CN212647200U - Reflection type magneto-optical switch - Google Patents
Reflection type magneto-optical switch Download PDFInfo
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- CN212647200U CN212647200U CN202021352577.6U CN202021352577U CN212647200U CN 212647200 U CN212647200 U CN 212647200U CN 202021352577 U CN202021352577 U CN 202021352577U CN 212647200 U CN212647200 U CN 212647200U
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Abstract
The utility model discloses a reflection-type magneto-optical switch, including box body, an input, two at least outputs, optical crystal. Wherein, the input is single tail collimator, and output and input setting are in same one side of box body, and optical crystal includes beam splitter prism, speculum, half slide, polarization beam splitter prism, Faraday subassembly, and through the cooperation of various optical crystal, the realization light path is gone on according to the route of setting for, and wherein Faraday subassembly magnetizes the mode and has two kinds: the light path conversion function is realized by controlling the magnetizing mode of the Faraday component. The utility model discloses a Faraday subassembly realizes the light path conversion, has improved switching speed greatly, and each optical crystal adopts the glue that the fixity is good fixed simultaneously, does not have movable part, has also improved device reliability and life greatly.
Description
Technical Field
The present invention relates to an optical device for use in an optical fiber communication system, and in particular to a reflective type magneto-optical switch.
Background
In recent years, the rapid development of high-speed broadband networks has dramatically increased the demand for optical switches. The optical switch plays an important role in the optical network, and there are various implementation methods of the optical switch according to different optical switch principles, such as: traditional mechanical optical switches, micromechanical optical switches, thermo-optical switches, liquid crystal optical switches, electro-optical and acousto-optical switches, magneto-optical switches, etc. Among them, the conventional mechanical optical switch, the micro-mechanical optical switch and the thermo-optical switch are widely used in different occasions due to their respective characteristics.
The mechanical optical switch technology is mature, and the traditional mechanical optical switch has low insertion loss (less than or equal to 2 dB); high isolation (> 45 dB); is not affected by polarization and wavelength. However, since the mechanical optical switch usually uses a relay as a movable component for switching the optical path, the switching speed can only reach millisecond level, which is difficult to meet the application occasion requiring higher switching speed; moreover, due to the existence of movable parts, the performance of the device may be deteriorated after a long time of use; in addition, the volume is large, and the large-scale optical switch matrix is not easy to manufacture. Therefore, the conventional mechanical optical switch is difficult to adapt to the development requirement of the high-speed and large-capacity optical transmission network.
Therefore, how to design an optical switch with a fast switching speed is a technical problem to be solved urgently in the world.
SUMMERY OF THE UTILITY MODEL
Slow to current photoswitch switching speed, the utility model provides a reflection-type magneto-optical switch.
A reflective magneto-optical switch comprising: the box body locates the input and two at least outputs of box body one side, locate in the box body be used for with the optical crystal that the light beam of input outgoing switched between the output, its characterized in that, optical crystal includes:
the first polarization beam splitter prism 5, the first Faraday component 6, the second Faraday component 7, the second polarization beam splitter prism 8 and the first reflector 9 are sequentially arranged along the emergent direction of the input end;
the output mirror, the first output beam splitter prism, the first output half-wave plate, the first output Faraday component, the second output beam splitter prism, the second output Faraday component, the second output half-wave plate and the third output beam splitter prism are sequentially arranged along the incident direction of at least one output end.
Furthermore, all Faraday assemblies at the input end and the output end comprise Faraday crystals and coils, and the magnetizing mode comprises forward magnetizing and reverse magnetizing.
Further, the input end is a single-tail collimator, the output end is provided with two output ends, which are respectively a first output port and a second output port of a first double-tail collimator, the first output port and the second output port have a common incident direction, an output reflector in the incident direction of the first double-tail collimator is a second reflector 10, the first output beam splitter prism is a first beam splitter prism 11, the first output half-wave plate is a first half-wave plate 12, the first output faraday component is a third faraday component 13, the second output beam splitter prism is a second beam splitter prism 14, the second output faraday component is a fourth faraday component 15, the second output half-wave plate is a second half-wave plate 16, and the third output beam splitter prism is a third beam splitter prism 17.
