Fluorescent Fiber

Nanoptics manufactures the brightest, most flexible and most crack-resistant fluorescent fiber in the industry. We offer a selection of fibers in a variety of colors and diameters. Fibers can be provided on spools or cut to custom lengths. For pricing, additional information, and inquiries on special projects, please contact us through our website, phone, or email.

If you you like to purchase our retail replacement bowsight fiber, please visit our ordering page.


Available in standard meter lengths, or uncut on spools, our fiber can also be ordered with custom specifications. This includes cut lengths from 1” to 60”, diameters from 0.004” up to 0.160”, and special dyes. Our vivid colors are optimized for brightness when using lengths from half an inch to greater than 60 inches.

Standard colors:

  • Blue
  • Green
  • Yellow
  • Orange
  • Hunter Orange
  • Pink
  • Red
  • Ruby Red

Standard diameters:

  • 0.010”
  • 0.019”
  • 0.029”
  • 0.035”
  • 0.040”
  • 0.060”
  • 0.078”
  • 0.100”
  • 0.118”

Fiber types

  • Bright Super Flex
    BSF is our large diameter (generally greater than 0.040”/1 mm) fiber for use in short-length applications.
  • Ultra Super Flex
    USF is our standard bright and durable fiber. It is excellent for all around general use. USF fiber is the brightest fiber available on the market.
  • Tough Super Flex
    TSF features the same brightness as USF, but with added durability. It is ideal for high performance under harsh conditions.