Optical device housing and system

Abstract

The utility model discloses an optical device housing and a system. Comprising a shell body with a mirror cavity, the shell body is provided with an optical port end, a plurality of optical receiving ports and a plurality of optical transmitting ports, and the mirror cavity is internally provided with a wave combining unit and a wavelength division multiplexer, the wave combining unit is used for combining light entering through the optical transmitting ports into emergent combined light, and the wavelength division multiplexer is used for splitting incident combined light entering through the optical port end. The wavelength division multiplexer and the light port end are sequentially arranged on a transmission path of emergent combined light, the wavelength division multiplexer is provided with a plurality of light outlets, the number of the light outlets is the same as that of laser wavelengths in the incident combined light, and each light outlet is provided with a light receiving port opposite to the light outlet. According to the utility model, the wave combining unit used for light wave combining and the wavelength division multiplexers used for splitting the incident combined light at the optical port end to the optical receiving ends are arranged, the optical path is simple, the integration level is high, the reliability is high, the number of parts is reduced, the assembly difficulty is further reduced, the miniaturization design of optical devices is facilitated, and the cost of the optical devices is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of optical communication, and in particular to an optical device housing and a system. Background Art

[0002] As the degree of network integration increases, the requirements for optical devices are also increasing. In order to be compatible with GPON and 10G-PON and support the coexistence of three generations of PON in the same optical module, it is necessary to develop a 50G PON OLT optical module with three modes coexisting. In the optical transmission, a device with three-mode 50G-PON optical devices is required to achieve single-fiber bidirectional transmission and meet the requirements of narrowband wavelength division after 50G-PON wavelength division multiplexing. In existing optical devices, the packaging layout of the shell structure is unreasonable, and more discrete optical lenses are required to achieve the above functions. On the one hand, the device cost is correspondingly increased, and on the other hand, it is not conducive to the miniaturization design of optical devices. Utility Model Content

[0003] In order to solve the above problems, on the one hand, the utility model provides an optical device housing, including a shell body with a mirror cavity, the shell body is provided with an optical port, a plurality of optical receiving ports and a plurality of optical transmitting ports, a combining unit for combining the light entering through the optical transmitting ports into outgoing combined light and a wavelength division multiplexer for demultiplexing the incident combined light entering through the optical port are provided in the mirror cavity, the wavelength division multiplexer and the optical port are sequentially arranged on the transmission path of the outgoing combined light, the wavelength division multiplexer has a plurality of light output ports, the number of the light output ports is the same as the number of laser wavelengths in the incident combined light, and each light output port has a light receiving port arranged opposite to it.

[0004] Furthermore, part of the light receiving port is located on the first wall of the shell body, part of the light receiving port is located on the second wall of the shell body, and the light port end is arranged on the third wall of the shell body. The first wall is opposite to the second wall, and the first wall and the second wall are both perpendicular to the third wall.

[0005] Further, the wavelength division multiplexer includes a glass substrate, a light entrance is provided on a first glass surface of the glass substrate opposite to the third wall surface, a line-plane angle is formed between the first glass surface and the incident combined light entering through the light entrance end, an adjustment unit for reflecting the incident combined light and for transmitting the outgoing combined light is provided on the second glass surface of the glass substrate, and the second glass surface is directly opposite to the first glass surface.

[0006] Furthermore, the adjustment unit includes a first prism, and the first prism is bonded to the second glass surface.

[0007] Furthermore, a plurality of filters are provided on the third glass surface of the glass substrate opposite to the second wall surface, the filter located at the head end matches one of the laser wavelengths in the incident combined light, and the filter located at the end matches one of the laser wavelengths in the incident combined light, and a transmission-enhancing film is provided on the fourth glass surface of the glass substrate opposite to the first wall surface, and the transmission-enhancing film is located on the reflection light path of the filter at the end.

[0008] Furthermore, a second prism is provided on a fourth glass surface of the glass substrate opposite to the first wall surface, and is used to allow light emitted through the fourth glass surface to be incident on a corresponding light receiving port.

[0009] Furthermore, a reflection unit is also provided on the glass substrate, and the reflection unit is located on the reflection light path of the adjustment unit.

