Forwardmotion · ambient → light
κ = θ / Lb
ε = η · d · κ
λB = 2 neff Λ
ΔλB = λB(1−pe) ε + KT ΔT + KH ΔRH
Driverswhat moves λB
| Variable | In fiber | Optical |
|---|
| Joint flexion θ | κ → axial ε | |
| Muscle bulge | Poisson / hoop strain | tens of pm (axial) |
| Forearm twist | shear | needs helix |
| Slip / donning | η, Lb drift | gain ≈3× per wearer |
| Temperature | ξΔT + CTE | |
| Humidity / sweat | coating swell | |
| Source / lead loss | power only | λ immune |
Mechanismsfiber transduction
WavelengthΔλ/λ = (1−pe)ε + (α+ξ)ΔT
IntensityP = P0·10−αL/10, α ∝ R−½e−cR
PhaseΔφ = (2π/λ)(nΔL + LΔn)
Inversesamples → pose
λ(n) ← cal peaks 1527 / 1562
λ̂ = Σ(Dn−Dth)λn / Σ(Dn−Dth)
Δλc = Δλ̂ − k·Δλ̂R
θ̂ = Δλc / Sθ
T̂ = T0 + Δλ̂R / KT,R
pwrist = FK(θ̂S, θ̂E)
Architectureclick a module
Scene design (simulated)
Node signal
Scopeone 5 ms sweep · TIA out + ramp
Cross-checkliterature data vs model
Referencesclassic & most-cited first
● full text checked · ◐ abstract / table checked · ○ value quoted via a secondary source · ◌ bibliographic record only