<p>➀ Germany faces challenges in laser technology due to reliance on rare earths and crystals from third countries, exacerbated by export restrictions and geopolitical tensions;</p><p>➁ Fraunhofer Institute (IOSB) develops alternative solutions through advanced crystal growth, nonlinear optical materials, and fiber laser technologies to ensure supply chain independence;</p><p>➂ Innovations include improved crystal processing techniques, fiber optics for infrared applications, and robustness testing, showcased at LASER 2025 trade fair in Munich.</p>