HOE for recording off-axis holograms of phase objects

Rajkumar; D. P. Chhachhia; Omendra Singh; Ravi Kant

doi:10.1117/12.2181637

15 June 2015 HOE for recording off-axis holograms of phase objects

Rajkumar, D. P. Chhachhia, Omendra Singh, Ravi Kant

Proceedings Volume 9654, International Conference on Optics and Photonics 2015; 96540P (2015) https://doi.org/10.1117/12.2181637
Event: International Conference on Optics and Photonics 2015, 2015, Kolkata, India

Abstract

Holographic optical elements (HOEs) play important role in realization of compact and cost effective systems. Use of HOE not only give above mentioned advantages but an HOE can also be used to design and develop unusual system configurations which may not be possible, at all, using the concepts of conventional optics. Present paper describes fabrication of an HOE which contains both, reference and object, beams required for recording an off-axis hologram of phase objects. Illumination of HOE with a collimated beam generates two spatially separated collimated beams which intersect each other in the hologram recording plane. This combined HOE reduces a large number of opto-mechanical components and alignment related issues, generally encountered in off-axis holography. Fabrication of HOE and recording of holograms of phase objects using the HOE is described and experimental results of reconstructed holograms are presented.

Citation Download Citation

Rajkumar, D. P. Chhachhia, Omendra Singh, and Ravi Kant "HOE for recording off-axis holograms of phase objects", Proc. SPIE 9654, International Conference on Optics and Photonics 2015, 96540P (15 June 2015); https://doi.org/10.1117/12.2181637

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