Telecentric f-theta Lens for high-speed terahertz reflection three-dimensional imaging

High-speed terahertz reflection three-dimensional imaging is demonstrated using electronically controlled optical sampling (ECOPS) and beam steering. The ECOPS is used for a 1 kHz axial scan and a transverse scan is performed using beam steering. Telecentric f-theta lenses essential for beam steerin...

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Main Authors: Kyong Hwan Jin, Ji Sang Yahng, Choon-Su Park, Ho-Soon Yang, Chi Yup Kim, Jong Chul Ye, Dae-Su Yee
Format: Conference Proceeding
Language:English
Subjects:
Beam steering
High-speed optical techniques
Lenses
Optical imaging
Optical reflection
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Ji Sang Yahng
Choon-Su Park
Ho-Soon Yang
Chi Yup Kim
Jong Chul Ye
Dae-Su Yee
description High-speed terahertz reflection three-dimensional imaging is demonstrated using electronically controlled optical sampling (ECOPS) and beam steering. The ECOPS is used for a 1 kHz axial scan and a transverse scan is performed using beam steering. Telecentric f-theta lenses essential for beam steering have been fabricated with axial and nonaxial symmetry. Using the imaging system, a volume of 100 × 100 × 7.8 mm 3 can be scanned within 40 seconds, yielding 200 × 200 × 725 voxels.
doi_str_mv 10.1109/IRMMW-THz.2014.6956093
format conference_proceeding
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subjects Beam steering
High-speed optical techniques
Lenses
Optical imaging
Optical reflection
title Telecentric f-theta Lens for high-speed terahertz reflection three-dimensional imaging
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