front end 131 to the third middle section 132 of the third slot 13, which is beneficial for the installation and removal process of the second absorber 4, and the third bottom end 133 of the third slot 13 is arc-shaped, which is beneficial for the installation and posture adjustment of the second absorber 4.
In this embodiment, through setting up from the third front end to the third middle section of third draw-in groove, the groove width of third draw-in groove is little gradually, is favorable to the installation and the dismantlement process of second absorbent to and the third bottom of third draw-in groove is circular-arcly, is favorable to the installation and the attitude adjustment of second absorbent.
Optionally, the scattered light absorbing device further includes a stopper 5, the stopper 51 includes a first stopper 51, a second stopper 52 and a third stopper 53, the first stopper 51 is used for fixing the first absorber 2 by matching with a fastener, the second stopper 52 is used for fixing the light-transmitting body 3 by matching with a fastener, and the third stopper 53 is used for fixing the second absorber 4 by matching with a fastener.
Specifically, in this embodiment, as shown in fig. 1 and fig. 3 to fig. 5, the scattered light absorbing device further includes a stopper 5, where the stopper 51 includes a first stopper 51, a second stopper 52 and a third stopper 53, where the first stopper 51 cooperates with a fastener to fix the first absorber 2 after the first absorber 2 is inserted into the second slot 12, the second stopper 52 cooperates with a fastener to fix the light-transmitting body 3 after the light-transmitting body 3 is inserted into the first slot 11, the third stopper 53 cooperates with a fastener to fix the second absorber 4 after the second absorber 4 is inserted into the third slot 13, and the third stopper 53 also plays a role of supporting the scattered light absorbing device.
Among them, the first stopper 51, the second stopper 52, and the third stopper 53 are preferably rubber stoppers as elastic protection elements for preventing glass such as the first absorber, the light-transmitting body, and the second absorber from being damaged.
Wherein the scattered light absorbing means can be placed on a glass support base to increase the distance of the second absorber 4 from the placement platform.
In this embodiment, the first absorber, the light-transmitting body, and the second absorber are fixed by the first stopper, the second stopper, and the third stopper, respectively, so that the intensity of the scattered light absorber is improved, and damage to the glass such as the first absorber, the light-transmitting body, and the second absorber is prevented.
Another embodiment of the present invention provides a scattered light absorption system, including a plurality of scattered light absorption devices as described above, the plurality of scattered light absorption devices being arranged in series along an optical path, and wavelength absorption ranges of any two of the scattered light absorption devices are not completely the same.
Specifically, in this embodiment, as shown in fig. 6, the scattered light absorption system includes a plurality of scattered light absorption devices arranged in series along the optical path, and the absorption efficiency of a single scattered light absorption device for the scattered light is greater than 90%, and if two scattered light absorption devices are arranged in series along the optical path, the absorption efficiency for the scattered light is greater than 99%, and so on. Take two scattered light absorption devices that the light path shown in fig. 6 sets up in series as the example, translucent body 3 between two scattered light absorption devices shares, translucent body 3 at the top can adopt the monoblock transparent glass apron, the scattered light can be followed left translucent body 3 and launched into the scattered light absorption system, absorb through left first absorber 2 at first, pass through translucent body 3 in the middle of in proper order and right side first absorber 2 again, last from translucent body 3 on right side to launch, second absorber 4 can regard as supplementary absorption, because the inside confined space that is of two scattered light absorption devices, the particulate contamination that produces when first absorber 2 absorbs the scattered light can remain in the confined space.
As a member mainly absorbing scattered light in the scattered light absorbing device, the first absorber 2 and the second absorber 4 may be absorbing glasses having different absorption wavelengths, the absorbing glasses are classified into various types, and the absorbing glasses are classified according to specific wavelengths, that is, only absorbing a specific wavelength, for example, an absorbing glass having a specific wavelength of 355nm does not absorb light of 1056nm if it does not absorb 355nm, and only absorbs 355nm more effectively, and the absorption of the remaining wavelengths is less. Because the glass belongs to a light-transmitting medium, on one hand, the glass can have residues after absorbing light with a certain wavelength, and on the other hand, the glass can have less and residues of light with other wavelengths, a plurality of scattered light absorption devices which are arranged in series along a light path are arranged to form a scattered light absorption system, and the scattered light with different wavelengths can be effectively absorbed.
