Inter-board microwave optical wireless transmission system

Abstract

The invention relates to an inter-board microwave optical wireless transmission system, and the system comprises a light transmitting assembly and a light receiving assembly which are used for realizing inter-board microwave optical signal transmission; the light emitting assembly comprises an emitting end tube shell, a ceramic substrate, an LD chip and a collimating lens, wherein the front end of the emitting end tube shell is provided with a light outlet, the ceramic substrate is installed in the emitting end tube shell, the LD chip is integrated on the ceramic substrate, the collimating lens is located at the front end of the LD chip, and a space isolator is arranged at the front end of the collimating lens. The light receiving assembly comprises a receiving end tube shell, a coupling lens, a substrate and a radio frequency wiring board, wherein the front end of the receiving end tube shell is provided with a light inlet, the coupling lens is installed in the receiving end tube shell, the substrate is arranged at the rear end of the coupling lens, the radio frequency wiring board is electrically connected with the substrate, and a PD chip is integrated on the substrate. By means of the technical scheme, modulation of microwave signals, optical wireless transmission and demodulation of microwave optical modulation signals can be achieved, and then transmission of the microwave optical modulation signals within the distance of 50 mm between boards is achieved.

Description

technical field

[0001] The invention belongs to the technical field of inter-board wireless communication, in particular to an inter-board microwave optical wireless transmission system. Background technique

[0002] The inter-board microwave optical wireless transmission system includes three functions: microwave optical modulation, microwave optical wireless transmission and microwave optical demodulation. Microwave optical modulation modulates microwave signals onto optical signals; microwave optical transmission realizes the wireless transmission function of microwave optical modulation signals ; Microwave optical demodulation demodulates the microwave signal in the received optical modulation signal. The microwave optical transmission system has the advantages of high operating frequency, wide bandwidth, transparent transmission, simple structure, high reliability, and anti-interference. It is widely used in the field of national defense, including electronic countermea...

Images