Abstract: A vertical support for a transport robot includes a column assembly and a driving assembly. The vertical support includes a fixed column frame and a movable column frame movably arranged on the fixed column frame. The driving assembly includes a traction assembly and a retractable assembly connected to the traction assembly. The traction assembly is connected to the carrying device and configured to drive a carrying device of the transport robot to move relative to the movable column frame. The traction assembly includes two sets of traction assemblies located at two opposed sides of the carrying device respectively, the retractable assembly is configured to drive the two sets of the traction assemblies to synchronously drive the carrying device to ascend or descend.

Abstract: A monolithic integrated multi-segment cascade optical frequency comb and its chip are disclosed, which belongs to the technical field of sensing detection, quantum information and optical communication technology. The optical frequency comb includes a first semiconductor passive mode-locking laser, a semiconductor optical amplifier, and a second semiconductor passive mode-locking laser sequentially integrated and connected; the first semiconductor passive mode-locking laser includes a first reverse bias absorption area integrated with an optogalvanic distribution grating and a first gain cavity length extender (coupled multi-ring or multi-disk); the second semiconductor passive mode-locking laser includes a second reverse bias absorption area and a second gain cavity length extender (coupled multi-ring or multi-disk); each structure is connected to each other by electrical isolation grooves.

Abstract: A vertical support for a transport robot includes a column assembly and a driving assembly. The vertical support includes a fixed column frame and a movable column frame movably arranged on the fixed column frame. The driving assembly includes a traction assembly and a retractable assembly connected to the traction assembly. The traction assembly is connected to the carrying device and configured to drive a carrying device of the transport robot to move relative to the movable column frame. The traction assembly includes two sets of traction assemblies located at two opposed sides of the carrying device respectively, the retractable assembly is configured to drive the two sets of the traction assemblies to synchronously drive the carrying device to ascend or descend.