CN103487894A - Optical switch - Google Patents
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- CN103487894A CN103487894A CN201310467082.6A CN201310467082A CN103487894A CN 103487894 A CN103487894 A CN 103487894A CN 201310467082 A CN201310467082 A CN 201310467082A CN 103487894 A CN103487894 A CN 103487894A
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Abstract
The invention provides an optical switch. The optical switch comprises a first optical collimator and a second optical collimator, wherein the first optical collimator and the second optical collimator are arranged in an opposite mode, at least one optical fiber is arranged in the first optical collimator, at least two optical fibers are arranged in the second optical collimator, a prism is arranged between the first optical collimator and the second optical collimator, the prism is fixed to a driving device, and the driving device is used for driving the prism to be stretched into or drawn back from the gap between the first optical collimator and the second optical collimator. The prism is provided with a first light-permeable face close to the first optical collimator and a second light-permeable face close to the second optical collimator, a reflection face is arranged between the first light-permeable face and the second light-permeable face, when the prism is stretched into the gap, light beams coming out of the first optical fibers penetrate through the reflection face and then penetrate through one of the second optical fibers, and when the prism is drawn back from the gap, the light beams coming out of the first optical fibers penetrate through the other second optical fiber. The optical switch is simple in structure, low in production cost and small in insertion loss.
Description
Technical field
The present invention relates to a kind of optical device for optical fiber telecommunications system, specifically, relate to a kind of photoswitch.
Background technology
The various photoswitch of a large amount of uses in modern optical fiber telecommunications system, the effect of photoswitch is to realize inciding different exit ports from the light beam of incident port outgoing, thereby realizes control and the selection of light path.
Existing photoswitch can be divided into mechanical photoswitch and utilize magnetic field to realize the magneto-optic shutter of light path control.Magneto-optic shutter need to be used such as devices such as Faraday rotation sheets, and production cost is high, and the structure of mechanical optical switch is comparatively simple, and production cost is usually lower.
The Chinese utility model patent that is CN2793753Y as notification number discloses the innovation and creation of a kind of " two 2 * 2 mechanical type multimode optical switchings " by name, this photoswitch has two optical fiber collimators that are oppositely arranged, in two optical fiber collimators, multifiber all is housed, and be provided with catoptron between two optical fiber collimators, the movement that drives catoptron by drive unit realizes the movement of catoptron between two optical fiber collimators, thereby realizes the switching of light path.Yet this photoswitch relies on catoptron to realize the switching of light path, the mismatch sensitivity of light beam to angle, the reliability of photoswitch is not high, and the insertion loss of photoswitch is larger.
The Chinese utility model patent that notification number is CN2718602Y discloses a kind of small optical switch, referring to Fig. 1, this photoswitch has two optical fiber collimators 10,18, two optical fiber 11,12 are housed in optical fiber collimator 10, two optical fiber 19,20 are housed in optical fiber collimator 18, be provided with two catoptrons 13,17 and prism 14 between optical fiber collimator 10,18, by driving mechanism, drive the input of prism 14 or withdraw switching and the selection that realizes light path.But this photoswitch device used is more, need the device of adjusting also larger, production cost is higher.
The Chinese utility model patent that and for example notification number is CN202771039U discloses the photoswitch that uses hexagonal prism, as shown in Figure 2, this photoswitch has two optical fiber collimators 21,27, two interior two optical fiber 22,23 and 28,29 of being equipped with respectively of optical fiber collimator 21,27, be provided with two double lens arrays 24,26 and hexagonal prism 25 between two optical fiber collimators 21,27, the incision by controlling hexagonal prism 25 and exit the switching that realizes light path.But the device of this photoswitch is more, and production cost is higher.
And U.S. Pat 6823102 discloses a kind of photoswitch that uses roof prism and hexagonal prism, this photoswitch is transformed into directional light by the cross light in the two-wire collimating apparatus, then the exchange of using hexagonal prism to carry out again light path is processed, the input by hexagonal prism with exit the switching that realizes light path.But this photoswitch device used is many, and complex structure, need the device of control also more, the volume production difficulty is large.
