Micro-Optics In Holographic Endoscopy

G. von Bally; D. Dirksen; Y. Zou; E. Kraetzig

doi:10.1117/12.961680

26 October 1989 Micro-Optics In Holographic Endoscopy

G. von Bally, D. Dirksen, Y. Zou, E. Kraetzig

Proceedings Volume 1136, Holographic Optics II: Principles and Applications; (1989) https://doi.org/10.1117/12.961680
Event: 1989 International Congress on Optical Science and Engineering, 1989, Paris, France

Abstract

The combination of holographic metrology with endoscopic imaging allows the development of a new class of minute instruments for high-resolving, non-contactive, non-destructive intra-cavity measurements. New developments in micro-optics give main impulses to actual progress in holographic endoscopy: - Assembled gradient-index rod lenses are used for small submillimeter needle diameter rigid endoscopic instruments. - The use of (single-mode) optical fibers offers easy handling and flexibility. Especially, new single-mode imaging fiber bundles show improved performance data (high lateral resolution) at very small diameters. - The use of electro-optical crystals opens the possibility of developing a minute holographic storage device for an easy-to-handle, small holographic endoscopic camera system for in-situ recording, reconstruction and erasure with fast repetition rate.

Citation Download Citation

G. von Bally, D. Dirksen, Y. Zou, and E. Kraetzig "Micro-Optics In Holographic Endoscopy", Proc. SPIE 1136, Holographic Optics II: Principles and Applications, (26 October 1989); https://doi.org/10.1117/12.961680

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