CN210222295U - Optical fiber collimator adapter integrating light condensation and light filtering - Google Patents
Optical fiber collimator adapter integrating light condensation and light filtering Download PDFInfo
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- CN210222295U CN210222295U CN201921491160.5U CN201921491160U CN210222295U CN 210222295 U CN210222295 U CN 210222295U CN 201921491160 U CN201921491160 U CN 201921491160U CN 210222295 U CN210222295 U CN 210222295U
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Abstract
The utility model discloses a spotlight/optical filtering integrated optical fiber collimator adapter for install optical fiber collimator, it mainly adjusts the mount pad triplex by focusing formula optics collecting lens, extensible filtering subassembly, optical fiber collimator and constitutes. The focusing optical collection lens includes a lens, and a sleeve for lens mounting. The extensible filtering component consists of an adapter frame and a filter or a polaroid arranged in the adapter frame. The optical fiber collimator adjusting and mounting seat is used for fixing the optical fiber collimator and finely adjusting the pitch angle and the yaw angle of the optical fiber collimator through a plurality of threaded rods so as to adjust the incident angle of the optical fiber collimator. The optical fiber collimator adapter integrates the functions of light beam convergence and light filtering, can be provided with a plurality of optical filters or polarizing films in an extensible mode, increases the light flux of the optical fiber collimator, reduces the noise interference of background light, and can be well applied to the fields of industrial field laser detection with strong background light and complex environment and the like.
Description
Technical Field
The utility model relates to an optical fiber coupling and laser detection technical field who has stronger background light interference.
Background
Laser beams have very important application in many fields as a non-contact detection means due to the characteristics of good monochromaticity, collimation, fixed polarization state and the like. Laser inspection systems typically include a laser emitting device and a laser receiving device. In order to facilitate field wiring and improve flexibility of laser detection in an industrial field or a laboratory, an optical fiber collimator is generally required to be used as a laser receiving device, that is, a laser beam transmitted in a free space is coupled into an optical fiber through the optical fiber collimator, and the laser is transmitted to a photoelectric detector through the optical fiber to perform photoelectric signal conversion. Under some complex environments, on one hand, background light is often very strong, the noise intensity of laser detection is increased after the background light enters the optical fiber, and on the other hand, due to the influence of factors such as environmental vibration and remote free space transmission, the phenomena such as shaking and spot increase of a laser beam can occur, and coupling and receiving of the optical fiber collimator are not facilitated.
The utility model provides a spotlight/optical filtering integrated optical fiber collimator adapter for install optical fiber collimator, but equivalent increase optical fiber collimator's clear aperture to collect functions in an organic whole such as optical filtering, polarization state measurement, improved optical fiber collimator's light beam coupling efficiency and quality, be applicable to fields such as the industrial field laser detection that the ambient light is strong, the environment is complicated.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages which will be described later.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a condensing/filtering integrated optical fiber collimator adapter including:
a focusing optical collection lens;
one end of the expandable filtering component is detachably connected with the focusing optical collecting lens; at least one optical filter and/or polarizing film is arranged in the extensible optical filter assembly;
and the optical fiber collimator adjusting mounting seat is detachably connected with the other end of the extensible filtering component.
Preferably, the focusing type optical collecting lens includes: a retractable sleeve; the long-focus convex lens is arranged at the laser incidence end of the telescopic sleeve; a short-focus convex lens arranged at the laser emitting end of the telescopic sleeve; the long-focus convex lens and the short-focus convex lens are coaxially arranged in the telescopic sleeve.
Preferably, the telescopic sleeve comprises an outer sleeve shell and an inner sleeve shell which are connected through threads; the inner wall of the sleeve outer shell is connected with the outer wall of the sleeve inner shell in a matched mode through threads; the long-focus convex lens is arranged in the sleeve outer shell, and the short-focus convex lens is arranged in the sleeve inner shell; and the sleeve outer shell is provided with a fastening screw for fastening the sleeve outer shell and the sleeve inner shell.