Therefore, the Chinese utility model patent that notification number is CN202093205U discloses the innovation and creation of " a kind of Novel mechanical optical switch " by name, this photoswitch has two optical fiber collimators that are oppositely arranged, two optical fiber are housed respectively in two optical fiber collimators, and be provided with the rhombic prism group between two optical fiber collimators, the rhombic prism group is driven by driven unit, the input of this photoswitch by the rhombic prism group or withdraw switching and the selection that realizes light path.
But, because light beam need to just incide on optical fiber on the rhombic prism group after Multi reflection, there is the problem of angle mismatching in light beam after Multi reflection, causes the insertion loss of photoswitch larger, this requirement is controlled accurately to the rhombic prism group.Yet, will increase like this control difficulty of photoswitch, be unfavorable for the application of photoswitch.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of simple in structure, reliability is high and insertion loss is little photoswitch.
In order to realize above-mentioned fundamental purpose, photoswitch provided by the invention comprises and is oppositely arranged the first optical fiber collimator and the second optical fiber collimator, at least one the first optical fiber is housed in the first optical fiber collimator, at least two the second optical fiber are housed in the second optical fiber collimator, be provided with prism between the first optical fiber collimator and the second optical fiber collimator, prism is fixed on drive unit, drive unit is for driving prism to drop into or exit the gap between the first optical fiber collimator and the second optical fiber collimator, wherein, prism has the second transparent surface near the first transparent surface of the first optical fiber collimator and close the second optical fiber collimator, be provided with reflecting surface between the first transparent surface and the second transparent surface, when prism drops into gap, from inciding reflecting surface, the light beam of the first optical fiber outgoing incides second optical fiber, when prism exits gap, another root second optical fiber of light beam incident from the first optical fiber outgoing.
From such scheme, when prism drops into or exits, from the light beam of the first optical fiber outgoing, incide two the second different optical fiber the input by controlling prism or exit the switching that can control light path.And, a prism only is set between two optical fiber collimators, simple in structure, production cost is low.In addition, from the light beam of the first optical fiber outgoing, after the primary event of reflecting surface, can incide the second optical fiber, comparatively simple to the control of prism, and light beam is insensitive to angle mismatching, and the insertion loss of photoswitch is less.
A preferred scheme is that the axis of the axis of the first optical fiber collimator and the second optical fiber collimator is on same straight line, and reflecting surface is parallel to the axis of the first optical fiber collimator.
Further scheme is, the quantity of the first optical fiber that the first optical fiber collimator is in-built is two, when prism exits gap, incide across two the second optical fiber from the light beam of two the first optical fiber outgoing, when prism drops into gap, from the light beam of two the first optical fiber outgoing, incide abreast two the second optical fiber.
Visible, two optical fiber are set in each optical fiber collimator, the photoswitch that above-mentioned photoswitch is 2 * 2, can realize the switching of multichannel light beam.
Optional scheme is, four the first optical fiber are housed in the first optical fiber collimator, four the second optical fiber are housed in the second optical fiber collimator, when prism drops into gap, from the light beam of the first optical fiber outgoing, incide when the second optic fibre light path is different from prism and exits gap and incide the second optic fibre light path from the light beam of the first optical fiber outgoing.
As can be seen here, four optical fiber all are housed in two optical fiber collimators, have realized two 2 * 2 photoswitch, photoswitch can be applied in the occasion that the multichannel light beam is switched, and meets the requirement of the photoswitch under different occasions.
Another optional scheme is, the quantity of the first optical fiber collimator is more than two, the quantity of the second optical fiber collimator is also more than two, and each first optical fiber collimator is corresponding with second optical fiber collimator, the axis of the axis of the first optical fiber collimator and corresponding the second optical fiber collimator is on same straight line.
Visible, many group optical fiber collimators are set respectively in the both sides of prism, realized the integrated of a plurality of photoswitches, be conducive to apply the miniaturization of the optical device of photoswitch.
The accompanying drawing explanation
Fig. 1 is the structural representation of existing a kind of photoswitch.
Fig. 2 is the structural representation of existing another kind of photoswitch.
