Frequently Asked Questions

The 680nm 1x2, 2x2 PM Fiber Filter Coupler is primarily used in Quantum Communication and Fiber Optic Sensor fields.

The 680nm PM Fiber Filter Coupler is built with thin-film filter technology.

The key features include low excess loss, high extinction ratio, low insertion loss, and high reliability.

The maximum optical power the coupler can handle is 300 mW.

The operating temperature range for the coupler is 0 to 70℃.

The minimum return loss of the coupler is 50 dB.

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