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Thorlabs Adds Textured Broadband Antireflective Windows to Its Portfolio

Textured AR Window

Newton, NJ – August 15, 2022 – Thorlabs is pleased to announce the release of a new line of broadband antireflective windows based on its proprietary textured surface technology. The availability of high-transmission and low reflectance optical windows is critical for next generation laser and sensing applications.

These new textured broadband antireflective windows are sub-wavelength nanostructures created on the surface of a UV fused silica substrate to provide broadband antireflection effects for many applications. The windows exhibit high transmission (>= 98.0%) and low reflection (<0.25%/surface) over a broad wavelength range from UV to NIR (400 nm to 1100 nm). For laser applications, these optics provide high optical performance, high laser-damage resistance (>30 J/cm2), and low surface absorption, leading to long-term beam stability and robustness.

Ryan Priore, Technology Manager for Thorlabs’ South-Carolina-based optics group, said, “Thorlabs has a long history of manufacturing many types of AR-coated windows; we are excited to have developed a new in-house process for manufacturing high-quality textured antireflective products that will enable new applications not previously possible with traditional antireflective thin film coatings.”
Textured AR Window
The initial textured window catalog offering (Item # W41010T1) consists of a Ø1", 1.0 mm thick textured window on a UV fused silica substrate, with plans to release additional diameters and substrate thicknesses in the coming months. Requests for custom substrates or window thicknesses are welcome.

For more information on Thorlabs’ textured broadband antireflective windows or custom OEM capabilities, please visit www.thorlabs.com.

About Thorlabs Thorlabs, a vertically integrated photonics products manufacturer, was founded in 1989 to serve the laser and electro-optics research market. As that market has spawned a multitude of technical innovations, Thorlabs has extended its core competencies in an effort to play an ever-increasing role to serve the Photonics Industry at the research end, as well as the industrial, life science, medical, and defense segments. The organization’s highly integrated and diverse manufacturing assets include semiconductor fabrication of Fabry-Perot, DFB, and VCSEL lasers; fiber towers for drawing both silica and fluoride glass optical fibers; MBE/MOCVD epitaxial wafer growth reactors; extensive glass and metal fabrication facilities; advanced thin film deposition capabilities; and optomechanical and optoelectronic shops.