Fig. 3 is the structural drawing of first embodiment of the invention.
Fig. 4 is index path when in first embodiment of the invention, prism exits gap.
Fig. 5 is equivalent light path figure when in first embodiment of the invention, prism exits gap.
Fig. 6 is index path when in first embodiment of the invention, prism drops into gap.
Fig. 7 is equivalent light path figure when in first embodiment of the invention, prism drops into gap.
Fig. 8 is index path when in second embodiment of the invention, prism exits gap.
Fig. 9 is index path when in second embodiment of the invention, prism drops into gap.
Figure 10 is structural representation when in third embodiment of the invention, prism exits gap.
Figure 11 is equivalent light path figure when in third embodiment of the invention, prism exits gap.
Figure 12 is structural representation when in third embodiment of the invention, prism drops into gap.
Figure 13 is equivalent light path figure when in third embodiment of the invention, prism drops into gap.
Figure 14 is structural representation when in fourth embodiment of the invention, prism exits gap.
Figure 15 is structural representation when in fourth embodiment of the invention, prism drops into gap.
Figure 16 is structural representation when in fifth embodiment of the invention, prism drops into gap.
Figure 17 is structural representation when in sixth embodiment of the invention, prism exits gap.
Figure 18 is structural representation when in sixth embodiment of the invention, prism drops into gap.
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment
Photoswitch of the present invention is mechanical photoswitch, can be 1 * 2 photoswitch, can be also 2 * 2 photoswitch, or photoswitch of two 1 * 2, two 2 * 2 photoswitch etc., and photoswitch of the present invention can also be integrated photoswitch.
The first embodiment:
Referring to Fig. 3, the photoswitch 30 of the present embodiment has housing 31, two optical fiber collimators 32,35 are installed in housing 31, two optical fiber 33,34 are housed in optical fiber collimator 32, two optical fiber 36,37 also are housed in optical fiber collimator 35, and two optical fiber collimators 32,35 are oppositely arranged, and the axis of two optical fiber collimators 32,35 is on same straight line.The end of optical fiber 33,34 passes a sidewall of housing 31 and extends to outside housing 31, and the end of optical fiber 36,37 also passes a sidewall of housing 31 and extends to outside housing 31.Visible, photoswitch 30 can be realized the switching of two-way incident beam, is 2 * 2 photoswitch.
Have gap between two optical fiber collimators 32,35, gap is provided with a prism 40, and prism 40 is fixed on drive unit 38.In the present embodiment, drive unit 38 comprises the relay (invisible in Fig. 3) be arranged in housing 31 and the base 39 driven by relay, and prism 40 is fixed on base 39.Prism 40 is put into the gap between two optical fiber collimators 32,35 or is exited this gap under the driving of drive unit 38, when prism 40 drops into gap and exits, incide optical fiber 36,37 with different light paths from the light beam of optical fiber 33,34 outgoing, thereby realize switching and the selection of light path.
In the present embodiment, the prism that prism 40 is isosceles trapezoid, drive unit 38 drives prism 40 and moves along Y direction, the square that moving direction of prism 40 is Y-axis or the negative direction of Y-axis.
Referring to Fig. 4, when prism 40 exits the gap between two optical fiber collimators 32,35, from the light beam L11 of optical fiber 33 outgoing, be directly incident in optical fiber 37, from the light beam L12 of optical fiber 34 outgoing, be directly incident in optical fiber 36, its equivalent light path figure as shown in Figure 5, now incides two outgoing optical fiber 36,37 from light beam L11, the L12 of 33,34 outgoing of two incident opticals across.Certainly, light beam also can incide optical fiber 33,34 from optical fiber 36,37.
Referring to Fig. 6, prism 40 has two transparent surfaces 41,42 and the reflecting surface 43 between transparent surface 41,42, transparent surface 41 is near a side of optical fiber collimator 32, and transparent surface 42 is near a side of optical fiber collimator 35, two transparent surfaces 41,42 are respectively two waists of isosceles trapezoid, the base that reflecting surface 43 is isosceles trapezoid, the base that the use isosceles trapezoid is grown is as reflecting surface 43.And reflecting surface 43 is parallel to the axis of optical fiber collimator 32.
