The
optical module provided by the invention comprises a circuit board and a light emitting
assembly, wherein the circuit board is provided with a jack with an opening in one side; the light emitting
assembly comprises a second emitting shell, an upper cover plate, a
laser, a second light path translation
prism and a light
collimator, a clamping groove is formed in the outer side wall of the second emitting shell, the clamping groove is inserted into the
insertion hole through the opening, the upper side of the clamping groove is located on the front side of the circuit board, and the lower side of the clamping groove is located on the back side of the circuit board; the second emission shell comprises a mounting groove, and the upper cover plate covers the opening side of the top surface of the mounting groove; one end of the mounting groove is provided with a notch, and the circuit board on one side of the jack extends into the notch for sealing connection; the
laser is arranged in the mounting groove and is electrically connected with the circuit board extending into the notch; the second light path translation
prism is arranged in the mounting groove and is used for upwards moving the
laser beam on the front surface of the circuit board; one end of the optical
collimator is inserted into the mounting groove, and the other end is hermetically connected with the
optical fiber. According to the invention, through the unique structural design of the light emitting
assembly, the light path is completely sealed and packaged.