What is one effective method for reducing the risk of laser exposure during demonstrations?

Using beam suppressors or safety enclosures is an effective method for reducing the risk of laser exposure during demonstrations because these tools physically contain or redirect the laser beam. Beam suppressors are designed to absorb or scatter the laser light, thereby preventing it from reaching unintended areas or individuals. Safety enclosures are barriers that isolate the laser's path and ensure that only authorized personnel are exposed to the beam. This mitigation strategy is essential for maintaining a safe environment, especially when working with high-powered lasers that can cause serious injuries.

Other approaches, such as limiting the number of attendees or conducting demonstrations in low-light environments, may help manage exposure to some degree but do not provide the same level of stringent protection as beam suppressors or enclosures. These alternatives could still lead to unsafe situations if the laser beam is not adequately controlled or contained. Using higher power lasers inherently increases the risk of exposure, making it an unsuitable choice for safety measures. Therefore, utilizing beam suppressors and enclosures stands out as the most effective and reliable method to significantly minimize laser exposure risks.