Further, when the first output port of the first double-tail collimator is used as an output port, the first faraday assembly 6, the third faraday assembly 13, and the fourth faraday assembly 15 are positively magnetized, and when the second faraday assembly 7 is negatively magnetized, the light beam emitted by the single-tail collimator passes through the first polarization splitting prism 5, the first faraday assembly 6, the second faraday assembly 7, the second polarization splitting prism 8, the second mirror 10, the first splitting prism 11, the first half-wave plate 12, the third faraday assembly 13, the second splitting prism 14, the fourth faraday assembly 15, the second half-wave plate 16, and the third splitting prism 17 in sequence and is output from the first output port of the first double-tail collimator.
Further, when the second output port of the first double-tail collimator is used as an output end, the first method
When the second Faraday component 7, the third Faraday component 13 and the fourth Faraday component 15 are reversely magnetized, light beams emitted by the single-tail collimator sequentially pass through the first polarization splitting prism 5, the first Faraday component 6, the second Faraday component 7, the second polarization splitting prism 8, the second reflecting mirror 10, the first splitting prism 11, the first half-wave plate 12, the third Faraday component 13, the second splitting prism 14, the fourth Faraday component 15, the second half-wave plate 16 and the third splitting prism 17 and are output from a second output port of the first double-tail collimator.
Furthermore, the input end is a single-tail collimator, the output end is provided with four output ends which are respectively a first output port and a second output port of a first double-tail collimator, a third output port and a fourth output port of a second double-tail collimator, the third output port and the fourth output port have a common incident direction, the output mirror in the incident direction of the second double-tail collimator is a third mirror 18, the first output beam splitter prism is a fourth beam splitter prism 19, the first output half wave plate is a third half wave plate 20, the first output Faraday component is a fifth Faraday component 21, the second output beam splitter prism is a fifth beam splitter prism 22, the second output Faraday component is a sixth Faraday component 23, the second output half wave plate is a fourth half wave plate 24, and the third output beam splitter prism is a sixth beam splitter prism 25.
Further, when a third output port of the second double-tail collimator is used as an output port, the first faraday assembly 6 and the second faraday assembly 7 are magnetized in the forward direction, and the fifth faraday assembly 21 and the sixth faraday assembly 23 are magnetized in the reverse direction, so that the light beam emitted by the single-tail collimator sequentially passes through the first polarization splitting prism 5, the first faraday assembly 6, the second faraday assembly 7, the second polarization splitting prism 8, the first reflector 9, the third reflector 18, the fourth splitting prism 19, the third half-wave plate 20, the fifth faraday assembly 21, the fifth splitting prism 22, the sixth faraday assembly 23, the fourth half-wave plate 24 and the sixth splitting prism 25 and is output from the third output port of the second double-tail collimator.
Further, when a fourth output port of the second double-tail collimator is used as an output port, when the first faraday assembly 6, the second faraday assembly 7, the fifth faraday assembly 21 and the sixth faraday assembly 23 are positively magnetized, the light beam emitted by the single-tail collimator sequentially passes through the first polarization splitting prism 5, the first faraday assembly 6, the second faraday assembly 7, the second polarization splitting prism 8, the first reflector 9, the third reflector 18, the fourth splitting prism 19, the third half-wave plate 20, the fifth faraday assembly 21, the fifth splitting prism 22, the sixth faraday assembly 23, the fourth half-wave plate 24 and the sixth splitting prism 25 to be output from the fourth output port of the second double-tail collimator.
Further, the box body is a sealed box body, and the optical crystal is adhered in the box body through glue.
Compared with the prior art, the utility model discloses following beneficial effect has at least:
1. the magneto-optical effect is utilized, the combination of the coil and the Faraday crystal is used as a key component for realizing the switching of the optical path, and the optical crystal (such as a beam splitting crystal, a lens and the like) with proper specification is used for realizing the switching function of the optical path, so that the switching speed is greatly improved compared with a mechanical optical switch.
2. The debugged crystal is fixed by using the glue with good stability, the process is simple, and no movable part is arranged in the magneto-optical switch, so that the reliability of the device is greatly improved, and the service life of the device is greatly prolonged.
3. The optical path switching of the non-polarization-maintaining polarized light can be realized by using the two polarization splitting prisms.
