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The coupler is a 1x2 1460 nm coupler
This enables optimal mode coupling with minimal splice loss for maintaining the power and excellent beam quality between all elements of a fiber laser or amplifier
Ultra-low Loss and Low Back-reflection
Built-in 20 dB Variable Optical Attenuator
It can be used for coherent communication
1554.940 nm Wavelength Locker w/ Temperature Sensor 【Santec】 PM Fused Coupler The coupler is a 1x2The wavelength locker enables the wavelength of DWDM transmitters to be monitored and stabilized. This unique single filter differential method is utilized to achieve the highest wavelength accuracy and reliability of any commercial wavelength locking device. The wavelength locker has become the industry standard and is indispensable in 50 GHz and 100 GHz DWDM systems. FEATURESHigh Stability and ReliabilityTemperature InsensitiveWavelength Accuracy <
