At Tower Optical, we understand that quality is not just a feature—it's a necessity. Our custom circular and square windows are meticulously crafted to isolate different physical environments while allowing light to pass through seamlessly. When selecting a window, it's crucial to consider the properties of various optical materials, including transmission, wavelength range, and environmental resistance. We offer a diverse selection of materials and a variety of anti-reflective coatings to meet your specific needs.

Our windows are manufactured from high-quality materials such as BK7, UV Grade Fused Silica, and Sapphire. Each material is chosen for its unique properties and suitability for different applications. For those requiring specialized solutions, we also provide custom materials upon request. Our commitment to quality is reflected in the three distinct quality standards we offer, ensuring that you receive the best product for your requirements.

Tower Optical is dedicated to providing precision and excellence in every product. Our windows are crafted with attention to detail, featuring dimensional tolerances and surface quality that meet the highest industry standards. Whether you need standard, high, or laser-grade windows, our products are designed to deliver exceptional performance and reliability. For more information or to discuss custom solutions, please contact our factory directly.