DFB Laser distributed-feedback laser is a type of laser diode, quantum-cascade laser or optical-fiber laser where the active region of the device contains a periodically structured element or diffraction grating.
DFB Laser Package Types means the shapes for DFB lasers, such as TO-CAN , 2 pins, butterfly 14 pins.
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DWDM Band Wavelength Range
Band Name Wavelengths Description O-band 1260 – 1360 nm Original band, PON upstream E-band 1360 – 1460 nm Water peak band S-band 1460 – 1530 nm PON downstream C-band 1530 – 1565 nm Lowest attenuation, original DWDM band, compatible with fiber amplifiers, CATV L-band 1565 – 1625 nm Low attenuation, expanded DWDM band U-band 1625 – 1675 nm Ultra-long wavelength
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