Abstract

We propose a free-space terminator and broadband interferometry based on a coherent blackbody effect in an ultrathin nonreflecting metallic layer in the microwave to infrared domains. A frequency-insensitive device consisting of a metallic layer in a ring (Sagnac) interferometer can be used for autocorrelation measurements of extremely broad EM spectra.

© 2006 Optical Society of America

Polarization-independent and tunable comb filter based on a free-space coupling technique

Haifeng Lu, Zhuangqi Cao, Honggen Li, Qishen Shen, and Xiaoxu Deng
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Experimental generation and analysis of first-order TE and TM Bessel modes in free space

A. Flores-Pérez, J. Hernández-Hernández, R. Jáuregui, and K. Volke-Sepúlveda
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Two-dimensional spectral shearing interferometry for few-cycle pulse characterization

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