Title

Sub-THz Power Measurements with Ambient Pyroelectric Detectors

Document Type

Conference Proceeding

Publication Date

11-28-2016

Abstract

We present a simple cross-calibration procedure for measuring THz power with room-temperature pyroelectric detectors. When efficiently coupled, large-area, metal-film-coated lithium tantalate pyroelectric detectors are perfectly capable of detecting microwatt average power levels or less from THz sources, pulsed or cw. Here we focus on a brass flared-horn coupling technique that increases the pyroelectric responsivity by about 5x compared to traditional, quasi-optical coupling.

DOI

10.1109/IRMMW-THz.2016.7758896

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