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Conferences > DH > 2016 > DW2E > DW2E.2

Off-Axis Fresnel Digital Holography at Terahertz Frequencies

Martin S. Heimbeck and Henry O. Everitt

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Abstract

An Off-axis Fresnel interferometric imager was constructed to acquire holograms using a highly coherent, narrowband, continuous wave source tunable over 0.3 – 1.0 THz. Fresnel and angular spectrum reconstruction methods of amplitude and phase holograms are presented and compared. While transverse resolution was on the order of the wavelength, unprecedented depth resolution of nearly λ/300 (2 µm) is reported.

© 2016 Optical Society of America

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