Evaluation of Submillimeter/Terahertz Camera Performance With the Cryogenic Multi-Channel Read Out System

被引：3

作者：

Hibi, Yasunori ^{[1
]}

Matsuo, Hiroshi ^{[1
]}

Sekiguchi, Shigeyuki ^{[1
]}

Ikeda, Hirokazu ^{[2
]}

Fujiwara, Mikio ^{[3
]}

机构：

[1] Natl Inst Nat Sci, Natl Astron Observ Japan, Mitaka, Tokyo 1818588, Japan

[2] Japan Aerosp Explorat Agcy, Inst Space & Astronaut Sci, Sagamihara, Kanagawa 2298510, Japan

[3] Natl Inst Informat & Commun Technol, Koganei, Tokyo 1847895, Japan

来源：

IEEE TRANSACTIONS ON TERAHERTZ SCIENCE AND TECHNOLOGY | 2013年 / 3卷 / 04期

基金：

日本学术振兴会;

关键词：

Application specific integrated circuits (ASICs); cryogenic electronics; gallium-arsenide JFETs (GaAs-JFETs); imaging sensors; multichip modules; superconducting tunnel junction detectors; GAAS JFET; TEMPERATURE; MILLIMETER; DETECTORS; ARRAY;

D O I：

10.1109/TTHZ.2013.2258714

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The purpose of our development is to realize the terahertz camera with superconducting tunnel junction detectors and cryogenic integrated circuits made of gallium-arsenide junction field-effect transistors (GaAs-JFET). This paper presents the first demonstration of such system. First, we have combined cryogenic charge integrating amplifiers made of GaAs-JFETs with the superconductor-insulator-superconductor (SIS) photon detectors at 0.5 K, and the detector current was successfully read out by the cryogenic amplifiers. Secondly, we have demonstrated an operation of a 32-channelmulti-chipmodule all made of the GaAs-JFET circuits. The module has 32-channel detector input ports and two read out multiplexers for fast sampling. The power dissipation is about 350 mu W. Using 910 k Omega resistors in place of detectors we measured output voltage noise of 3 mV(rms) with a charge integration time of 1 ms,. From these results, we have proven the terahertz camera technologies using SIS photon detectors and cryogenic read out electronics with the noise equivalent power (NEP) of 3.8 x 10(-15) W/Hz(0.5) and 1 kHz frame rate.

引用

页码：422 / 427

页数：6

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