[0010] Furthermore, the wave combining unit includes a plurality of diaphragms, each of which is arranged in sequence along the mirror cavity, the two surfaces of the diaphragm at the head end are respectively opposite to two of the light emitting ports, and the remaining diaphragms are respectively arranged opposite to the remaining light emitting ports in a one-to-one matching manner; the surface of each diaphragm facing the wavelength division multiplexer reflects the incident light, and the other surface of the diaphragm transmits the incident light.

[0011] Furthermore, a collimating lens and an isolator are sequentially arranged on the optical path from the wavelength combining unit to the wavelength division multiplexer.

[0012] On the other hand, the utility model also provides an optical device system, including a shell, an adapter, multiple detectors and multiple light emitters, the shell adopts the shell as described above, each of the detectors is connected to each of the light receiving ports one by one, the adapter is connected to the optical port, and each of the light emitters is connected to each of the light emitting ports one by one.

[0013] Due to the adoption of the above technical solution, the utility model has the following beneficial effects compared with the prior art:

[0014] The optical device housing provided by the utility model has a mirror cavity provided with a combining unit for combining the light entering through each optical emission port into an outgoing combined light and a wavelength division multiplexer for dividing the incident combined light entering through the optical port. The wavelength division multiplexer is arranged on the transmission path of the outgoing combined light, so that the optical path is simple, the integration is high, the reliability is high, the number of components is reduced, and the difficulty of assembly is reduced, which is convenient for the miniaturized design of the optical device and reduces the cost of the optical device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 The structure of the optical device housing provided by the utility model is shown in FIG. Figure 1 ;

[0017] Figure 2 The structure of the optical device housing provided by the utility model is shown in FIG. Figure 2 ;

[0018] Figure 3 The structure of the optical device housing provided by the utility model is shown in FIG. Figure 3 ;

[0019] Figure 4 The structure of the optical device housing provided by the utility model is shown in FIG. Figure 4 ;

[0020] Figure 5 A schematic diagram of the structure of a light splitting substrate assembly in an optical device housing provided by the utility model;

[0021] Figure 6 A schematic diagram of the structure of a cover plate in an optical device housing provided by the utility model;

[0022] Figure 7 A schematic diagram of the emission light path with a wavelength of 1342nm in the optical device housing provided by the utility model;

[0023] Figure 8 A schematic diagram of the emission light path with a wavelength of 1490nm in the optical device housing provided by the utility model;

[0024] Fig. 9 A schematic diagram of the emission light path with a wavelength of 1577nm in the optical device housing provided by the utility model;

[0025] Fig.10 A schematic diagram of the emission light path with a wavelength of 1286nm in the optical device housing provided by the utility model;

[0026] Fig.11 A schematic diagram of the emission light path with a wavelength of 1270nm in the optical device housing provided by the utility model;

[0027] Fig.12 This is a schematic diagram of the emission light path with a wavelength of 1310nm in the optical device housing provided by the utility model.

[0028] 1-shell body; 11-first shell part; 12-second shell part; 13-first light emitting port; 14-second light emitting port; 15-third light emitting port; 16-first light receiving port; 17-second light receiving port; 18-optical port; 19-mounting hole; 2-wavelength division multiplexer; 21-glass substrate; 211-third glass surface; 212-fourth glass surface; 213-first glass surface; 214-second glass surface; 215-reflecting surface; 22-filter; 23-first prism; 24-second prism; 3-cover plate; 31-mounting hole; 4-ceramic substrate; 41-fourth placement area; 5-first diaphragm; 51-first placement area; 6-second diaphragm; 61-second placement area; 7-collimating lens; 71-third placement area; 8-isolator; 9-converging lens; 91-fifth placement area; 10-overflow glue groove. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. In the drawings, the size and relative size of some parts may be enlarged for clarity.

[0030] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connection" and "connected" should be interpreted in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] In the description of the present invention, terms such as "upper", "lower", "left", "right", "front", "back", "center", "horizontal", "vertical", "top", "bottom", "inside" and "outside" and other orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0032] In addition, in the description of the present invention, the terms "first" and "second" are only used to distinguish in the description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. In addition, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0033] Example 1

[0034] The utility model provides an optical device housing, comprising a housing body 1 with a mirror cavity, wherein the housing body 1 is provided with an optical port 18, a plurality of optical receiving ports and a plurality of optical transmitting ports, wherein a wavelength division multiplexer 2 for demultiplexing incident combined light entering through the optical port 18 and a multiplexer unit for combining light entering through the optical port 18 into outgoing combined light is provided in the mirror cavity, wherein the wavelength division multiplexer 2 and the optical port 18 are sequentially arranged on a transmission path of the outgoing combined light, wherein the wavelength division multiplexer 2 has a plurality of light output ports, wherein the number of the light output ports is the same as the number of laser wavelengths in the incident combined light, and each light output port has a light receiving port arranged opposite thereto.