When prism 40 is put into the gap between two optical fiber collimators 32,35, from inciding transparent surface 41, the light beam L13 of optical fiber 32 outgoing reflects, form light beam L15 and incide reflecting surface 43, light beam L15 reflects after forming light beam L17 and incide transparent surface 42 after reflecting surface 43 reflections again, forms light beam L19 and incides in optical fiber 36.In the same manner, from inciding transparent surface 41, the light beam L14 of optical fiber 33 outgoing reflects, form light beam L16 and incide reflecting surface 43, light beam L16 reflects after forming light beam L18 and incide transparent surface 42 after reflecting surface 43 reflections again, forms light beam L20 and incides in optical fiber 37.Now the equivalent light path figure of photoswitch as shown in Figure 7, is equivalent to incide abreast optical fiber 36,37 from the light beam of optical fiber 33,34 outgoing.Certainly, as light beam, from optical fiber 36,37 outgoing, also can incide abreast in optical fiber 33,34.
For light beam is passed from transparent surface 41,42 better, can on transparent surface 41,42, plate anti-reflection film.And, on reflecting surface 43, total reflection occurs in order to make light beam, the angle between transparent surface 41 and reflecting surface 43 need to meet the requirement of total reflection.For example, select the BK7 material that Schott AG produces to manufacture prism 40, its refractive index is 1.5, the condition that total reflection occurs light beam on reflecting surface 43 is that the angle between transparent surface 41 and reflecting surface 43 is not less than 41.8 °, in the present embodiment, angle between transparent surface 41 and reflecting surface 43 is 45 °, to guarantee light beam, on reflecting surface 43, total reflection occurs.And reflecting surface 43 should be highly smooth and highly clean surface, avoid the total reflection of light beam is impacted.
Because light beam also can be from optical fiber 36,37 outgoing, so the angle between transparent surface 42 and reflecting surface 43 also should be 45 °, and like this, prism 40 is axisymmetric isosceles trapezoid.
Visible, drive the action of prism 40 by relay etc., can realize from the switching of the light path of the light beam of optical fiber 33,34 outgoing, because light beam only passes through the primary event of prism 40 reflectings surface, insensitive to angle mismatching, the insertion loss of photoswitch is little, and simple in structure, production cost is low.
The second embodiment:
The structure of the photoswitch of the present embodiment is identical with the structure of the photoswitch of the first embodiment, just when lens exit two optical fiber collimators, from the light beam of two optical fiber outgoing of an optical fiber collimator, be to incide abreast two optical fiber of another optical fiber collimator.
Referring to Fig. 8, photoswitch has two optical fiber collimators 51,54 that are oppositely arranged, and two optical fiber 52,53 are housed in optical fiber collimator 51, and two optical fiber 55,56 are housed in optical fiber collimator 54.When prism exits the gap between two optical fiber collimators 51,54, from the light beam L21 of optical fiber 52 outgoing, incide optical fiber 55, from the light beam L22 of optical fiber 53 outgoing, inciding optical fiber 56, therefore, is now to incide abreast optical fiber 55,56 from the light beam of optical fiber 52,53 outgoing.
Referring to Fig. 9, when prism 57 is put between two optical fiber collimators 51,54, from inciding the transparent surface 58 of prism 57, the light beam L23 of optical fiber 52 outgoing reflects, form light beam L25 and incide the reflecting surface 60 of prism 57, total reflection occurs and forms light beam L27 to incide on transparent surface 59 in light beam L25 on reflecting surface 60, and the light beam L29 of formation incides in optical fiber 56.In the same manner, from inciding transparent surface 58, the light beam L24 of optical fiber 53 outgoing reflects, form light beam L26 and incide reflecting surface 60, total reflection occurs and forms light beam L28 to incide on transparent surface 59 in light beam L26 on reflecting surface 60, and the light beam L30 of formation incides in optical fiber 55.Visible, from the light beam of optical fiber 52,53 outgoing, be now to incide across optical fiber 55,56.
