CN204462494U - A kind of optical attenuator bracing frame and large multiple optical attenuator - Google Patents
A kind of optical attenuator bracing frame and large multiple optical attenuator Download PDFInfo
- Publication number
- CN204462494U CN204462494U CN201520140665.2U CN201520140665U CN204462494U CN 204462494 U CN204462494 U CN 204462494U CN 201520140665 U CN201520140665 U CN 201520140665U CN 204462494 U CN204462494 U CN 204462494U
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- optical attenuator
- attenuator
- support chip
- spacer
- holding piece
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Abstract
The utility model discloses a kind of many attenuators bracing frame and large multiple optical attenuator, base plate combines different-thickness, size, the support chip of shape and spacer, and the cascading that can realize multiple different model attenuator is fixed; Attenuator and the angled placement of logical optical axis, avoid the interference of main optical path glazing; The attenuator of same thickness is left tiltedly, right tiltedly to be used in pairs, compensates light beam deviation; Compact overall structure, takes up room little, facilitates light path arrangement.
Description
Technical field
The utility model relates to a kind of many optical attenuators bracing frame and large multiple optical attenuator, and the compact cascade particularly utilizing bracing frame to realize multiple optical attenuator uses, to realize the optical attenuator of large multiple.
Background technology
In Experiments of Optics, usually need to use multiple optical attenuator, to realize the optical attenuator of multiple order of magnitude.Current optical element supplier both domestic and external comprises stand upright Chinese light, Sigma, Edmound, NewPort etc., and have the monolithic optical element clamping/bracing frame compared with polytypic, multiple combined-type bracing frame then model is little.Existing multiple combined-type bracing frame, the normal direction of the optical mirror slip of support and logical light optical axis coincidence, be easy to produce interference; And when tilting to use, due to its integral frame-type structure, its clear aperature can reduce greatly, but also larger light shaft offset can be produced because of multi-disc superposition.Combinationally use with multiple monolithic optical element bracing frame, one can take larger work space, affects light path arrangement, and two come also greatly to increase the complexity in concrete operations and degree of difficulty.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of many optical attenuators bracing frame, and the cascading utilizing this device can realize multiple attenuator uses, and forms large multiple optical attenuator.
Technical solution of the present utility model is as follows:
A kind of optical attenuator bracing frame, be included in some the holding pieces that base plate is arranged, support chip and spacer, described optical attenuator is arranged on support chip, spacer is provided with between adjacent attenuator, and connected firmly by the holding piece being arranged on optical attenuator two ends, optical attenuator on described optical attenuator in couples level is associated on incident beam, θ is at the optical attenuator of optical attenuator incidence end and the angle of incident beam, the optical attenuator of optical attenuator exit end and the angle of incident beam are-θ, described θ angle is 5 ° ~ 15 °.
In above-mentioned optical attenuator bracing frame, described optical attenuator is circular, described holding piece, support chip and spacer have semicircular light hole, and the light hole radius on described support chip is identical with the radius of attenuator, and the thickness of support chip is identical with attenuator; Little 1mm ~ the 3mm of radius of the light hole radius ratio attenuator on described holding piece and spacer.
In above-mentioned optical attenuator bracing frame, optical attenuator described in root is square, described holding piece, support chip and spacer have square light hole, and the light hole length of side on described support chip is identical with the length of side of attenuator, and the thickness of support chip is identical with attenuator; Little 2mm ~ the 6mm of the length of side of the light hole side ratio attenuator used on described holding piece and spacer.
In above-mentioned optical attenuator bracing frame, described holding piece, support chip and spacer fixed position place have through hole, described base plate is provided with the thru-bolt being parallel to bottom surface, described thru-bolt, through the through hole on holding piece, support chip and spacer, makes it connect firmly.
In above-mentioned optical attenuator bracing frame, described holding piece (2) for the angle of wedge be the wedge shape of θ.
In above-mentioned optical attenuator bracing frame, described optical attenuator quantity is even number sheet.
A kind of large multiple optical attenuator, be included in the some optical attenuators that base plate is arranged, holding piece, support chip and spacer, described optical attenuator is arranged on support chip, spacer is provided with between adjacent attenuator, and connected firmly by the holding piece being arranged on optical attenuator two ends, optical attenuator on described optical attenuator in couples level is associated on incident beam, θ is at the optical attenuator of optical attenuator incidence end and the angle of incident beam, the optical attenuator of optical attenuator exit end and the angle of incident beam are-θ, described θ angle is 5 ° ~ 15 °.
In above-mentioned large multiple optical attenuator, described optical attenuator is circular, described holding piece, support chip and spacer have semicircular light hole, and the light hole radius on described support chip is identical with the radius of attenuator, and the thickness of support chip is identical with attenuator; Little 1mm ~ the 3mm of radius of the light hole radius ratio attenuator on described holding piece and spacer.
