Photodégradation des colorants fluorescents dans le PMMA appliquée à l'étude de déformationa par moiré
Abstract
Photobleaching of rhodamine 6G in PMMA illuminated by two interfering laser beams gives rise to a fluorescence grating which can be used for strain analysis by moiré technique in the illuminated slice of the model. According to the fluorescence decay curves, the maximum visibility of the moiré fringes is 0.24. Application to a disk under compression is reported.
- Publication:
-
Optics Communications
- Pub Date:
- October 1985
- DOI:
- 10.1016/0030-4018(85)90174-9
- Bibcode:
- 1985OptCo..55..300S
- Keywords:
-
- Bleaching;
- Laser Induced Fluorescence;
- Moire Fringes;
- Photochemical Reactions;
- Polymethyl Methacrylate;
- Strain Measurement;
- Dyes;
- Polymerization;
- Rhodamine;
- Rhodium Compounds;
- Instrumentation and Photography