MICROWAVE DETECTION USING ANTIGRANULOCYTES BI-SR-CA-CU-O THIN-FILMS

被引：15

作者：

BOONE, BG ^{[1
]}

SOVA, RM ^{[1
]}

MOORJANI, K ^{[1
]}

GREEN, WJ ^{[1
]}

GRABOW, BE ^{[1
]}

机构：

[1] JOHNS HOPKINS UNIV,DEPT ELECT & COMP ENGN,BALTIMORE,MD 21218

来源：

JOURNAL OF APPLIED PHYSICS | 1991年 / 69卷 / 04期

关键词：

D O I：

10.1063/1.348662

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report here results of our investigations of the nonbolometric mode of detection in granular Bi-Sr-Ca-Cu-O thin films. We find that both bolometric and nonbolometric modes appear in the same sample under mutually exclusive conditions: bolometric with light (633 nm) and nonbolometric with microwaves (9 GHz). Our measurements indicate that the nonbolometric mode of detection is more sensitive than the bolometric mode in our samples, a result which offers promise for application to microwave power measurement. Possible mechanisms for the nonbolometric mode are reviewed, and the concept of using a broadband spiral antenna directly coupled to the superconducting detector for microwave power sensing is briefly described.

引用

页码：2676 / 2678

页数：3

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