In above-mentioned large multiple optical attenuator, described holding piece, support chip and spacer fixed position place have through hole, described base plate is provided with the thru-bolt being parallel to bottom surface, described thru-bolt, through the through hole on holding piece, support chip and spacer, makes it connect firmly.
The utility model adopts the combination of the optical attenuator of paired cascade to realize the large multiple decay of light beam, avoid the interference easily produced during incident light normal incidence on the one hand, on the other hand when cascading uses, clear aperature can not be affected merely because of the increase of attenuator quantity, utilize the modular piece that kind is as far as possible few simultaneously, according to concrete needs when using, assemble the attenuator bracing frame being applicable to varying number, size, shape, there is compact conformation, take up room little, be convenient to the features such as experiment light path arrangement.
Accompanying drawing illustrates:
Fig. 1 is the utility model 2 groups of optical attenuator support frame structure schematic diagram;
Fig. 2 is the utility model 4 groups of optical attenuator support frame structure schematic diagram;
Fig. 3 is the structural representation of the utility model holding piece;
Fig. 4 is the structural representation of the utility model support chip;
Fig. 5 is the structural representation of the utility model spacer;
Fig. 6 is the structural representation of the utility model base plate.
Reference numeral is: 1-base plate; 2-holding piece; 3-support chip; 4-spacer; 5-thru-bolt; 6-clamp nut; 7-light hole; 8-U-shaped elongated hole
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As depicted in figs. 1 and 2, optical attenuator bracing frame is included in some the holding pieces 2 that base plate 1 is arranged, support chip 3 and spacer 4, described optical attenuator is arranged on support chip 3, spacer 4 is provided with between adjacent attenuator, and connected firmly by the holding piece 2 being arranged on optical attenuator two ends, optical attenuator on described optical attenuator in couples level is associated on incident beam, θ is at the optical attenuator of optical attenuator incidence end and the angle of incident beam, the optical attenuator of optical attenuator exit end and the angle of incident beam are-θ, described θ angle is 5 ° ~ 15 °.
Fig. 1 gives 2 groups of optical attenuator support frame structure schematic diagram; Fig. 2 gives 4 groups of optical attenuator support frame structure schematic diagram.Optical attenuator can be circular or square, and when it is for holding piece 2, support chip 3 and spacer 4 having semicircular light hole time circular, the light hole radius on support chip 3 is identical with the radius of attenuator, and thickness is identical with attenuator; Little 1mm ~ the 3mm of radius of the light hole radius ratio attenuator on holding piece 3 and spacer 4.When attenuator is square, holding piece 2, support chip 3 and spacer have square light hole, the light hole length of side on support chip is identical with the length of side of attenuator, and thickness is identical with attenuator; Little 2mm ~ the 6mm of the length of side of the light hole side ratio attenuator used on holding piece 2 and spacer 4.
In Fig. 1 and Fig. 2, holding piece 2, support chip 3 and spacer 4 fixed position place have through hole, base plate 1 is provided with boss, boss is provided with the thru-bolt 5 being parallel to bottom surface, thru-bolt, through the through hole on holding piece 2, support chip 3 and spacer 4, makes attenuator connect firmly.Fig. 1 is assembly, and 2 oblique holding pieces in a left side clip 2 left bearing diagonal sheets, separates, so just constitute a left inclined module in the middle of 2 support chips with 1 oblique spacer in a left side.Equally, 2 oblique holding pieces in the right side clip 2 right bearing diagonal sheets, separate, so just constitute a right inclined module in the middle of 2 support chips with 1 oblique spacer in the right side.A left side is oblique, right oblique two modules are jointly fastening on base plate, just define 2 groups of optical attenuator bracing frames.The attenuator being suitable for only is needed to be inserted in the gap in assembly on support chip.Same reason, can assemble the bracing frame of more attenuators.4 groups of different attenuator supporting structure schematic diagram are given in Fig. 2.Wherein, 1 group is the circular attenuator of Ф 50mm, thick 2mm, and 1 group is the circular attenuator of Ф 30mm, thick 2mm, and 1 group is the square attenuator of length of side 50mm, thick 2mm, and 1 group is the square attenuator of length of side 30mm, thick 2mm.
Fig. 3 ~ Fig. 6 illustrates the structural representation of holding piece, support chip, spacer and base plate.Wherein, holding piece, support chip and spacer all divide left inclined tab and right inclined tab, only give a direction in figure.
Namely large multiple optical attenuator is become after corresponding attenuator installed by above optical attenuator bracing frame, avoid the interference easily produced during incident light normal incidence on the one hand, on the other hand when cascading uses, clear aperature can not be affected merely because of the increase of attenuator quantity, there is compact conformation simultaneously, take up room little, be convenient to test light path arrangement, be convenient to the features such as combination.
