Information about lasers can be found on various websites, including manufacturer sites like Coherent and educational resources like Wikipedia. Users seeking to understand lasers should clarify their specific needs, as the topic can range from basic concepts to complex calculations. Basic conceptual illustrations of laser functionality are accessible for high school students, while detailed calculations typically require university-level knowledge. The discussion emphasizes the importance of starting with foundational concepts before delving into advanced topics. Overall, resources are available for both basic understanding and more in-depth study of lasers.