Vacuum Optical Fiber Feedthrough Flange - Vacuum Optical Fiber Feedthrough Flange - Shanghai YiNGUAN Semiconductor Technology Co., LTD

Feedthru can be CF, KF, ISO standard flanges or customized.
The optical fiber and feedthrough are sealed by adhesive, and the optical fiber has no breakpoint to ensure the best optical performance.
Applicable to single-mode, multi-mode, polarization-maintaining fiber and other optical fibers.
Components can be single-pass or multi-pass.
The material in the cavity is suitable for vacuum conditions, and the fiber sheath material can be stainless steel 304 and PTFE.
Suitable for UHV environments up to 10^-5Pa

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Technical Specifications

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Item	Data
Environmental performance
Temperature range	-40 ℃ ~+80 ℃
Gas leak rate	Gas leakage rate ≤ 1 × 10-¹¹Pa·m³/s ， less than 1×10-¹¹Pa·m³/s
Optical performance
Transmission loss	≤0.6dB
Polarization-maintaining fiber extinction ratio	≥25dB

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