4. The reflective type magneto-optical switch has a smaller volume than the transmissive type magnetron switch.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural view of a reflection-type magneto-optical switch according to a first embodiment of the present invention;
the system comprises a single-tail collimator 1, a first double-tail collimator 2, a second double-tail collimator 3, a box 4, a first polarization splitting prism 5, a first Faraday component 6, a second Faraday component 7, a second polarization splitting prism 8, a first reflector 9, a second reflector 10, a first splitting prism 11, a first half-wave plate 12, a third Faraday component 13, a second splitting prism 14, a fourth Faraday component 15, a second half-wave plate 16, a third splitting prism 17, a third reflector 18, a fourth splitting prism 19, a third half-wave plate 20, a fifth Faraday component 21, a fifth Faraday prism 22, a sixth Faraday component 23, a fourth half-wave plate 24 and a sixth splitting prism 25.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Thus, a feature indicated in this specification will serve to explain one of the features of an embodiment of the invention, and not to imply that every embodiment of the invention must have the described feature. Further, it should be noted that this specification describes many features. Although some features may be combined to show a possible system design, these features may also be used in other combinations not explicitly described. Thus, the combinations illustrated are not intended to be limiting unless otherwise specified.
The principles and structure of the present invention will be described in detail below with reference to the accompanying drawings and examples.
Fig. 1 is a schematic diagram of a reflection-type magneto-optical switch according to a first embodiment of the present invention, which includes a single-tail collimator 1, a first double-tail collimator 2, a second double-tail collimator 3, an optical crystal, and a box, where the single-tail collimator 1 is used as an input and has only one input port; the first double-tail collimator 2 and the second double-tail collimator 3 jointly form an output, and the output has 4 output ends, which are respectively a first output port of the first double-tail collimator 2, a second output port of the first double-tail collimator 2, a third output port of the second double-tail collimator 3, and a fourth output port of the second double-tail collimator 3. The output end and the input end are arranged on the same side of the box body, and the input end transmits light beams to the output end after deflection and reflection of the optical crystal.
In the embodiment, the optical crystal includes a first polarization beam splitter prism 5, a first faraday assembly 6, a second faraday assembly 7, a second polarization beam splitter prism 8 and a first reflector 9, which are sequentially arranged along the emergent direction of the single-tail collimator; an output reflector, a first output beam splitter prism, a first output half-wave plate, a first output Faraday component, a second output beam splitter prism, a second output Faraday component, a second output half-wave plate and a third output beam splitter prism are sequentially arranged along the incident direction of the first double-tail collimator; the second double-tail collimator comprises an output reflector, a first output beam splitter prism, a first output half-wave plate, a first output Faraday component, a second output beam splitter prism, a second output Faraday component, a second output half-wave plate and a third output beam splitter prism which are sequentially arranged along the incident direction of the second double-tail collimator.
The output reflector arranged along the incident direction of the first double-tail collimator is a second reflector 10, the first output beam splitter prism is a first beam splitter prism 11, the first output half-wave plate is a first half-wave plate 12, the first output Faraday component is a third Faraday component 13, the second output Faraday component is a second beam splitter prism 14, the second output Faraday component is a fourth Faraday component 15, the second output half-wave plate is a second half-wave plate 16, and the third output beam splitter prism is a third beam splitter prism 17; the output reflector arranged along the incident direction of the second double-tail collimator is a third reflector 18, the first output beam splitter prism is a fourth beam splitter prism 19, the first output half-wave plate is a third half-wave plate 20, the first output Faraday component is a fifth Faraday component 21, the second output Faraday component is a fifth beam splitter prism 22, the second output Faraday component is a sixth Faraday component 23, the second output half-wave plate is a fourth half-wave plate 24, and the third output beam splitter prism is a sixth beam splitter prism 25.
The Faraday component comprises a Faraday crystal and a coil, and the Faraday crystal is connected with the coil in a matching way. The magnetizing mode of the Faraday component is divided into two types: forward magnetization and reverse magnetization. The four-way conversion function of the optical path is realized by controlling the combination of the positive and negative magnetization modes of the first Faraday component 6, the second Faraday component 9, the third Faraday component 13, the fourth Faraday component 15, the fifth Faraday component 21 and the sixth Faraday component 23.
The beam splitter prism is used for splitting and deflecting the light beam; the reflector is used for deflecting the light path (the reflector is triangular in the embodiment, and the reflector can actually reflect light beams, and can also be quadrilateral); the half-wave plate is used for rotating the polarization direction; the polarizing beam splitter prism is used for realizing the deflection and folding displacement of the optical path. The optical path is realized to be carried out according to a set route through the matching of various optical crystals.
