Suitability of holographic beam scanning in high resolution applications

Ranjan Kalita; S. S. Goutam Buddha; Bosanta R. Boruah

doi:10.1117/12.2287804

23 February 2018 Suitability of holographic beam scanning in high resolution applications

Ranjan Kalita, S. S. Goutam Buddha, Bosanta R. Boruah

Proceedings Volume 10499, Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XXV; 104991P (2018) https://doi.org/10.1117/12.2287804
Event: SPIE BiOS, 2018, San Francisco, California, United States

Abstract

The high resolution applications of a laser scanning imaging system very much demand the accurate positioning of the illumination beam. The galvanometer scanner based beam scanning imaging systems, on the other hand, suffer from both short term and long term beam instability issues. Fortunately Computer generated holography based beam scanning offers extremely accurate beam steering, which can be very useful for imaging in high-resolution applications in confocal microscopy. The holographic beam scanning can be achieved by writing a sequence of holograms onto a spatial light modulator and utilizing one of the diffracted orders as the illumination beam. This paper highlights relative advantages of such a holographic beam scanning based confocal system and presents some of preliminary experimental results.

Citation Download Citation

Ranjan Kalita, S. S. Goutam Buddha, and Bosanta R. Boruah "Suitability of holographic beam scanning in high resolution applications", Proc. SPIE 10499, Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XXV, 104991P (23 February 2018); https://doi.org/10.1117/12.2287804

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