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The 1550 nm dual-stage polarization-maintaining optical isolator is designed to protect polarization-sensitive lasers and optical systems from backward-propagating light. Its dual-stage configuration provides isolation of ≥45 dB while maintaining insertion loss of ≤0.9 dB across the specified 1550 ±15 nm operating wavelength range.
An optical isolator is a directional component. The arrow indicates the permitted forward transmission direction. Installing the device in the reverse direction can result in high optical loss because backward-propagating light is intentionally blocked.
The isolator is configured to transmit light aligned with the slow axis of the PM1550 fiber while attenuating the orthogonal fast-axis polarization. This configuration helps maintain the required polarization state and supports an extinction ratio of at least 21 dB.
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4/F,Building D ,ZhiXuanHan Yuanling Industrial Park,ShiYan Sub-District,Baoan District,Shenzhen City,Guangdong Province,China
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86-0755-27204792
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