Time Delay & Path Length Converter

Convert between time delay and optical path lengths

Fiber Parameters

Refractive Index (n)

—

Input (enter any one value)

Time Delay

Path Length (Air)

Path Length (Fiber)

Results

Time Delay: —

Path Length (Air): —

Path Length (Fiber): —

Speed in Fiber: —

Formulas:
• Speed in fiber = c / n
• Time delay = distance / speed
• c = 299,792,458 m/s (speed of light in vacuum)