[0035] The following is a detailed description of the three-mode 50G-PON optical device housing as an example, as shown in the attached manual. Figure 1-6 shown.

[0036] The shell body includes a first shell part 11 and a second shell part 12. The first shell part 11 is provided with three light emitting ports, namely a first light emitting port 13, a second light emitting port 14 and a third light emitting port 15. The second shell part 12 is provided with a first light receiving port 16, a second light receiving port 17 and an optical port 18. The first shell part 11 is provided with a first mirror cavity connected to each light emitting port. The second shell part 12 is provided with a second mirror cavity connected to the first light receiving port 16, the second light receiving port 17 and the optical port 18 respectively. The first mirror cavity and the second mirror cavity are connected. A combining unit for combining light incident through each light emitting port to the optical port 18 is provided in the first mirror cavity. A wavelength division multiplexer 2 for dividing incident combined light of three different wavelengths incident through the optical port 18 is provided in the second mirror cavity. The wavelength division multiplexer 2 has three light output ports, one of which is opposite to the first light receiving port 16, and the other two are opposite to the second light receiving port 17.

[0037] Specifically, in this embodiment, the shell body 1 is an integrated structure. Of course, the shell body can also be a split structure assembled from a first shell part 11 and a second shell part 12. In this embodiment, the shell body 1 is a stepped structure, wherein the height of the second shell part 12 is greater than the height of the first shell part 11, which is convenient for installing the wavelength division multiplexer 2 in the second mirror cavity.

[0038] Preferably, as shown in the attached instructions Figure 1 As shown, the first light receiving port 16 is located on the first wall of the shell body 1, the second light receiving port 17 is located on the second wall of the shell body 1, and the light port 18 is arranged on the third wall of the shell body 1, and the first wall and the second wall are perpendicular to the third wall.

[0039] Preferably, the wall surface of the shell body 1 where the first light emitting port 13 is located is opposite to the wall surface of the shell body 1 where the optical port 18 is located, the wall surface of the shell body 1 where the second light emitting port 14 is located and the wall surface of the shell body 1 where the third light emitting port 15 is located are both perpendicular to the wall surface of the shell body 1 where the first light emitting port 13 is located, the third light emitting port 15 and the first light receiving port 16 are located on the same side of the shell body 1, and the second light emitting port 14 and the second light receiving port 17 are located on the same side of the shell body 1.

[0040] In an optimized implementation manner, a mounting hole 19 is provided on the second shell portion 12, a cover plate 3 is provided on the mounting hole 19, and the cover plate 3 is detachably connected to the mounting hole 19, so as to facilitate the installation and maintenance of the wavelength division multiplexer 2 in the second mirror cavity.

[0041] In an optimized implementation mode, the wavelength division multiplexer 2 includes a glass substrate 21, a light inlet is provided on a first glass surface 213 of the glass substrate 21 opposite to the third wall surface, a line-plane angle is formed between the first glass surface 213 and the incident combined light entering through the optical port end 18, an adjustment unit for reflecting the incident combined light and transmitting the outgoing combined light is provided on a second glass surface 214 of the glass substrate 21, and the second glass surface 214 is directly opposite to the first glass surface 213. The first glass surface 213 and the light incident through the optical port end 18 have a certain line-plane angle, so that the light incident from the light inlet can be reflected into the glass substrate 21 through the adjustment unit, and reflected in the glass substrate 21 to the corresponding light outlet for emission.

[0042] In an optimized implementation mode, a plurality of filters 22 are provided on the third glass surface 211 of the glass substrate 21, and the third glass surface 211 is opposite to the second light receiving port 17. In this embodiment, four filters 22 are provided, and the adaptation wavelengths of the four filters 22 are different. The wavelengths of two of the lights incident into the wavelength division multiplexer 2 are respectively adapted to two of the filters 22, and can be emitted from the corresponding filters 22 to the second light receiving port 17. In this embodiment, the filters 22 located at the head end and the end are adapted to the two wavelengths of the incident combined light, and are used as the light output port of the wavelength division multiplexer 2. The two lights of different wavelengths after being demultiplexed by the wavelength division multiplexer are incident to the second light receiving port 17. A reflective film and a transmission-enhancing film are provided on the fourth glass surface 212 of the glass substrate 21. The fourth glass surface 212 is opposite to the first light receiving port 16. The transmission-enhancing film is located on the reflection light path of the terminal filter. One of the split-wavelength lights after the wavelength division multiplexer 2 is emitted to the first light receiving port 16 through the transmission-enhancing film. The third glass surface 211 is directly opposite to the fourth glass surface 212.