The present embodiment is also input by driving prism 57 and withdraw switching and the selection that realizes light path, and light beam only incide on outgoing optical fiber through a total reflection, to angle mismatching insensitive.
The 3rd embodiment:
Referring to Figure 10, the photoswitch of the present embodiment has two optical fiber collimators that are oppositely arranged 61,66, and four optical fiber 62,63,64,65 are housed in optical fiber collimator 61, and four optical fiber 67,68,69,70 are housed in optical fiber collimator 66.Referring to Figure 12, be provided with trapezoidal prism 71 between two optical fiber collimators, prism 71 comprises near the transparent surface 73 of the transparent surface 72 of optical fiber collimator 61 1 sides and close optical fiber collimator 66 1 sides, between transparent surface 72 and transparent surface 73, is provided with reflecting surface 74.
And the axis of two optical fiber collimators 61,66 is on same straight line, and reflecting surface 74 is parallel to the axis of optical fiber collimator 61.Prism 71 is driven by drive unit, and is fixed on the base of drive unit, and moves along Y direction.
As seen from Figure 10, when prism 71 exits the gap between two optical fiber collimators 61,66, from optical fiber 62,63,64,65, light beam L31, L32, L33, the L34 of outgoing incide respectively optical fiber 67,68,69,70 respectively, and multiple light beams L31, L32, L33, L34 intersect outgoing, and its equivalent light path figure as shown in figure 11.
When prism 71 is put into the gap between two optical fiber collimators 61,66, from optical fiber 62,63,64,65 light beam L37, L38, the transparent surface 72 that L39, L40 incide respectively prism 71 of outgoing respectively, and on reflecting surface 74, total reflection occurs respectively, the light beam after total reflection incides in optical fiber 67,68,69,70 after transparent surface 73.Now, the equivalent light path figure of photoswitch as shown in figure 13, from the light beam of optical fiber 62 outgoing, finally incide optical fiber 69, from the light beam of optical fiber 63 outgoing, finally incide optical fiber 70, finally incide optical fiber 67 from the light beam of optical fiber 64 outgoing, finally incide optical fiber 68 from the light beam of optical fiber 65 outgoing.
Therefore visible, now optical fiber is not complete intersection, but parallel in twos, when prism drops into or exits gap, from optical fiber 62,63,64,65 outgoing and to incide light beam not identical to the light path of optical fiber 67,68,69,70.Therefore, the present embodiment is the photoswitch of two 2 * 2.
The 4th embodiment:
Referring to Figure 14 and Figure 15, the present embodiment has two optical fiber collimators that are oppositely arranged 81,85, and two optical fiber 82,83 are housed in optical fiber collimator 81, and four optical fiber 86,87,88,89 are housed in optical fiber collimator 85.Be provided with trapezoidal prism 90 between two optical fiber collimators 81,85, prism 90 comprises near the transparent surface 92 of the transparent surface 91 of optical fiber collimator 81 and close optical fiber collimator 85, between transparent surface 91 and transparent surface 92, is provided with reflecting surface 93.Prism 90 is driven by drive unit, and is fixed on drive unit, can drop into or exit the gap between optical fiber collimator 81,85.
The axis of two optical fiber collimators 81,85 is on same straight line, and the reflecting surface 93 of prism 90 is parallel with the axis of optical fiber collimator 81.
From Figure 14, when prism 90 exits the gap between two optical fiber collimators 81,85, incide respectively optical fiber 87,88 now optical fiber outgoing across from light beam L51, the L52 of optical fiber 82,83 outgoing.
From Figure 15, when prism 90 is put into the gap between two optical fiber collimators 81,85, from inciding transparent surface 91, the light beam L53 of optical fiber 82 outgoing reflects, and form light beam L55 and incide reflecting surface 94, then form light beam L57 and incide on transparent surface 93 and form light beam L59 and incide in optical fiber 86.In the same manner, from the light beam L54 of optical fiber 83 outgoing incides transparent surface 91, reflect, and form light beam L56 and incide reflecting surface 94, then form light beam L58 and incide on transparent surface 93 and form light beam L60 and incide in optical fiber 89.Visible, the photoswitch of the present embodiment is the photoswitch of two 1 * 2.