Optical crystal components such as the beam splitter prism, the reflector, the half-wave plate, the polarization beam splitter prism, the Faraday component and the like are fixed by glue with good stability and are baked under proper conditions, so that the glue is fully cured, and firm bonding is realized. The switch has no movable parts, so that the reliability and the service life of the device are greatly improved.
When the first faraday assembly 6, the third faraday assembly 13, and the fourth faraday assembly 15 are positively magnetized and the second faraday assembly 7 is negatively magnetized, the light beam passes through the optical crystals such as the first polarization beam splitter prism 5, the first faraday assembly 6, the second faraday assembly 7, the second polarization beam splitter prism 8, the second reflecting mirror 10, the first beam splitter prism 11, the first half-wave plate 12, the third faraday assembly 13, the second beam splitter prism 14, the fourth faraday assembly 15, the second half-wave plate 16, and the third beam splitter prism 17, and is output from the first output port of the first double-tail collimator 2.
When the first Faraday assembly 6 is positively charged and the second Faraday assembly 7, the third Faraday assembly 13 and the fourth Faraday assembly 15 are reversely charged, the light beam passes through the first polarization beam splitter prism 5, the first Faraday assembly 6,
And optical crystals such as a second faraday component 7, a second polarization splitting prism 8, a second reflecting mirror 10, a first splitting prism 11, a first half-wave plate 12, a third faraday component 13, a second splitting prism 14, a fourth faraday component 15, a second half-wave plate 16, a third splitting prism 17 and the like are output from a second output port of the first double-tail collimator 2.
When the first faraday assembly 6 and the second faraday assembly 7 are positively charged and the fifth faraday assembly 21 and the sixth faraday assembly 23 are negatively charged, the light beam passes through the optical crystals such as the first polarization beam splitter prism 5, the first faraday assembly 6, the second faraday assembly 7, the second polarization beam splitter prism 8, the first reflector 9, the third reflector 18, the fourth splitter prism 19, the third half-wave plate 20, the fifth faraday assembly 21, the fifth splitter prism 22, the sixth faraday assembly 23, the fourth half-wave plate 24 and the sixth splitter prism 25, and is output from the third output port of the second double-tail collimator.
When the first faraday assembly 6, the second faraday assembly 7, the fifth faraday assembly 21 and the sixth faraday assembly 23 are positively magnetized, the light beam passes through the optical crystals such as the first polarization beam splitter prism 5, the first faraday assembly 6, the second faraday assembly 7, the second polarization beam splitter prism 8, the first reflector 9, the third reflector 18, the fourth beam splitter prism 19, the third half-wave plate 20, the fifth faraday assembly 21, the fifth beam splitter prism 22, the sixth faraday assembly 23, the fourth half-wave plate 24 and the sixth beam splitter prism 25, and is output from the fourth output port of the second double-tail collimator.
In the first embodiment of the scheme, the effect of switching light beams is achieved by controlling the positive and negative magnetizing modes of the Faraday component and the matching use of the optical crystal, so that the input end can respectively correspond to 4 output ends for output.
The utility model discloses still provide the second embodiment, it includes single tail collimator, two tail collimators, optical crystal and box body. The single-tail collimator is used as an input, only one input port is provided, the double-tail collimator is used as an output, and the two output ports are respectively a first output port and a second output port. The output end and the input end are arranged at the same side of the box body, and the light beams are output from the input end to the output end through deflection and reflection of the optical crystal.
The optical crystal of the embodiment comprises a first polarization beam splitter prism, a first Faraday component, a second polarization beam splitter prism and a first reflector which are sequentially arranged along the emergent direction of an input end; the output reflector, the first output beam splitter prism, the first output half-wave plate, the first output Faraday component, the second output beam splitter prism, the second output Faraday component, the second output half-wave plate and the third output beam splitter prism are sequentially arranged along the incident direction of the first output end or the second output end. The output reflector is a second reflector, the first output beam splitter prism is a first beam splitter prism, the first output half-wave plate is a first half-wave plate, the first output Faraday component is a third Faraday component, the second output beam splitter prism is a second beam splitter prism, the second output Faraday component is a fourth Faraday component, the second output half-wave plate is a second half-wave plate, and the third output beam splitter prism is a third beam splitter prism.
