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Title: Generation of nanosecond THz pulses using a high gain ring resonator with a semiconductor switch

Journal Article · · Applied Physics Letters
DOI:https://doi.org/10.1063/5.0098718· OSTI ID:1979120

A [Formula: see text] quasi-optical ring resonator consisting of an input coupler and three mirrors has been designed and tested. A low-loss silicon wafer in the ring provides output coupling of the stored power when irradiated by a pulse from a [Formula: see text] laser. The ring created [Formula: see text] output power pulses when excited by a [Formula: see text] continuously operating input source, achieving a power gain of 16. In a fully tuned ring, higher gain is achievable. If the ring was used with a pulsed input source having a pulse length of several times the fill time, the ring could be used as an efficient pulse compressor with similar high gain. The resonator has a wide range of applications, including, at low power, spectroscopy and, at high power, testing of accelerator structures and materials.

Research Organization:
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP); National Institutes of Health (NIH); National Institute of Biomedical Imaging and Bioengineering (NIBIB); USDOE Office of Science (SC), Fusion Energy Sciences (FES)
Grant/Contract Number:
FC02-93ER54186; SC0015566; R01-EB001965; R01-EB004866; DESC0015566
OSTI ID:
1979120
Alternate ID(s):
OSTI ID: 1878256
Journal Information:
Applied Physics Letters, Vol. 121, Issue 4; ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English

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