Composition of the optical emission module

Home / Composition of the optical emission module

An optical module usually consists of an optical transmitting device (TOSA, including a laser), an optical receiving device (ROSA, including a photodetector), functional circuits,main control circuit board (PCBA), housing and optical (electrical) interface and other. An optical emission module including an optical emission element, which is driven by a current. Its primary function is to achieve optoelectronic conversion by converting electrical signals into optical signals and vice versa.

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1 Basics of Optical Emission and Absorption

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Currently in the optical modules we use, 155M, 622M module emission wavelength of 1310nm, using the FP laser, 1550nm wavelength is used

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