[0043] In an optimized implementation manner, the adjustment unit includes a first prism 23 , and the first prism 23 is bonded to the second glass surface 214 of the glass substrate 21 ; the first prism 23 is square, and a side wall of the first prism 23 is arranged in contact with the second glass surface 214 .

[0044] In an optimized implementation mode, the combined optical path after passing through the combining unit is incident on the optical port 18 after passing through the wavelength division multiplexer 2. Specifically, the combined optical path goes from the first mirror cavity to the second mirror cavity, and sequentially passes through the first prism 23 and the glass substrate 21 before being incident on the optical port 18. The combined optical path passes through the wavelength division multiplexer 2 before entering the optical port 18, which can effectively reduce the size of the device.

[0045] In an optimized implementation mode, the wavelength division multiplexer 2 also includes a second prism 24 for directing the outgoing light emitted through the transmission-enhancing film to be incident on the first light receiving port 16, and the second prism 24 is disposed on the transmission-enhancing film of the glass substrate 21, and the second prism 24 is a right-angled triangular prism, a right-angled surface of which is attached to the fourth glass surface 212, and the inclined surface of which is the exit surface, facing the first light receiving port 16.

[0046] In an optimized implementation manner, a reflection unit is provided between the fourth glass surface 212 and the first glass surface 213 of the glass substrate 21 , and the reflection unit is located on the reflection light path of the adjustment unit.

[0047] Preferably, the reflection unit includes a reflection surface 215, and the fourth glass surface 212 and the first glass surface 213 of the glass substrate 21 are connected by the reflection surface 215. The light input from the light entrance is reflected by the first reflection unit to the reflection surface 215, and then reflected by the reflection surface 215 to the first side wall until it is emitted from the corresponding light exit.

[0048] An optimized implementation manner further includes a ceramic substrate 4 , and the wavelength division multiplexer 2 is mounted on the ceramic substrate 4 .

[0049] In an optimized implementation mode, the wave combining unit includes a first diaphragm 5 and a second diaphragm 6, and the first diaphragm 5 and the second diaphragm 6 are preferably filters; the first diaphragm 5 is located on the laser input light path of the first light emitting port 13 and the second light emitting port 14, and the first diaphragm 5 is tilted, and the tilt angle is 45°; the second diaphragm 6 is located on the laser input light path of the third light emitting port 15, the second diaphragm 6 is located on the outgoing light path of the first diaphragm 5, and the optical port 18 is located on the outgoing light path of the second diaphragm 6. Specifically The input light of the first light emitting port 13 sequentially passes through the first film 5 and the second film 6 to the second mirror cavity, and then passes through the first prism 23 and the glass substrate 21 to enter the light port 18; the input light of the second light emitting port 14 is sequentially reflected by the first film 5, passes through the second film 6 to the second mirror cavity, and then passes through the first prism 23 and the glass substrate 21 to enter the light port 18; the input light of the third light emitting port 15 passes through the second film 6 to the second mirror cavity, and then passes through the first prism 23 and the glass substrate 21 to enter the light port 18.

[0050] In an optimized implementation mode, a collimating lens 7 and an isolator 8 are sequentially arranged on the optical path from the combining unit to the optical port 18, the collimating lens 7 is located in the first mirror cavity, the isolator 8 is located in the first mirror cavity or the second mirror cavity, and the isolator 8 is shared, which saves the assembly space inside the shell, reduces the influence of optical reflection at the transmitting end, and improves the return loss; preferably, in this embodiment, the isolator 8 is located in the second mirror cavity and is arranged on the ceramic substrate 4, and the isolator 8 is arranged at the end of the first prism 23 away from the glass substrate 21. In this embodiment, the isolator 8 and the wavelength division multiplexer 2 are integrated on the ceramic substrate 4 and assembled into a light splitting component, which has a high degree of integration, can reduce the difficulty of processing and assembly, improve product tolerance, and meet the requirements of wavelength division multiplexing and narrowband wavelength division of three-mode 50GPON.

