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Reflector

99.5% fiber optic coated reflector 980/1310/1550/2000nm

An example of using fiber mirrors for erbium-doped fiber amplifiers. Among them, a fiber optic retroreflector is placed at the end of an erbium-doped fiber to reflect light back into the fiber in the direction of the incident light. By using a ring resonator to directly direct the input light and amplified output light into their appropriate optical paths, the signal light can pass through the gain fiber twice, effectively absorbing and utilizing the gain of the amplifier. Another practical application of a retroreflector is to construct an adjustable retroreflector, as shown in Figure 2. The feedback signal from downstream reflectors can cause instability in some devices, such as laser diodes. By using an adjustable retroreflector, the sensitivity of the device to retroreflection can be determined. Adjustable attenuators allow users to introduce standard reflections into the device. By analyzing the backward reflection effect, users can calculate parameters such as noise level, bit error rate, and distortion of the device. Figure 1. All fiber amplifier using a retroreflector and a ring resonator

Product PN#	product name	Working wavelength (λ c)	bandwidth	reflectivity	fiber type	Other parameters
FM-W10-SA	1060nm single-mode fiber mirror	1060nm	±10nm	＞99.5	SMF-28e Fiber or Specify		Add Inquiry