39-264 25.4 mm Dia. AR Coated Sapphire Protective Flat Window; t=2.3 mm NIR II 750-1550nm

The 39-264 is a high-quality protective flat window designed for use in the near-infrared (NIR) spectrum, specifically for the 750-1550nm range. This window is sourced from Edmund Optics, a renowned vendor known for their extensive catalog of optical elements.

The window is made from sapphire, a material with the chemical formula Al2O3, and has a diameter of 25.4mm. The thickness of the window is 2.3mm, making it a thin and lightweight option for various applications. The sapphire material is known for its excellent scratch resistance and durability, making it an ideal choice for protective windows.

The 39-264 features anti-reflective (AR) coatings on both the front and back surfaces. These coatings are part of the EDM NIR-II STD CURVE, which is designed to minimize reflection and increase transmission in the NIR spectrum. This makes the window ideal for use in applications where high transmission and low reflection are critical, such as in imaging systems, sensors, and optical instruments.

The window is shaped as a thin lens, which can provide some focusing capabilities depending on the application. However, its primary function is to protect other optical elements from damage while maintaining high transmission and low reflection.

The window is currently in stock and can be purchased directly from the Edmund Optics website using the provided weblink. With its high-quality materials, advanced coatings, and precise specifications, the 39-264 is a reliable and versatile choice for any NIR application.