CN212135001U - Optical transceiver module - Google Patents

Abstract

The utility model relates to a light receiving and dispatching subassembly. The utility model aims at providing a yield is high, simple manufacture, heat dispersion are good, the lower light receiving and dispatching subassembly of cost. The technical scheme of the utility model is that: an optical transceiver module, comprising: the optical fiber coupling device comprises a TOSA, a PWDM and a ROSA, wherein a double optical fiber head of the PWDM is respectively connected with a public optical fiber and the TOSA through optical fibers, and a single optical fiber head of the PWDM is coupled with the ROSA in an outgoing light mode; an optical signal sent by the TOSA enters the public optical fiber after being reflected by the WDM filter in the PWDM, and the optical signal from the public optical fiber enters the ROSA after being transmitted by the WDM filter in the PWDM. The utility model is suitable for an optical device field.

Description

Optical transceiver module

Technical Field

The utility model relates to a light receiving and dispatching subassembly. The method is suitable for the field of optical devices.

Background

At present, common optical transceiving components comprise BOSA, FWDM transmitting and receiving optical components and the like, wherein the existing BOSA has low yield, high manufacturing requirement and poor heat dissipation performance; the FWDM transmitting and receiving optical component has high yield, simple manufacture and high material cost, and can be separately designed for heat dissipation.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: aiming at the problems, the optical transceiving component is high in yield, simple to manufacture, good in heat dissipation performance and low in cost.

The utility model adopts the technical proposal that: an optical transceiver module, comprising: the optical fiber coupling device comprises a TOSA, a PWDM and a ROSA, wherein a double optical fiber head of the PWDM is respectively connected with a public optical fiber and the TOSA through optical fibers, and a single optical fiber head of the PWDM is coupled with the ROSA in an outgoing light mode;

an optical signal sent by the TOSA enters the public optical fiber after being reflected by the WDM filter in the PWDM, and the optical signal from the public optical fiber enters the ROSA after being transmitted by the WDM filter in the PWDM.

The PWDM is integral with the ROSA.

The PWDM is placed within a fiber thermal shrink sleeve.

The utility model has the advantages that: the utility model discloses a comparatively low-priced PWDM encapsulation light receiving and dispatching subassembly can have higher yield and lower material cost. The ROSA and the PWDM are integrated into a whole, and the volume is smaller. The utility model discloses mainly constitute by TOSA, ROSA, PWDM triplex, can separately do the heat dissipation design, heat dispersion is good.

Drawings

Fig. 1 is a schematic structural diagram of the embodiment.

1. A TOSA; 2. PWDM; 2-1, WDM filter; 3. ROSA; 4. and (5) optical fiber heat shrinkable sleeves.

Detailed Description

As shown in fig. 1, the present embodiment is an optical transceiver module, which is characterized in that: the optical fiber connector comprises a TOSA, a PWDM and a ROSA, wherein the PWDM and the ROSA are integrated, and a single optical fiber head of the PWDM is directly coupled with the ROSA. In this example, the dual fiber heads of the PWDM are connected to the optical fiber and the common optical fiber, respectively, and are connected to the TOSA via the optical fiber. The PWDM in this embodiment is made smaller in size and can be placed directly inside the fiber thermal shrink sleeve.

In the embodiment, the wavelength of the optical signal sent by the TOSA enables the optical signal to enter the common optical fiber after being reflected by the WDM filter in the PWDM; the wavelength of the optical signal from the common optical fiber is such that the optical signal is transmitted through a WDM filter in the PWDM and into the ROSA.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (3)

1. An optical transceiver module, comprising: the optical fiber coupling device comprises a TOSA, a PWDM and a ROSA, wherein a double optical fiber head of the PWDM is respectively connected with a public optical fiber and the TOSA through optical fibers, and a single optical fiber head of the PWDM is coupled with the ROSA in an outgoing light mode;

an optical signal sent by the TOSA enters the public optical fiber after being reflected by the WDM filter in the PWDM, and the optical signal from the public optical fiber enters the ROSA after being transmitted by the WDM filter in the PWDM.

2. The optical transceiver module of claim 1, wherein: the PWDM is integral with the ROSA.

3. The optical transceiver module of claim 2, wherein: the PWDM is placed within a fiber thermal shrink sleeve.

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