Generalized lock-in detection applied to lens-less digital holographic interferometry

Yunlong Zhu (1) , Julien Vaillant (1) , Guillaume Montay (2) , Aurélien Bruyant (1)

1 LNIO - Laboratoire de Nanotechnologie et d'Instrumentation Optique
2 LASMIS - Laboratoire des Systèmes Mécaniques et d'Ingénierie Simultanée

A simple, lens-less, holographic microscope is built based on “Generalized Lock-in detection”, as an alternative to phase-shifting interferometry. This approach is tested on several samples, and it is used to demonstrate displacement field.

Domains: Engineering Sciences [physics]; Mechanics [physics.med-ph]; Mechanics of materials [physics.class-ph]

Yunlong Zhu, Julien Vaillant, Guillaume Montay, Aurélien Bruyant. Generalized lock-in detection applied to lens-less digital holographic interferometry. Digital Holography and Three-Dimensional Imaging, Jul 2016, Heidelberg, Germany. pp.DTh3C.3. ⟨hal-02278198⟩