The Faraday component has positive and negative magnetization modes, and the two-way conversion function of the optical path is realized by controlling the positive and negative magnetization mode combination of the first Faraday component, the second Faraday component, the third Faraday component and the fourth Faraday component.
When the first Faraday component, the third Faraday component and the fourth Faraday component are positively magnetized and the second Faraday component is reversely magnetized, light beams pass through the first polarization beam splitter prism, the first Faraday component, the second polarization beam splitter prism, the second reflector, the first beam splitter prism, the first half-wave plate, the third Faraday component, the second beam splitter prism, the fourth Faraday component, the second half-wave plate, the third beam splitter prism and other optical crystals and are output from a first output port of the double-tail collimator.
When the first Faraday component is positively charged and the second Faraday component, the third Faraday component and the fourth Faraday component are reversely charged, light beams pass through the first polarization beam splitter prism, the first Faraday component, the second polarization beam splitter prism, the second reflector, the first beam splitter prism, the first half-wave plate, the third Faraday component, the second beam splitter prism, the fourth Faraday component, the second half-wave plate, the third beam splitter prism and other optical crystals and are output from the second output port of the double-tail collimator.
Compared with the first embodiment, the present embodiment has only two output ports, which are the first output port and the second output port of the double-tail collimator, and the switching method is the same as that of the first embodiment.
Meanwhile, based on the first embodiment of the scheme, the first double-tail collimator and the second double-tail collimator can be correspondingly changed into the second single-tail collimator and the third single-tail collimator, the first single-tail collimator is used as an input end, the second single-tail collimator and the third single-tail collimator are respectively used as a first output port and a second output port, and the first light path conversion is realized through the optical crystal and is respectively output from the first output port and the second output port. Compared with the first embodiment, when the single-tail collimator is used as the output, the optical crystal of the single-tail collimator needs to be modified correspondingly on the basis of the first embodiment to meet the corresponding requirements of optical path transmission and switching.
The utility model discloses the magneto-optical switch principle utilizes Faraday optical effect, changes the effect of magneto-optical crystal to incident polarization light polarization plane through the change in plus magnetic field to reach the effect of switching the light path. Compared with the traditional mechanical optical switch, the magneto-optical switch has the advantages of high switching speed, high stability and the like, and compared with other non-mechanical optical switches, the magneto-optical switch has the advantages of low driving voltage, small crosstalk and the like, so that the magneto-optical switch becomes an optical switch with high competitiveness. The utility model discloses a to faraday's control, realize the light path conversion function, the switching speed of magneto-optical switch reaches tens of microseconds levels, compares mechanical photoswitch and improves switching speed greatly.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A reflective magneto-optical switch comprising: the box body locates the input and two at least outputs of box body one side, locate in the box body be used for with the optical crystal that the light beam of input outgoing switched between the output, its characterized in that, optical crystal includes:
the device comprises a first polarization beam splitter prism (5), a first Faraday component (6), a second Faraday component (7), a second polarization beam splitter prism (8) and a first reflector (9) which are sequentially arranged along the emergent direction of an input end;
the output mirror, the first output beam splitter prism, the first output half-wave plate, the first output Faraday component, the second output beam splitter prism, the second output Faraday component, the second output half-wave plate and the third output beam splitter prism are sequentially arranged along the incident direction of at least one output end.
2. A reflective magneto-optical switch according to claim 1, wherein all faraday elements of said input and output terminals comprise a faraday crystal and a coil, and the magnetization mode comprises forward and reverse magnetization.
3. Reflective magneto-optical switch according to claim 2, wherein said input end is a single-tail collimator, the output ends are provided with two output ends which are respectively a first output end and a second output end of the first double-tail collimator, the first output port and the second output port have a common incidence direction, the output reflector in the incidence direction of the first double-tail collimator is a second reflector (10), the first output beam splitter prism is a first beam splitter prism (11), the first output half-wave plate is a first half-wave plate (12), the first output Faraday component is a third Faraday component (13), the second output beam splitter prism is a second beam splitter prism (14), the second output Faraday component is a fourth Faraday component (15), the second output half-wave plate is a second half-wave plate (16), and the third output beam splitter prism is a third beam splitter prism (17).
