Holographic Interferometry of Vibrating Objects

Violin Photos

Interferogram of vibrating bar

Audio Spectrogram of C4 Handbell

Vibrational Modes of Handbells

Vibrational Modes

Film Holography Set-up

Film Vibrational Holograms

Finite Element Analysis

Fully Meshed Bell

FEA Output

Film Hologram and Finite Element Analysis Model
of (2,0) Mode

Film Hologram and FEA Model of (3,1) Mode

Film Holograms and FEA Models of many modes (2001)

Electronic Holography System

Holograms: Film and Electronic

New Holograms and FEA Models of many modes

Holograms of C4 Handbell Modes

More Holograms of C4 Handbell Modes

Degenerate Modes

(4,1) Mode Shift
with Added Point Mass

Synthesis of Bell Sounds

New Bell Shape Example