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(757) 645-2911 VA (HQ), (541) 382-5000 OR

About Us

XSOF™ is a strategic partnership between two excellent companies–Tratech Specialty Optical Fibers, LLC (TSOF) and R Specialty Optical Fibers, LLC (RSOF). Together, we are a team of scientists, technologists, engineers, and business professionals offering unique solutions and world-class products with real-world applications. Together, we’ve created a one-stop shop for advanced fiber optic solutions in a highly segmented industry.

Specialty Fiber Optic Assemblies
One-Stop Shop

XSOF™ is about the broad application of fiber optic assemblies. We offer solutions for a wide range of different industries and applications.

Browse our products and capabilities here.

Check out the applications we serve here.


SOF provides our market perspective and driving vision, as well as the administrative and financing components to allow our specialists to specialize.

TSOF is the PCF and HCPCF Specialty Packaging and the Hi Power Laser site, bringing highly specialized tools and capability to the transmission of optical energy through both standard fibers and leading edge Photonic Crystal Fibers.

RSOF is the Sensing, Metrology, Spectroscopy, Illumination, Urology, and Harsh Environments applications and production site. Here, we produce specialty fiber assemblies, from one-offs to several thousand units.

Together, we bring decades of real-world experience to create an ecosystem of solutions and answers to your fiber optic challenges.


We also never forget the most important part of XSOF–the people. In the end, it’s about building long term relationships and trust. And that is done with great people. Our customers depend on XSOF™ for their fiber optic solutions because we have a culture of honesty, proven performance and dedication to youour customers.

Ready to get started?

If you have any questions for us, or if you’re ready to get started with your next project, don’t hesitate to contact us today! Our technical staff is responsive and equipped to handle even the most difficult specialty fiber optic applications. For more information contact us to get started.


Quality is paramount to everything XSOF™ does. In every step of the design and manufacturing process, we integrate our Quality Assurance Program to guide our operation. We hold ISO 9001:2015 conformance certifications for both XSOF™ East & West locations.

About Us

XSOF™ is a team of scientists, technologists, engineers, and business professionals all dedicated to manufacturing innovative fiber assemblies and developing custom solutions for a wide range of applications. We bring decades of experience to craft the perfect resolution to any challenge our customers bring.