CN2513122Y - Reflective light switch - Google Patents
Reflective light switch Download PDFInfo
- Publication number
- CN2513122Y CN2513122Y CN 01263554 CN01263554U CN2513122Y CN 2513122 Y CN2513122 Y CN 2513122Y CN 01263554 CN01263554 CN 01263554 CN 01263554 U CN01263554 U CN 01263554U CN 2513122 Y CN2513122 Y CN 2513122Y
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- CN
- China
- Prior art keywords
- machine
- optical fiber
- double
- wave plate
- optical switch
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Mechanical Light Control Or Optical Switches (AREA)
Abstract
The utility model discloses a reflective light switch, comprising a double optical fiber collimation machine, a reflected wave sheet, a single optical fiber collimation machine, a driving arrangement and a casing; wherein, the fiber core distance of the double optical fiber collimation machine is bigger than the common double optical fiber collimation machine; the reflected wave sheet is fixed at the driving arrangement which is capable of making the reflected wave sheet cut into and exited the optical path; the double optical fiber collimation machine, the reflected wave sheet, the single optical fiber collimation machine and the driving arrangement are fixed at the casing. The reflecting switch adopting the structure above is easy to split light, convenient to adjust and exact to focus light because of the bigger fiber core distance of the double optical fiber collimation machine; and because the discrete single optical fiber collimation machine is movable, convenient to focus light and adjust, having the advantages of exact adjustment, good repeatability, long service time and convenient use.
Description
Technical field
The utility model relates to the mechanical optical switch that plays the switch protecting effect in a kind of optical communication system, optical tests system and the optical sensor system, and especially a kind of N * 2 reflective optical switch comprises 1 * 2 reflective optical switch and 2 * 2 reflective optical switch.
Background technology
Photoswitch is a kind of switching device, and it can be transformed into another loop or path with the signal in optical fiber, integrated optical circuit or other optical waveguide from a loop or path accurately and efficiently.In general N * 2 reflective optical switch, what adopted on the catoptron both sides is common double-fiber collimator, is example as Fig. 1 with 2 * 2 reflective optical switch, the spacing of its two capillary is very little, make the angle of emergent light very little, in debugging, be difficult to alignment light, add very sensitivity of reflected light, angle a little changes all can make light shift very big, be difficult to make light accurately to switch, will cause poor repeatability like this, Insertion Loss is big, life-span is short, is difficult to reach the strict demand to photoswitch.
Summary of the invention
The purpose of this utility model is to provide that a kind of debugging property is good, good reproducibility, long reflective optical switch of life-span.
The utility model adopts following structure to realize above-mentioned purpose, a kind of reflective optical switch comprises a double-fiber collimator, a reflection wave plate, single fiber collimating apparatus, drive unit and shell, wherein said double-fiber collimator fibre core spacing from greater than the fibre core spacing of common double optical fiber collimator from, the reflection wave plate is fixed on the drive unit that can make its incision and exit optical, and double-fiber collimator, reflection wave plate, single fiber collimating apparatus, drive unit all are fixed on the shell.
When adopting a single fiber collimating apparatus is 1 * 2 reflective optical switch.When adopting two single fiber collimating apparatuss is 2 * 2 reflective optical switch.
In addition, can simultaneously plate highly reflecting films, another side plating high antireflection film at the reflection wave plate.
Adopted the reflective optical switch behind the said structure, because the big fibre core spacing of double-fiber collimator makes its easy beam split, be convenient to debugging, accurate to light, and discrete single fiber collimating apparatus is movable, be convenient to light, debugging, advantages such as debugging is accurate, good reproducibility, long, convenient use of life-span are arranged.
Description of drawings
Fig. 1 is existing 2 * 2 reflective optical switch structural drawing.
Fig. 2 is the utility model 2 * 2 reflective optical switch structural representations.
Fig. 3 is that the utility model 2 * 2 reflective optical switch reflect index path when moving on the wave plate.
Fig. 4 is the utility model 2 * 2 reflective optical switch reflections wave plate index path when moving down.
Fig. 5 is that the utility model 1 * 2 reflective optical switch reflects index path when moving on the wave plate.
Fig. 6 is the utility model 1 * 2 reflective optical switch reflection wave plate index path when moving down.