In the embodiment, a scattered light absorption system is formed by arranging a plurality of scattered light absorption devices arranged in series along the light path, so that the scattered light with different wavelengths can be effectively absorbed.
Although the present disclosure has been described with reference to the above embodiments, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.
Claims (10)
1. A scattered light absorption device is characterized by being used for a high-energy laser system and comprising a support (1), a first absorber (2), a light-transmitting body (3) and a second absorber (4), wherein the support (1), the light-transmitting body (3) and the second absorber (4) are suitable for enclosing to form a closed space, and the first absorber (2) is obliquely arranged in the closed space and used for absorbing scattered light.
2. The scattered light absorption device according to claim 1, wherein the holder (1), the first absorber (2), the light-transmitting body (3) and the second absorber (4) are of a plate-like structure, the first absorber (2) is provided with one holder (1) at each of the front and rear sides thereof, the two holders (1) are arranged in parallel, the first absorber (2) is provided with one light-transmitting body (3) at each of the top and left and right sides thereof, the adjacent light-transmitting bodies (3) are perpendicular to each other, the first absorber (2) is arranged perpendicular to any one of the holders (1), and the angle between the first absorber (2) and any one of the light-transmitting bodies (3) ranges from 30 ° to 60 °.
3. The scattered light absorption device according to claim 2, characterized in that the bracket (1) is detachably connected with the first absorption body (2), a second clamping groove (12) is arranged on the bracket (1), and the side edge of the first absorption body (2) is suitable for being clamped in the second clamping groove (12).
4. A scattered light absorbing device according to claim 3, wherein the second slot (12) comprises a first front end (121), a first middle section (122) and a first bottom end (123), the side of the first absorber (2) is adapted to be inserted into the second slot (12) from the first front end (121), the slot width of the second slot (12) is gradually reduced along the direction from the first front end (121) to the first middle section (122), and the first bottom end (123) is arc-shaped.
5. The scattered light absorption device according to claim 2, characterized in that the support (1) is detachably connected with the light-transmitting body (3), a first clamping groove (11) is arranged on the support (1), and the side edge of the light-transmitting body (3) is suitable for being clamped in the first clamping groove (11).
6. A scattered light absorption device according to claim 5, wherein the first engaging groove (11) comprises a second front end (111) and a second bottom end (113), the side of the light-transmissive body (3) is adapted to be inserted into the first engaging groove (11) from the second front end (111), the groove width of the first engaging groove (11) is gradually reduced along the direction from the second front end (111) to the second bottom end (113), and the second bottom end (113) is arc-shaped.
7. The scattered light absorption device according to claim 2, characterized in that the bracket (1) is detachably connected with the second absorption body (4), a third clamping groove (13) is arranged on the bracket (1), and the side edge of the second absorption body (4) is suitable for being clamped in the third clamping groove (13).
8. The scattered light absorption device according to claim 7, wherein the third notch (13) comprises a third front end (131), a third middle section (132) and a third bottom end (133), the side of the second absorber (4) is adapted to be inserted into the third notch (13) from the third front end (131), the width of the third notch (13) is gradually reduced along the direction from the third front end (131) to the third middle section (132), and the third bottom end (133) is arc-shaped.
9. The scattered light absorption device according to any one of claims 1 to 8, further comprising a stopper (5), wherein the stopper (5) comprises a first stopper (51), a second stopper (52) and a third stopper (53), wherein the first stopper (51) is used for fixing the first absorber (2) by engaging with a fastener, the second stopper (52) is used for fixing the light-transmitting body (3) by engaging with a fastener, and the third stopper (53) is used for fixing the second absorber (4) by engaging with a fastener.
10. A scattered light absorption system comprising a plurality of scattered light absorption devices according to any one of claims 1 to 9, the plurality of scattered light absorption devices being arranged in series along a light path, and the wavelength absorption ranges of any two of the scattered light absorption devices being not all identical.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211392063.7A CN115793115A (en) | 2022-11-08 | 2022-11-08 | Scattered light absorption device and system |
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| CN202211392063.7A CN115793115A (en) | 2022-11-08 | 2022-11-08 | Scattered light absorption device and system |
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