Characterization of Low-Noise Quasi-Optical IS Mixers for the Submillimeter Band

被引：30

作者：

Gaidis, Michael C. ^{[1
]}

LeDuc, Henry G. ^{[2
]}

Bin, Mei ^{[3
]}

Miller, David ^{[3
]}

Stern, Jeffrey A. ^{[2
]}

Zmuidzinas, Jonas ^{[3
]}

机构：

[1] CALTECH, Jet Prop Lab 168 314, Downs Lab Phys, Pasadena, CA 91109 USA

[2] CALTECH, Jet Prop Lab 302 231, Ctr Space Microelect Technol, Pasadena, CA 91109 USA

[3] CALTECH, Downs Lab Phys 320 47, Pasadena, CA 91125 USA

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 1996年 / 44卷 / 07期

关键词：

D O I：

10.1109/22.508648

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：

We report on the development of low-noise quasi-optical SIS mixers for the frequency range 400-850 GHz. The mixers utilize twin-slot antennas, two-junction tuning circuits, and Nb-trilayer junctions. Fourier-transform spectrometry has been used to verify that the frequency response of the devices is well predicted by computer simulations. The 400-850 GHz frequency band can be covered with four separate fixed-tuned mixers. We measure uncorrected double-sideband receiver noise temperatures around 5hv/k(B) to 700 GHz, and better than 540 K at 808 GHz. These results are among the best reported to date for broadband heterodyne receivers.

引用

页码：1130 / 1139

页数：10

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