Embodiment
At first see also Fig. 2,2 * 2 reflective optical switch comprise double-fiber collimator 1, single fiber collimating apparatus 3,4, drive unit 5, reflection wave plate 2 and shell 6, wherein the fibre core spacing of double-fiber collimator 1 from greater than the fibre core spacing of common double optical fiber collimator from, reflection wave plate 2 is fixed on the drive unit 5 that can make its incision and exit optical, and double-fiber collimator 1, single fiber collimating apparatus 3,4 and drive unit 5 all are fixed on the shell 6.The big fibre core spacing of double-fiber collimator 1 makes its easy beam split, is convenient to debugging, and discrete single fiber collimating apparatus 3,4 is convenient to light, debugging, and debugging property and repeatability are preferably arranged.
Shown in Fig. 3,4, be that example further specifies principle of work of the present utility model for another example with 2 * 2 reflective optical switch.Light beam 101 is through the port A outgoing of special double-fiber collimator 1, if do not add reflection wave plate 2, light beam 101 will directly enter single fiber collimating apparatus 4 (being port D); Light beam 103 is from single fiber collimating apparatus 3 (being port C) outgoing, if no reflection events wave plate 2, the another port B that light beam 103 will directly enter double-fiber collimator 1 promptly realizes A → D, C → B.After reflection wave plate 2 enters light path, when light beam 101 passes through the port A of double-fiber collimators 1, reflect back into the another port B of double-fiber collimator 1 through reflection wave plate 2, and from the light beam 103 of single fiber collimating apparatus 3 (being port C) outgoing after 2 reflections of reflection wave plate, enter in another single fiber collimating apparatus 4 (being port D) i.e. A → B, C → D, thereby realized the change of light path, reached the purpose of switch switching-over light path.
See also Fig. 5, shown in Figure 6,1 * 2 reflective optical switch principle, when moving exit optical on the reflection wave plate 2, light beam 101 directly enters single fiber collimating apparatus 4 (being port D) after the port A outgoing of double-fiber collimator 1, i.e. A → D is when the reflection wave plate moves up into light path 2 times, light beam 101 is by the port A outgoing of double-fiber collimator 1, after the reflection of reflection wave plate 2, enter another port B, i.e. A → B, thus realize the purpose of switching-over light path.
Claims (4)
1, a kind of reflective optical switch, comprise a double-fiber collimator, a reflection wave plate, single fiber collimating apparatus, drive unit and shell, it is characterized in that described double-fiber collimator fibre core spacing from greater than the fibre core spacing of common double optical fiber collimator from, the reflection wave plate is fixed on the drive unit that can make its incision and exit optical, and double-fiber collimator, reflection wave plate, single fiber collimating apparatus, drive unit all are fixed on the shell.
2, a kind of reflective optical switch according to claim 1 is characterized in that described single fiber collimating apparatus is one.
3, a kind of reflective optical switch according to claim 1 is characterized in that described single fiber collimating apparatus is two.
4,, it is characterized in that described reflection wave plate simultaneously plates highly reflecting films, another side plating high antireflection film according to claim 1,2,3 described a kind of reflective optical switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01263554 CN2513122Y (en) | 2001-11-01 | 2001-11-01 | Reflective light switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01263554 CN2513122Y (en) | 2001-11-01 | 2001-11-01 | Reflective light switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2513122Y true CN2513122Y (en) | 2002-09-25 |
Family
ID=33671119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01263554 Expired - Fee Related CN2513122Y (en) | 2001-11-01 | 2001-11-01 | Reflective light switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2513122Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104345390A (en) * | 2013-07-25 | 2015-02-11 | 福州高意通讯有限公司 | Adjustable light power distributor and distributor array |
| CN106768862A (en) * | 2016-12-19 | 2017-05-31 | 武汉世纪金桥安全技术有限公司 | One kind reflection blocking type fiber switch sensor |
-
2001
- 2001-11-01 CN CN 01263554 patent/CN2513122Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104345390A (en) * | 2013-07-25 | 2015-02-11 | 福州高意通讯有限公司 | Adjustable light power distributor and distributor array |
| CN106768862A (en) * | 2016-12-19 | 2017-05-31 | 武汉世纪金桥安全技术有限公司 | One kind reflection blocking type fiber switch sensor |
| CN106768862B (en) * | 2016-12-19 | 2019-08-16 | 武汉世纪金桥安全技术有限公司 | A kind of reflection blocking type fiber switch sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |