The 'Equivalent Interferometer' in Holography

Rogers, G. L.

doi:10.1080/713818330

Cited by 9 publications

(1 citation statement)

References 21 publications

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“…Use of HOE for realization of compact and easy to align systems has been reported in the literature 7 . HOEs are playing important role for realization of compact interferometers [8][9][10][11][12][13] . Multiplexed HOEs have also been reported for making a compact system which can simultaneously provide information related to three different techniques namely interferometry, schlieren and shadowgraphy 14 In order to re beam is used collimated w amplitude tra ing the object ally on the rec m. Figure 3 sh hite paper scre n in reconstru reated by seco uation (5 printed on diffusing butter paper itself) was recorded and its reconstructed images along with DC light spot are shown in Fig.…”

Section: Introductionmentioning

confidence: 99%

HOE for recording off-axis holograms of phase objects

Rajkumar¹,

Chhachhia

Singh

et al. 2015

SPIE Proceedings

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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.

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