单项选择题
What is the phenomenon called where different wavelengths of light travel at different speeds？（）
A. OSNR
B. dispersion
C. light skew
D. attenuation
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相关考题
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单项选择题
WhichdevicecreatesanOEOconversion？（）
A. amplifier
B. attenuator
C. regenerator
D. light emitter
E. optical switch
F. optical receiver
G. fiber-optic cable -
单项选择题
Whatisthedifferencebetweenthetransmittedpowerandthesensitivityofthereceiver？（）
A. OSNR
B. dispersion
C. attenuation
D. power budget
E. amplifier spacing
F. four wave mixing -
多项选择题
Whichthreetechnologiesareusedtoreducechromaticdispersionaccumulationinfiber-optictransmissionsystems？（）
A. PIN photodiodes
B. zero-chirped lasers
C. Erbium-doped fiber amplifiers
D. dispersion compensating fiber
E. dispersion compensating Bragg grating
