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6 October 2023 High-brightness backward THz-wave parametric oscillator for ubiquitous applications
Hiroaki Minamide
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Proceedings Volume PC12683, Terahertz Emitters, Receivers, and Applications XIV; PC126830K (2023) https://doi.org/10.1117/12.2678514
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States
Abstract
High-brightness sub-terahertz (THz)-wave source has been required for potential THz-wave nondestructive testing. We have succeeded in developing a ubiquitous THz-wave source with a peak intensity of about 200W at 0.3 THz which is on the level of a gyrotron, aimed to robot installation. The high-brightness THz-wave emission is based on a cascaded backward optical parametric down-conversion up to third-order Stokes radiation and a threshold reduction of 63% by an injection-seeding to the idler beam. This remarkable THz-wave source expands the horizon of THz-wave research and applications.
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Hiroaki Minamide "High-brightness backward THz-wave parametric oscillator for ubiquitous applications", Proc. SPIE PC12683, Terahertz Emitters, Receivers, and Applications XIV, PC126830K (6 October 2023); https://doi.org/10.1117/12.2678514
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KEYWORDS
Oscillators
Photons
Terahertz radiation
Manufacturing
Quantum conversion
Signal processing
Quantum reading
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