70B-Series FOG Optical Module

Product Description
This series optical module is an optical component applied to FOG and also a special optical module that is fused and assembled by fiber-optic coils and optical devices (Y-waveguide, photodetector) in the order of gyroscope's optical path. It can replace fiber-optic coils, optical devices and other loose parts for direct modular installation on the gyroscope, thus simplifying the assembly process of the FOG.
Product Features

    •   High integration
    •   Small size
    •   Easy installation
    •   Magnetic shielding

Product Specifications

Indicator Unit Index
Product Type / 70B
Dimensions mm 70x70x25.8
Typical Operation Wavelength nm 1310 1550
Fiber Coil Length m 1030±10
Bias Stability At Room Temperature °/h ≤0.008
Bias Stability At Full Temperature °/h ≤0.04
Bias Repeatability(1σ) °/h ≤0.01
Scale Factor Repeatability(1σ) ppm ≤10
Scale Factor Nonlinearity ppm ≤10
Scale Factor Asymmetry ppm ≤10
Dynamic Range °/s ±500
Bias Susceptibility °/h/Gs ≤0.03
Operation Temperature Range -40~+70
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