Optical Fiber Light Propagation Simulation
Interactive visualization of total internal reflection in step-index optical fibers
Fiber Parameters
Core Refractive Index:
1.46
Cladding Refractive Index:
1.44
Core Diameter (μm):
50
Light Source
Number of Rays:
15
Max Incident Angle (°):
30
Animation
Animation Speed:
1.0
Ray Thickness:
2
Numerical Aperture (NA): 0.24
| Critical Angle: 81.4°
| Max Acceptance Angle: 13.9°
Guided Rays
Lost Rays
Fiber Core