[0051] In an optimized implementation manner, a converging lens 9 is provided on the optical path from the optical port 18 to the wavelength division multiplexer 2 .

[0052] Preferably, the shell body 1 is provided with placement areas for installing the first diaphragm 5, the second diaphragm 6, the collimating lens 7, the ceramic substrate 4, and the converging lens 9, respectively, and each device is bonded to the corresponding placement area, specifically, the first diaphragm 5 is bonded to the first placement area 51, the second diaphragm 6 is bonded to the second placement area 61, and bevel grooves are designed under the first placement area 51 and the second placement area 61 to prevent direct reflection of the light path and reduce optical crosstalk between the transmitting ends; the collimating lens 7 is arranged in the third placement area 71, the ceramic substrate 4 is bonded to the fourth placement area 41, and the converging lens 9 is arranged in the fifth placement area 91; in order to avoid glue overflow during the bonding process, each placement area is provided with a glue overflow groove 10.

[0053] The steps for assembling the optical device housing of this embodiment are as follows:

[0054] 1. Bond the isolator 8 and the wavelength division multiplexer 2 to the ceramic substrate and assemble them into a splitting substrate assembly. The shear force and reliability meet the industry requirements and ensure the product tolerance;

[0055] 2. The first film 5 and the second film 6 are bonded to the first placement area 51 and the second placement area 61 respectively, the collimating lens 7 is bonded to the third placement area 71, the light splitting substrate assembly obtained in step 1 is bonded to the fourth placement area 41, and the converging lens 9 is bonded to the fifth placement area 91. The shear force and reliability meet the industry requirements, ensuring the ease of operation of the product;

[0056] 3. The cover plate 3 is mounted on the second shell portion 12 by bolt connection or laser welding. In this embodiment, the cover plate is assembled on the shell body by laser welding to ensure the stability of the product.

[0057] The above-mentioned bonding glue is preferably high-reliability epoxy resin glue.

[0058] The shell body 1, cover plate 3 and port require an angle tolerance of ±0.5° and a size tolerance of ±0.05mm, and require root cleaning and flatness treatment for local positions.

[0059] As the instruction manual Figure 7 As shown, it is a schematic diagram of the optical path of the first optical emission port 13. The input light with a wavelength of 1342nm passes through the first optical emission port 13, the first diaphragm 5, the second diaphragm 6, the collimating lens 7, the isolator 8, the wavelength division multiplexer 2, and the converging lens 9 in sequence and then enters the optical port 18.

[0060] As the instruction manual Figure 8 As shown, it is a schematic diagram of the optical path of the second optical emission port 14. The input light with a wavelength of 1490nm passes through the second optical emission port 14, the first diaphragm 5, the second diaphragm 6, the collimating lens 7, the isolator 8, the wavelength division multiplexer 2, and the converging lens 9 in sequence and then enters the optical port 18.

[0061] As the instruction manual Fig. 9 As shown, it is a schematic diagram of the optical path of the third optical emission port 15. The input light with a wavelength of 1577nm passes through the third optical emission port 15, the second diaphragm 6, the collimating lens 7, the isolator 8, the wavelength division multiplexer 2, and the converging lens 9 in sequence and then enters the optical port 18.

[0062] As the instruction manual Fig.10 As shown, the input light with a wavelength of 1286 nm is incident into the second optical receiving port 17 after passing through the optical port 18 , the converging lens 9 , and the wavelength division multiplexer 2 in sequence.

[0063] As the instruction manual Fig.11 As shown, the input light with a wavelength of 1270 nm is incident into the second optical receiving port 17 after passing through the optical port 18 , the converging lens 9 , and the wavelength division multiplexer 2 in sequence.

[0064] As the instruction manual Fig.12 As shown, the input light with a wavelength of 1310 nm is incident into the first optical receiving port 16 after passing through the optical port 18 , the converging lens 9 , and the wavelength division multiplexer 2 in sequence.

[0065] Example 2

[0066] The utility model also provides an optical device system, including a shell, an adapter, multiple detectors and multiple light emitters, the shell adopts the shell described in Example 1, each of the detectors is connected to each of the light receiving ports one by one, the adapter is connected to the light port, and each of the light emitters is connected to each of the light emitting ports one by one.

