← LABPART II · FORCE6 / 7
CH1 · COHERENCE
WAVE
amplitude distributed in space
CH1 · COHERENCE
COHERENT
two sources locked in phase
CH1 · COHERENCE
HUYGENS
every wavefront is a new source
CH2 · INTERFERENCE
CONSTRUCTIVE
crest meets crest — amplified
CH2 · INTERFERENCE
DESTRUCTIVE
crest meets trough — cancelled
CH2 · INTERFERENCE
PATTERN
the geometry of wavelengths
CH3 · DIFFRACTION
GRATING
four slits — four waves combined
CH3 · DIFFRACTION
PRINCIPAL
the maxima that survive
CH3 · DIFFRACTION
RESOLUTION
the limit of any optical system
CH4 · APERTURE
CIRCULAR
eight sources — ring aperture
CH4 · APERTURE
AIRY
the disk that limits every telescope
CH4 · APERTURE
THE LIMIT
no lens escapes diffraction