Probe with sealed structure source window

The utility model relates to a probe with a sealed structure source window. The probe comprises a probe body and a source window body. The source window mounting hole is formed in the side wall of the shell of the probe and is suitable for directly facing the receiver in the probe, the source window body is embedded in the source window mounting hole, it is guaranteed that rock detection light emitted by the receiver can pass through the source window body, and the sealing performance of the probe in the high-temperature and high-pressure environment is further guaranteed. In addition, a sealing groove is formed in the bottom of the source window body in the circumferential direction, a matched sealing ring is arranged in the sealing groove, and the sealing performance of the probe at the position of the source window mounting hole is further improved. The size of the probe is small, the opening diameter of the source window installation hole is fixed, and when the groove diameter of the sealing groove and th