[0067] Taking the three-mode 50G-PON optical device system as an example, it includes a shell, a first detector, a second detector, an optical port and three optical transmitters. The shell adopts the shell described in Example 1, the first detector is connected to the first optical receiving port 16, and is used to receive light with a wavelength of 1310nm, the second detector is connected to the second optical receiving port 17, and is used to receive light with wavelengths of 1286nm and 1270nm, and the optical port is connected to the optical port 18, and is used to emit light with wavelengths of 1310nm, 1286nm, and 1270nm; the three optical transmitters are respectively connected to the three optical transmission ports one by one, and are respectively used to emit light with wavelengths of 1342nm, 1490nm, and 1577nm.

[0068] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0069] Those skilled in the art will appreciate that the present invention can be implemented in many other specific forms without departing from the spirit and scope of the present invention. Although the embodiments of the present invention have been described, it should be understood that the present invention should not be limited to this embodiment, and those skilled in the art can make changes and modifications within the spirit and scope of the present invention as defined by the attached claims.

Claims

1. An optical device housing, comprising a housing body having a mirror cavity, characterized in that: The shell body is provided with an optical port, a plurality of optical receiving ports and a plurality of optical transmitting ports. A combining unit for combining the light entering through the optical transmitting ports into outgoing combined light and a wavelength division multiplexer for demultiplexing the incident combined light entering through the optical port are provided in the mirror cavity. The wavelength division multiplexer and the optical port are sequentially arranged on the transmission path of the outgoing combined light. The wavelength division multiplexer has a plurality of optical output ports, the number of which is the same as the number of laser wavelengths in the incident combined light, and each optical output port has an optical receiving port arranged opposite to it.

2. The optical device housing according to claim 1, characterized in that: Part of the light receiving port is located on the first wall of the shell body, part of the light receiving port is located on the second wall of the shell body, and the light port end is arranged on the third wall of the shell body. The first wall is opposite to the second wall, and the first wall and the second wall are both perpendicular to the third wall.

3. The optical device housing according to claim 2, characterized in that: The wavelength division multiplexer includes a glass substrate, a light entrance is provided on a first glass surface of the glass substrate opposite to the third wall surface, a line-plane angle is formed between the first glass surface and the incident combined light entering through the light entrance end, an adjustment unit for reflecting the incident combined light and transmitting the outgoing combined light is provided on the second glass surface of the glass substrate, and the second glass surface is directly opposite to the first glass surface.

4. The optical device housing according to claim 3, characterized in that: The adjustment unit includes a first prism, and the first prism is bonded to the second glass surface.

5. The optical device housing according to claim 3, characterized in that: A plurality of filters are arranged on the third glass surface of the glass substrate opposite to the second wall surface, the filter located at the head end matches one of the laser wavelengths in the incident combined light, and the filter located at the end matches one of the laser wavelengths in the incident combined light, and a transmission-enhancing film is arranged on the fourth glass surface of the glass substrate opposite to the first wall surface, and the transmission-enhancing film is located on the reflection light path of the filter at the end.

6. The optical device housing according to claim 3, characterized in that: A second prism is provided on a fourth glass surface of the glass substrate opposite to the first wall surface, and is used to allow light emitted through the fourth glass surface to be incident on a corresponding light receiving port.

7. The optical device housing according to claim 3, characterized in that: A reflection unit is also provided on the glass substrate, and the reflection unit is located on the reflection light path of the adjustment unit.

8. The optical device housing according to claim 1, characterized in that: The wave combining unit includes a plurality of diaphragms, each of which is arranged in sequence along the mirror cavity, the two surfaces of the diaphragm at the head end are respectively opposite to two of the light emitting ports, and the remaining diaphragms are respectively arranged opposite to the remaining light emitting ports in a one-to-one matching manner; the surface of each diaphragm facing the wavelength division multiplexer reflects the incident light, and the other surface of the diaphragm transmits the incident light.

9. The optical device housing according to claim 1, characterized in that: A collimating lens and an isolator are arranged in sequence on the optical path from the wave combining unit to the wavelength division multiplexer.

10. An optical device system, comprising a housing, an adapter, a plurality of detectors and a plurality of light emitters, characterized in that: The shell adopts the shell described in any one of claims 1-9, each of the detectors is connected to each of the light receiving ports one by one, the adapter is connected to the light port, and each of the light emitters is connected to each of the light emitting ports one by one.

Images