Preferably, the extendable filter assembly comprises: one end of the inner thread of the one or more adapter lens frames is in matching connection with the outer thread of the inner shell of the telescopic sleeve, one end of the outer thread of the one or more adapter lens frames is in matching connection with the inner thread of the optical fiber collimator adjusting mounting seat, and the adapter lens frames are in matching connection through the threads; and the optical filter or the polaroid is fixed in the adapter lens frame and is coaxially arranged with the long-focus convex lens and the short-focus convex lens.
Preferably, the fiber collimator adjustment mount includes: the optical fiber collimator base is matched and connected with one end of the adapter mirror bracket through threads; and the angle adjusting threaded rods are in threaded connection with the optical fiber collimator base.
Preferably, the sleeve is made of aluminum alloy or stainless steel, the switching mirror bracket is made of aluminum alloy or stainless steel, and the adjusting mounting seat is made of aluminum alloy or stainless steel.
The utility model discloses at least, include following beneficial effect: the adapter is used for installing the optical fiber collimator, the adapter base and the angle adjusting threaded rod are used for adjusting and fixedly installing the optical fiber collimator, and the threaded rod can finely adjust the pitch angle and the yaw angle of the optical fiber collimator so as to adjust the incident angle of the optical fiber collimator; and the optical fiber collimator adapter adopts a plurality of switching mirror brackets which are connected with each other through head and tail threads, so that the quantity of the filtering components is expanded, a plurality of optical filters or polaroids can be expanded and installed, the light flux of the optical fiber collimator is increased, the noise interference of background light is reduced, the functions of optical filtering, polarization state measurement and the like are integrated, the light beam coupling efficiency and the light beam coupling quality of the optical fiber collimator are improved, and the optical fiber collimator adapter is suitable for the fields of industrial field laser detection and the like with strong background light and complex environment.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Description of the drawings:
FIG. 1 is a diagram of the components of the adapter of the present invention
FIG. 2 is an assembly drawing of the adapter of the present invention
The specific implementation mode is as follows:
the present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
The utility model provides a spotlight/optical filtering integrated optical collimator adapter, include:
a focusing optical collection lens 101;
an expandable filter set 102, one end of which is detachably connected to the focusing optical collecting lens 101; at least one filter 7 and/or polarizer 8 is disposed within expandable filter assembly 102;
a fiber collimator adjustment mount 103 removably coupled to the other end of the expandable filter set 102.
In this technical solution, the focusing optical collecting lens 101 is detachably connected to one end of the expandable optical filtering component 102, so as to implement the light beam converging and filtering functions. The extensible filter set 102 is detachably connected with the other end of the optical fiber collimator adjusting installation seat 103, and can be used for installing a plurality of optical filters 7 or polarizing plates 8 in an extensible manner, so that the light transmission quantity of the optical fiber collimator 100 arranged in the optical fiber collimator adjusting installation seat 103 is increased, and the background light noise interference is reduced.
In the above technical solution, the focusing optical collecting lens 101 includes: an extendable sleeve 11; a long-focus convex lens 4 provided at a laser incident end of the telescopic sleeve 11; the long-focus convex lens 4 belongs to an objective lens, and the clear aperture of the long-focus convex lens is larger than that of the optical fiber collimator 100 arranged in the optical fiber collimator adjusting mounting seat 103; a short-focus convex lens 5 provided at the laser exit end of the telescopic sleeve; the short-focus convex lens 5 belongs to an ocular lens, the clear aperture of the short-focus convex lens is smaller than the clear aperture of the optical fiber collimator 100 arranged in the optical fiber collimator adjusting mounting seat 103, and the long-focus convex lens 4 and the short-focus convex lens 5 are adopted to achieve the purposes of compressing the diameter of an incident beam and increasing the light transmission quantity of the optical fiber probe; the long-focus convex lens 4 and the short-focus convex lens 5 are coaxially arranged in the telescopic sleeve 11, so that the light beam coupling efficiency and quality of the optical fiber collimator are improved.
