linear displacement sensor / non-contact / fiber optic / with fiber Bragg grating
os1100 Micron Optics

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Characteristics

  • Type:

    linear

  • Contact / non-contact:

    non-contact

  • Technology:

    fiber optic, with fiber Bragg grating

  • Output signal:

    analog

Description

The os1100 Fiber Bragg Grating (FBG) is designed for use in fiber optic sensing applications. It
is a single FBG centered in a two meter length of polyimide coated optical fiber. It may be used
individually or can be spliced into an array of many FBGs.
Fiber Bragg gratings are the fundamental elements upon which most fiber optic sensors are
based. An FBG is an invisible reflector inside the core of the fiber that is set to a specific wavelength
of light. When the fiber where the FBG is located is exposed to strain or temperature, the FBGs
center wavelength shifts to a higher or lower wavelength. The direction and magnitude of the
shift is proportional to the change in strain or temperature. os1100s are available in dozens
of distinct center wavelengths. Using different wavelengths allows multiplexing of dozens of
FBGs on a single fiber.