The longitudinal electric field profile of coherent transition radiation (CTR). which is a radially polarized terahertz (THz) pulse from an electron bunch. was measured using a large-aperture photoconductive antenna (PCA) with a diameter of 8. 8 mm and micro-structured concentric electrodes to detect THz light pulses. https://www.remtavares.com/best-offer-Merrick-Backcountry-Grain-Free-Kitten-Pate-Canned-Wet-Cat-Food-5-5-oz-Cans-Case-of-24-p14288-limited-choice/