Control & ModelingDiscipline: Engineering Physics & Optoelectronics (PHY1001)
Laser Cavity & Optical Fiber Waveguide Simulator
Interactive ray-tracing waveguide engine calculating Snell's law refraction, Total Internal Reflection (TIR), critical angle (θc), numerical aperture (NA), normalized frequency (V-number) single-mode cutoff, and dB link losses.
Instrument State:Live Analytical DSP Engine
Optical Fiber Waveguide & Total Internal Reflection Simulator
Explore Snell's law refraction, critical angle (θc), numerical aperture (NA), V-number single-mode cutoff, and dB link attenuation.
Launch Angle (θ_in):8°
Acceptance limit θa = 7.2°Transmission Span:25 km
Loss = 0.18 dB/kmNumerical Aperture:0.1246
Critical Angle (θc):85.13°
V-Number:2.07 (Single Mode)
Core / Clad:1.4677 / 1.4624
Leaky Ray: θ_in > θ_acceptance
Acceptance Half-Angle
θa = 7.16°
Max launch cone: 14.3°Normalized V-Number
V = 2.07
V ≤ 2.405 (Single Mode)Link Attenuation (25 km)
4.50 dB
Power throughput: 35.5%Technical Instrument Specifications
Numerical ApertureNA = √(n₁² - n₂²) = sin(θ_a)
Critical Anglesin(θ_c) = n₂ / n₁
V-Number CutoffV = (2πa / λ) · NA (Single-mode if V ≤ 2.405)
Link LossP(L) = P_in · 10^(-α_dB · L / 10)
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