Like this, the input by controlling prism 90 or exit the light path that can change from optical fiber 82,83 outgoing beams, realize the switching of light path.
The 5th embodiment:
Referring to Figure 16, the photoswitch of the present embodiment has the prism 100 of strip, and the xsect of prism 100 is isosceles trapezoid, and prism 100 has two transparent surfaces 101,102 and the reflecting surface 103 between transparent surface 101,102.
The present embodiment has many group optical fiber collimator groups, each group optical fiber collimator group has two optical fiber collimators that are oppositely arranged, two optical fiber are housed in each optical fiber collimator, as an optical fiber collimator of first group of optical fiber collimator is equipped with two optical fiber 111,112, corresponding optical fiber collimator is equipped with two optical fiber 113,114.Two optical fiber collimators of each group optical fiber collimator are corresponding one by one, and the axis of two corresponding optical fiber collimators is on same straight line, and the axis of each group optical fiber collimator group is parallel to reflecting surface 103.
In the same manner, the optical fiber collimator group of second group also comprises two optical fiber collimators that are oppositely arranged, optical fiber 115,116 and optical fiber 117,118 are housed respectively in two optical fiber collimators, the optical fiber collimator group of the 3rd group also comprises two optical fiber collimators that are oppositely arranged, and optical fiber 119,120 and optical fiber 121,122 are housed respectively in two optical fiber collimators.
The 6th embodiment:
Referring to Figure 17 and Figure 18, the present embodiment has two optical fiber collimators that are oppositely arranged, an optical fiber 131 is housed in one of them optical fiber collimator, the axis of 132,133, two optical fiber collimators of two optical fiber is housed in another optical fiber collimator on same straight line.And the gap between two optical fiber collimators is provided with trapezoidal prism 135, prism 135 comprises two transparent surfaces 136,137 and the reflecting surface 138 between transparent surface 136,137, and reflecting surface 138 is parallel with the axis of two optical fiber collimators.
Visible, drop into or exit two gaps between optical fiber collimator by controlling prism 135, can realize realizing 1 * 2 photoswitch from the switching of the light path of the light beam of optical fiber 131 outgoing.And the light beam of photoswitch only can incide on outgoing optical fiber through a total reflection, the angle mismatching of photoswitch is insensitive, reduces the insertion loss of photoswitch.
Certainly, such scheme is only the preferred aforesaid way of the present invention, during practical application, more change can also be arranged, and for example, prism is isosceles trapezoid not necessarily, can be isosceles right triangle, using Suo Dui limit, right angle as reflecting surface; Perhaps, plate high-reflecting film on reflecting surface, also can realize purpose of the present invention.
Change, the transparent surface of prism and the variations such as change of reflecting surface angle of making the material that prism was used finally it is emphasized that and the invention is not restricted to above-mentioned embodiment, as also should be included in the protection domain of the claims in the present invention.
Claims (10)
1. photoswitch, comprise
Be oppositely arranged the first optical fiber collimator and the second optical fiber collimator, at least one the first optical fiber is housed in described the first optical fiber collimator, at least two the second optical fiber are housed in described the second optical fiber collimator;
Be provided with prism between described the first optical fiber collimator and described the second optical fiber collimator, described prism is fixed on drive unit, and described drive unit is for driving described prism to drop into or exit the gap between described the first optical fiber collimator and described the second optical fiber collimator;
It is characterized in that:
Described prism has the second transparent surface near the first transparent surface of described the first optical fiber collimator and close described the second optical fiber collimator, between described the first transparent surface and described the second transparent surface, is provided with reflecting surface;
When described prism drops into described gap, from inciding described reflecting surface, the light beam of described the first optical fiber outgoing incides described second optical fiber; When described prism exits described gap, from described second optical fiber of another root of light beam incident of described the first optical fiber outgoing.
2. photoswitch according to claim 1 is characterized in that:
The axis of the axis of described the first optical fiber collimator and described the second optical fiber collimator is on same straight line, and described reflecting surface is parallel to the axis of described the first optical fiber collimator.
