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


XSOF™ is a prime supplier of specialty optical fiber assemblies for industrial applications, sensor technology and optical analysis (metrology), scientific purposes,and laser medicine. We are one of a limited number of companies who offer a unique product portfolio and have the expertise to solve difficult and challenging problems. We offer standard and custom optical fiber based assemblies, fiber optic cables and entire optical fiber systems fitted with in-house designed components that suit customer requirements. Our fiber optic products serve not only general applications but also those that require system-level solutions.

The XSOF™ family of companies currently operates from two sites in the USA, one on the West Coast in Oregon (TSOF) and one on the East Coast in Virginia (RSOF), serving both US and international customers. XSOF™ stands ready to respond with the full spectrum of specialty products. We are your strategic partner for all your fiber optic needs.

Learn more about each of the applications our products serve.


XSOF™ is an ITAR-registered company and creates fiber optic solutions for defense and military applications.


XSOF™ uses fiber optic technology to manufacture assemblies and devices for spectroscopy, measuring light in the UV-, VIS-, NIR-, and Mid-IR regions.

Analytical Instrumentation

XSOF™ makes custom fiber optic solutions including connectors or interfaces for analyzer instrumentation used in multiple industries.

Laser Welding, Cutting, Marking & Engraving

XSOF™ creates custom fiber products for laser cutting, welding, engraving, marking and etching applications.


We apply fiber optic technology to semiconductor applications, specifically on the tools that make the chips. Our assemblies are cutting-edge. XSOF™ specialty fiber optic solutions simply make the tools that make the chips work, and we do it for the top semiconductor tool manufacturers in the world.


At XSOF™, we value the front-line researchers changing the world and we want to collaborate with you. Our specialty optical fiber solutions are used in a variety of research applications, with few limits to what we can do.

Life Sciences

XSOF™ products are utilized in life science applications working on, with, and in the instruments made by the top Life Science companies in the world.


Our fiber optic technology is used in the medical field for a variety of applications, including in medical procedures and as medical sensors among many other uses.


XSOF™ specialty fiber optic products are utilized in a variety of specialty illumination applications. Learn more about our fiber optic illumination products!


Fiber optic assemblies are a crucial component to quantum applications. Learn more about XSOF™ specialty fiber optic solutions for quantum computing.

Ready to get started?

To request a quote, or for more information, contact XSOF™ today! Even if you don’t see what you’re looking for, we always welcome new challenges and new projects.


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.