Antenna-coupled bolometer with a micromachined-beam thermal link

被引：9

作者：

Osterman, DP ^{[1
]}

Patt, R ^{[1
]}

Hunt, R ^{[1
]}

Peterson, JB ^{[1
]}

机构：

[1] CARNEGIE MELLON UNIV,DEPT PHYS,PITTSBURGH,PA 15213

来源：

APPLIED PHYSICS LETTERS | 1997年 / 71卷 / 16期

关键词：

D O I：

10.1063/1.120028

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We present the design of a novel bolometer intended for measurement of radiation within a waveguide. The thermal link in the bolometer is a low-thermal conductance micromachined beam. Power is coupled from an antenna to a resistive termination at the center of the beam. The optimization of the design for an astronomical measurement leads to an operating temperature of 0.48 K, accessible with a He-3 refrigerator, Measurements on the antenna absorber in a waveguide show an average absorption of 94% from 33 to 50 GHz. (C) 1997 American Institute of Physics.

引用

页码：2361 / 2363

页数：3

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