In the above technical solution, the telescopic sleeve 11 comprises an outer sleeve shell 1 and an inner sleeve shell 3 which are connected by screw threads; the inner wall of the sleeve outer shell 1 is connected with the outer wall of the sleeve inner shell 3 in a matching way through threads; the long-focus convex lens 4 is arranged inside the sleeve outer shell 1, and the short-focus convex lens 5 is arranged inside the sleeve inner shell 3; the telescopic sleeve 11 is telescopic in a thread rotation mode, so that position matching of lens groups with different focal lengths is realized, and focusing is realized; and the sleeve outer shell 1 is provided with a fastening screw for fastening the sleeve outer shell and the sleeve inner shell 3.
In the above technical solution, the expandable optical filter assembly 102 includes one or more adapter frames 6, one end of an internal thread of each adapter frame 6 is in matching connection with an external thread of the inner telescopic housing 3, one end of an external thread of each adapter frame 6 is in matching connection with an internal thread of the optical collimator adjustment mounting base 103, and the adapter frames are in matching connection through threads, so that the number of the optical filter assemblies 102 is expanded; and the optical filter 7 or the polarizing plate 8 is fixed in the adapter lens frame 6 and is coaxially arranged with the long-focus convex lens 4 and the short-focus convex lens 5, so that the functions of optical filtering and polarization state measurement are realized.
In the above technical solution, the optical fiber collimator adjustment mounting seat 103 includes a plurality of angle adjustment threaded rods 10 and an optical fiber collimator base 9, and the optical fiber collimator base 9 is in matching connection with one end of the adapter frame 6 through a thread; the multi-angle adjusting threaded rod 10 is in threaded connection with the optical fiber collimator base 9, can finely adjust the pitch angle and the yaw angle of the optical fiber collimator 100 arranged in the optical fiber collimator adjusting mounting seat 103 so as to adjust the incident angle of the optical fiber collimator 100 arranged in the optical fiber collimator adjusting mounting seat 103, meanwhile, the multi-angle adjusting threaded rod also plays a role in fixing the optical fiber collimator 100 arranged in the optical fiber collimator adjusting mounting seat 103, and the problems that a laser beam can shake and a light spot is increased are solved.
In the above technical scheme, the sleeve 11 is made of an aluminum alloy or stainless steel sleeve, the adapter frame 6 is made of an aluminum alloy or stainless steel adapter frame, and the adjusting mounting seat 103 is made of an aluminum alloy or stainless steel adjusting mounting seat, so that the laser detection device is suitable for the field of laser detection in industrial fields with complex environments.
The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. Applications, modifications and variations of the condensing/filtering integrated fiber collimator adapter of the present invention will be apparent to those skilled in the art.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (6)
1. A condensing/filtering integrated fiber collimator adapter, comprising:
a focusing optical collection lens;
one end of the expandable filtering component is detachably connected with the focusing optical collecting lens; at least one optical filter and/or polarizing film is arranged in the extensible optical filter assembly;
and the optical fiber collimator adjusting mounting seat is detachably connected with the other end of the extensible filtering component.
2. The condensing/filtering integrated fiber collimator adapter according to claim 1, wherein said focusing optical collection lens comprises:
a retractable sleeve;
the long-focus convex lens is arranged at the laser incidence end of the telescopic sleeve;
a short-focus convex lens arranged at the laser emitting end of the telescopic sleeve;
the long-focus convex lens and the short-focus convex lens are coaxially arranged in the telescopic sleeve.