4. A reflective magneto-optical switch according to claim 3, wherein when said first output port of said first double-tail collimator is used as an output port, the first Faraday component (6), the third Faraday component (13) and the fourth Faraday component (15) are positively charged with magnetism, when the second Faraday component (7) is reversely magnetized, light beams emitted by the single-tail collimator sequentially pass through the first polarization splitting prism (5), the first Faraday component (6), the second Faraday component (7), the second polarization splitting prism (8), the second reflector (10), the first splitting prism (11), the first half-wave plate (12), the third Faraday component (13), the second splitting prism (14), the fourth Faraday component (15), the second half-wave plate (16) and the third splitting prism (17) and are output from a first output port of the first double-tail collimator.
5. A reflective magneto-optical switch according to claim 3, wherein when said first Faraday assembly (6) is positively charged and said second Faraday assembly (7), said third Faraday assembly (13), and said fourth Faraday assembly (15) is negatively charged, when said second output port of said first double-tailed collimator is used as an output,
the light beam emitted by the single-tail collimator sequentially passes through the first polarization beam splitter prism (5), the first Faraday component (6), the second Faraday component (7), the second polarization beam splitter prism (8), the second reflector (10), the first beam splitter prism (11), the first half-wave plate (12), the third Faraday component (13), the second beam splitter prism (14), the fourth Faraday component (15), the second half-wave plate (16) and the third beam splitter prism (17) and is output from the second output port of the first double-tail collimator.
6. A reflective magneto-optical switch according to claim 3, wherein the input port is a single-tailed collimator and the output port is four, respectively a first output port and a second output port of a first double-tailed collimator, a third output port and a fourth output port of a second double-tailed collimator, the third output port and the fourth output port having a common direction of incidence, the output mirror in the direction of incidence of the second double-tailed collimator being a third mirror (18), the first output beam splitter being a fourth beam splitter prism (19), the first output half-wave plate being a third half-wave plate (20), the first output faraday component being a fifth faraday component (21), the second output beam splitter being a fifth beam splitter prism (22), the second output faraday component being a sixth faraday component (23), The second output half-wave plate is a fourth half-wave plate (24), and the third output light splitting prism is a sixth light splitting prism (25).
7. The reflective magneto-optical switch of claim 6, wherein when the third output port of said second double-tailed collimator is an output port, when the first Faraday component (6) and the second Faraday component (7) are positively charged, and the fifth Faraday component (21) and the sixth Faraday component (23) are reversely charged, and light beams emitted by the single-tail collimator sequentially pass through the first polarization splitting prism (5), the first Faraday component (6), the second Faraday component (7), the second polarization splitting prism (8), the first reflector (9), the third reflector (18), the fourth splitting prism (19), the third half-wave plate (20), the fifth Faraday component (21), the fifth splitting prism (22), the sixth Faraday component (23), the fourth half-wave plate (24) and the sixth splitting prism (25) and are output from a third output port of the second double-tail collimator.
8. The reflective magneto-optical switch of claim 6, wherein when the fourth output port of said second double-tailed collimator is taken as an output, when the first Faraday component (6), the second Faraday component (7), the fifth Faraday component (21) and the sixth Faraday component (23) are positively charged, and light beams emitted by the single-tail collimator sequentially pass through the first polarization splitting prism (5), the first Faraday component (6), the second Faraday component (7), the second polarization splitting prism (8), the first reflector (9), the third reflector (18), the fourth splitting prism (19), the third half-wave plate (20), the fifth Faraday component (21), the fifth splitting prism (22), the sixth Faraday component (23), the fourth half-wave plate (24) and the sixth splitting prism (25) and are output from a fourth output port of the second double-tail collimator.
9. A reflective magneto-optical switch according to claim 1, wherein said housing is a sealed housing, and said optical crystal is attached within said housing by glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021352577.6U CN212647200U (en) | 2020-07-10 | 2020-07-10 | Reflection type magneto-optical switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021352577.6U CN212647200U (en) | 2020-07-10 | 2020-07-10 | Reflection type magneto-optical switch |
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| Publication Number | Publication Date |
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| CN212647200U true CN212647200U (en) | 2021-03-02 |
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| CN202021352577.6U Active CN212647200U (en) | 2020-07-10 | 2020-07-10 | Reflection type magneto-optical switch |
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