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학술지 Compact Fiber-Pigtailed InGaAs Photoconductive Antenna Module for Terahertz-wave Generation and Detection
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저자
한상필, 김남제, 고현성, 류한철, 박정우, 윤영종, 신준환, 이동훈, 박상호, 문석환, 최성욱, 전향숙, 박경현
발행일
201207
출처
Optics Express, v.20 no.16, pp.18432-18439
ISSN
1094-4087
출판사
Optical Society of America(OSA),
DOI
https://dx.doi.org/10.1364/OE.20.018432
협약과제
12ZF1100, Seed형 기술개발을 위한 창의형 연구사업, 박선희
초록
We propose a compact fiber-pigtailed InGaAs photoconductive antenna (FPP) module having an effective heat-dissipation solution as well as a module volume of less than 0.7 cc. The heat-dissipation of the FPP modules when using a heat-conductive printed circuit board (PCB) and an aluminium nitride (AlN) submount, without any cooling systems, improve by 40% and 85%, respectively, when compared with a photoconductive antenna chip on a conventional PCB. The AlN submount is superior to those previously reported as a heat-dissipation solution. Terahertz timedomain spectroscopy (THz-TDS) using the FPP module perfectly detects the absorption lines of water vapor in free space and an 慣-lactose sample. © 2012 Optical Society of America.
KSP 제안 키워드
Aluminum Nitride(AlN), Cooling systems, Free Space, Terahertz wave generation, Water vapor, antenna module, photoconductive antenna, printed circuit board(PCB), thz-tds