Integrated holder laser detection device and detection method

The invention discloses an integrated holder laser detection device and method, and relates to the technical field of laser detection, the integrated holder laser detection device comprises a base assembly, a side plate assembly and a core tube assembly, the base assembly is fixedly connected with the side plate assembly, the vertical cross section of the base assembly is L-shaped, and the side plate assembly is located on the right side face of the upper portion of the base assembly. The side, away from the base assembly, of the side plate assembly is fixedly connected with the core tube assembly, and the core tube assembly is located in the L-shaped groove of the base assembly. A laser detection module, a collimator and a camera module are sequentially arranged on one side of a core tube shell of the core tube assembly, and a calibration gas pool is arranged on the base assembly below the core tube assembly; the technical problems that in the prior art, a gas laser detection device is large in size and low