3. photoswitch according to claim 1 and 2 is characterized in that:
The quantity of described the first optical fiber that described the first optical fiber collimator is in-built is two.
4. photoswitch according to claim 3 is characterized in that:
When described prism exits described gap, from the light beam of two described the first optical fiber outgoing, incide across two described the second optical fiber;
When described prism drops into described gap, from the light beam of two described the first optical fiber outgoing, incide abreast two described the second optical fiber.
5. photoswitch according to claim 3 is characterized in that:
When described prism exits described gap, from the light beam of two described the first optical fiber outgoing, incide abreast two described the second optical fiber;
When described prism drops into described gap, from the light beam of two described the first optical fiber outgoing, incide across two described the second optical fiber.
6. photoswitch according to claim 1 and 2 is characterized in that:
Four described the first optical fiber are housed in described the first optical fiber collimator, four described the second optical fiber are housed in described the second optical fiber collimator;
When described prism drops into described gap, from the light beam of described the first optical fiber outgoing, incide when described the second optic fibre light path is different from described prism and exits described gap and incide described the second optic fibre light path from the light beam of described the first optical fiber outgoing.
7. photoswitch according to claim 1 is characterized in that:
The quantity of described the first optical fiber collimator is more than two, the quantity of described the second optical fiber collimator is also more than two, and each described first optical fiber collimator is corresponding with described second optical fiber collimator, the axis of the axis of described the first optical fiber collimator and corresponding described the second optical fiber collimator is on same straight line.
8. photoswitch according to claim 1 and 2 is characterized in that:
Described prism is isosceles trapezoid, the base that described reflecting surface is described isosceles trapezoid.
9. photoswitch according to claim 1 and 2 is characterized in that:
Be coated with anti-reflection film on described the first transparent surface and/or described the second transparent surface.
10. photoswitch according to claim 1 and 2 is characterized in that:
The base that described drive unit has a relay and driven by described relay, described prism is fixed on described base.
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| CN201310467082.6A CN103487894A (en) | 2013-10-09 | 2013-10-09 | Optical switch |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104698544A (en) * | 2015-03-31 | 2015-06-10 | 昂纳信息技术（深圳）有限公司 | 2*2 mechanical optical switch |
| CN110850529A (en) * | 2018-08-21 | 2020-02-28 | 传承光电股份有限公司 | Optical transceiver |
| CN111029887A (en) * | 2019-12-19 | 2020-04-17 | 北京航天控制仪器研究所 | Device and method for stripping polyimide copper-clad wire coating layer |
| CN113376752A (en) * | 2021-06-15 | 2021-09-10 | 安徽大学 | Locking type optical switch |
| TWI738668B (en) * | 2015-09-30 | 2021-09-11 | 日商新力股份有限公司 | Optical communication connector, optical communication cable and electronic equipment |
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| CN202093205U (en) * | 2011-06-21 | 2011-12-28 | 福州高意通讯有限公司 | Novel mechanical optical switch |
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| JPS5716405A (en) * | 1980-07-02 | 1982-01-27 | Sharp Corp | Optical switch |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104698544A (en) * | 2015-03-31 | 2015-06-10 | 昂纳信息技术（深圳）有限公司 | 2*2 mechanical optical switch |
| TWI738668B (en) * | 2015-09-30 | 2021-09-11 | 日商新力股份有限公司 | Optical communication connector, optical communication cable and electronic equipment |
| CN110850529A (en) * | 2018-08-21 | 2020-02-28 | 传承光电股份有限公司 | Optical transceiver |
| CN110850529B (en) * | 2018-08-21 | 2022-04-15 | 传承光电股份有限公司 | Optical transceiver |
| CN111029887A (en) * | 2019-12-19 | 2020-04-17 | 北京航天控制仪器研究所 | Device and method for stripping polyimide copper-clad wire coating layer |
| CN113376752A (en) * | 2021-06-15 | 2021-09-10 | 安徽大学 | Locking type optical switch |
| CN113376752B (en) * | 2021-06-15 | 2022-07-19 | 安徽大学 | Locking type optical switch |
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Application publication date: 20140101 |