3. The integrated condensing/filtering fiber collimator adapter according to claim 2, wherein said retractable sleeve comprises an outer sleeve shell and an inner sleeve shell connected by threads; the inner wall of the sleeve outer shell is connected with the outer wall of the sleeve inner shell in a matched mode through threads; the long-focus convex lens is arranged in the sleeve outer shell, and the short-focus convex lens is arranged in the sleeve inner shell; and the sleeve outer shell is provided with a fastening screw for fastening the sleeve outer shell and the sleeve inner shell.
4. The integrated condensing/filtering fiber collimator adapter of claim 2, wherein said extendable filter assembly comprises:
one end of the inner thread of the one or more adapter lens frames is in matching connection with the outer thread of the inner shell of the telescopic sleeve, one end of the outer thread of the one or more adapter lens frames is in matching connection with the inner thread of the optical fiber collimator adjusting mounting seat, and the adapter lens frames are in matching connection through the threads;
and the optical filter or the polaroid is fixed in the adapter lens frame and is coaxially arranged with the long-focus convex lens and the short-focus convex lens.
5. The integrated condensing/filtering fiber collimator adapter of claim 4, wherein said fiber collimator adjustment mount comprises:
the optical fiber collimator base is matched and connected with one end of the adapter mirror bracket through threads;
and the angle adjusting threaded rods are in threaded connection with the optical fiber collimator base.
6. The integrated condensing/filtering fiber collimator adapter according to claim 5, wherein the retractable sleeve is made of aluminum alloy or stainless steel sleeve, the adapter frame is made of aluminum alloy or stainless steel adapter frame, and the fiber collimator adjustment mount is made of aluminum alloy or stainless steel adjustment mount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921491160.5U CN210222295U (en) | 2019-09-09 | 2019-09-09 | Optical fiber collimator adapter integrating light condensation and light filtering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921491160.5U CN210222295U (en) | 2019-09-09 | 2019-09-09 | Optical fiber collimator adapter integrating light condensation and light filtering |
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| CN210222295U true CN210222295U (en) | 2020-03-31 |
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| CN201921491160.5U Active CN210222295U (en) | 2019-09-09 | 2019-09-09 | Optical fiber collimator adapter integrating light condensation and light filtering |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112764165A (en) * | 2021-01-12 | 2021-05-07 | 北京凯普林光电科技股份有限公司 | Adjustable optical fiber polarization collimating lens |
| CN113566962A (en) * | 2021-07-27 | 2021-10-29 | 中国科学院国家天文台南京天文光学技术研究所 | Temperature-controllable optical fiber input and output optical filtering system |
| CN114152550A (en) * | 2022-02-10 | 2022-03-08 | 中国科学院大气物理研究所 | Be applied to portable particulate matter particle diameter on-line monitoring device that unmanned aerial vehicle surveyed |
| CN114323666A (en) * | 2021-12-31 | 2022-04-12 | 南京航空航天大学 | Ultraviolet light conduction device for detecting heat release rate of combustion chamber of aircraft engine |
-
2019
- 2019-09-09 CN CN201921491160.5U patent/CN210222295U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112764165A (en) * | 2021-01-12 | 2021-05-07 | 北京凯普林光电科技股份有限公司 | Adjustable optical fiber polarization collimating lens |
| CN112764165B (en) * | 2021-01-12 | 2023-04-11 | 北京凯普林光电科技股份有限公司 | Adjustable optical fiber polarization collimating lens |
| CN113566962A (en) * | 2021-07-27 | 2021-10-29 | 中国科学院国家天文台南京天文光学技术研究所 | Temperature-controllable optical fiber input and output optical filtering system |
| CN114323666A (en) * | 2021-12-31 | 2022-04-12 | 南京航空航天大学 | Ultraviolet light conduction device for detecting heat release rate of combustion chamber of aircraft engine |
| CN114152550A (en) * | 2022-02-10 | 2022-03-08 | 中国科学院大气物理研究所 | Be applied to portable particulate matter particle diameter on-line monitoring device that unmanned aerial vehicle surveyed |
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