Fizeau Experiment (FM Perspective)

What is observed

The Fizeau experiment measures the speed of light in a moving medium, typically flowing water.

Light is sent:

along the direction of the flow
and against the flow

The result shows:

light propagates faster with the flow than against it
but the effect is only partial

The medium does not simply carry the light along fully.

Standard description

In conventional physics, this result is explained using:

Fresnel drag coefficient
partial “dragging” of light by the moving medium
relativistic velocity addition

The key conclusion is:

the medium influences light propagation
but does not fully determine it

The FM perspective

In the Field Medium Model, light is a propagating pattern of local reorganization.

In a structured medium such as water:

propagation does not occur in free FM
it proceeds through interaction with internal structure

This creates a coupled process:

field → structure → field → structure → field

A moving structured medium

When the medium flows:

its internal structures (vortex-based organization) are in motion
the regions participating in reorganization are no longer stationary

This affects how each step of propagation unfolds.

Propagation with the flow

When light propagates in the same direction as the flow:

each interaction occurs with structures that are already moving forward
the next region is effectively closer in the direction of propagation

This reduces the total reorganization required per unit distance.

The wave advances slightly faster.

Propagation against the flow

When light propagates against the flow:

each interaction occurs with structures moving toward the wave
the next region is effectively further away in the direction of propagation

This increases the reorganization required per unit distance.

The wave advances more slowly.

Why the effect is partial

The moving medium does not carry the wave as a whole.

This is because:

propagation is not transport of substance
it is a sequence of local reconfiguration steps

Each step depends partly on:

the intrinsic properties of the field
and partly on the state of the local structure

As a result:

the motion of the medium modifies propagation
but does not fully determine it

No full dragging

There is no complete “dragging” of light by the medium.

The wave is not embedded in the moving structure.

Instead:

it continuously reorganizes through it

This explains why:

the effect is weaker than full transport
but still clearly measurable

Relation to refraction and structure

The Fizeau effect is closely related to refraction.

Both arise from:

interaction between wave propagation and structure

In refraction:

structure changes across space

In Fizeau:

structure moves through space

In both cases:

propagation is modified through local interaction

Comparison of interpretations

Both descriptions agree:

light speed is affected by a moving medium
the effect is partial

They differ in explanation:

Standard interpretation:

the medium partially drags the light

FM interpretation:

propagation occurs through moving structure
local reorganization steps are shifted by that motion

Summary

In the Field Medium Model:

Light propagates through local reorganization
In matter, propagation couples to internal structure
When the structure moves, propagation is modified
Motion of the medium shifts the effective step-by-step reconfiguration
The effect is directional and partial
No full dragging or transport of light occurs

Final statement

The Fizeau experiment does not show that light is carried by a moving medium.

It shows that propagation depends on how local reorganization unfolds
within a structured system that itself can be in motion.