Claims (9)
1. an optical attenuator bracing frame, it is characterized in that: be included in upper some the holding pieces (2) arranged of base plate (1), support chip (3) and spacer (4), described optical attenuator is arranged on support chip (3), spacer (4) is provided with between adjacent attenuator, and connected firmly by the holding piece (2) being arranged on optical attenuator two ends, optical attenuator on described optical attenuator in couples level is associated on incident beam, θ is at the optical attenuator of optical attenuator incidence end and the angle of incident beam, the optical attenuator of optical attenuator exit end and the angle of incident beam are-θ, described θ angle is 5 ° ~ 15 °.
2. optical attenuator bracing frame according to claim 1, it is characterized in that: described optical attenuator is for circular, described holding piece (2), support chip (3) and spacer (4) have semicircular light hole, light hole radius on described support chip (3) is identical with the radius of attenuator, and the thickness of support chip (3) is identical with attenuator; Little 1mm ~ the 3mm of radius of the light hole radius ratio attenuator on described holding piece (3) and spacer (4).
3. optical attenuator bracing frame according to claim 1, it is characterized in that: described optical attenuator is square, described holding piece (2), support chip (3) and spacer have square light hole, the light hole length of side on described support chip is identical with the length of side of attenuator, and the thickness of support chip (4) is identical with attenuator; Little 2mm ~ the 6mm of the length of side of the light hole side ratio attenuator used on described holding piece (2) and spacer (4).
4. optical attenuator bracing frame according to claim 1, it is characterized in that: described holding piece (2), support chip (3) and spacer (4) fixed position place have through hole, described base plate (1) is provided with the thru-bolt (5) being parallel to bottom surface, described thru-bolt, through the through hole on holding piece (2), support chip (3) and spacer (4), makes it connect firmly.
5. optical attenuator bracing frame according to claim 1, is characterized in that: described holding piece (2) for the angle of wedge be the wedge shape of θ.
6. optical attenuator bracing frame according to claim 1, is characterized in that: described optical attenuator quantity is even number sheet.
7. a large multiple optical attenuator, it is characterized in that: be included in the some optical attenuators that base plate is arranged, holding piece (2), support chip (3) and spacer (4), described optical attenuator is arranged on support chip (3), spacer (4) is provided with between adjacent attenuator, and connected firmly by the holding piece (2) being arranged on optical attenuator two ends, optical attenuator on described optical attenuator in couples level is associated on incident beam, θ is at the optical attenuator of optical attenuator incidence end and the angle of incident beam, the optical attenuator of optical attenuator exit end and the angle of incident beam are-θ, described θ angle is 5 ° ~ 15 °.
8. large multiple optical attenuator according to claim 7, it is characterized in that: described optical attenuator is for circular, described holding piece (2), support chip (3) and spacer (4) have semicircular light hole, light hole radius on described support chip (3) is identical with the radius of attenuator, and the thickness of support chip (3) is identical with attenuator; Little 1mm ~ the 3mm of radius of the light hole radius ratio attenuator on described holding piece (2) and spacer (4).
9. large multiple optical attenuator according to claim 7, it is characterized in that: described holding piece (2), support chip (3) and spacer (4) fixed position place have through hole, described base plate (1) is provided with the thru-bolt (5) being parallel to bottom surface, described thru-bolt, through the through hole on holding piece (2), support chip (3) and spacer (4), makes it connect firmly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520140665.2U CN204462494U (en) | 2015-03-12 | 2015-03-12 | A kind of optical attenuator bracing frame and large multiple optical attenuator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520140665.2U CN204462494U (en) | 2015-03-12 | 2015-03-12 | A kind of optical attenuator bracing frame and large multiple optical attenuator |
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| CN204462494U true CN204462494U (en) | 2015-07-08 |
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| CN201520140665.2U Expired - Fee Related CN204462494U (en) | 2015-03-12 | 2015-03-12 | A kind of optical attenuator bracing frame and large multiple optical attenuator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445941A (en) * | 2015-12-18 | 2016-03-30 | 南京雨花肿瘤防治研究所 | High power laser attenuator |
-
2015
- 2015-03-12 CN CN201520140665.2U patent/CN204462494U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445941A (en) * | 2015-12-18 | 2016-03-30 | 南京雨花肿瘤防治研究所 | High power laser attenuator |
| CN105445941B (en) * | 2015-12-18 | 2018-01-23 | 南京雨花肿瘤防治研究所 | A kind of high-power laser attenuator |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20180312 |
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| CF01 | Termination of patent right due to non-payment of annual fee |