When selecting a medical laser system, which of the following is not one of the three basic considerations?

When selecting a medical laser system for procedures like hair removal, the fundamental considerations usually focus on the specific attributes of the laser that affect its effectiveness and safety. Wavelength is crucial because different wavelengths penetrate the skin to varying depths and target specific structures, such as melanin in hair follicles. The cooling method is also essential as it helps minimize discomfort and protect the surrounding skin during treatment. Pulse duration refers to the length of time the laser emission occurs, which can impact the efficacy of the hair removal process and also the safety concerning surrounding skin tissue.

In this context, while the power supply is necessary for the operation of any laser system, it is not commonly considered one of the three basic considerations specific to the effectiveness of the laser treatment itself. Instead, it is more associated with operational aspects of the device, rather than the laser’s direct interaction with biological tissue during the procedure. Therefore, focusing on the attributes that directly influence the outcome of a procedure, power supply does not fit into the primary technical criteria for selecting a medical laser system.