An optical structure that reduces the effects of spontaneous emissions from the active region of a laser. In some embodiments, the plurality of ports may be configured to receive and forward packets within a communications network. The time between the preview scan and the final high quality scan is used to stabilize the lamp. The examining efficiency and the examining accuracy are both improved. The two lateral-view mirrors are placed apart on a rear portion of a vehicle, with a first lateral-view mirror placed between a center portion and a driver’s side of a top surface of a rear portion of a vehicle and a second lateral-view mirror placed between a center portion and a passenger’s side of a top surface of a rear portion of a vehicle. For example, the method collects data associated with the user, wherein the data that is collected comprises social connection data, enhances the data that is collected, receives a request, and generates a response to the request by using a personal value for the user, where the personal value is generated from the data that is enhanced.