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Optical Fiber Pen-type Red Light Source pen-based red light source, which use 650nm semiconductor laser as a light emitting device, through the constant current drive, transmit the red light which power is stable. After connecting with optical interface, the red light can enter into the multimode and single mode fiber, achieve detecting function of optical fiber fault. It is an indispensable tool for fiberoptic construction, fiber-optic network maintenance, optical device production and research.
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