Fast Pyroelectric Response of Semiconducting YBaCuO Detectors with High IR Sensitivity; Development of THz Imaging Arrays

被引：0
|
作者：
Galiano, Xavier [1 ,2 ]
Degardin, Annick F. [1 ,2 ]
Jagtap, Vishal S. [2 ]
Kreisler, Alain J. [1 ,2 ]
机构：
[1] Univ Paris 06, Sorbonne Univ, F-75005 Paris, France
[2] Univ Paris 11, Cent Supelec GeePs, CNRS, UMR 8507, F-91190 Gif Sur Yvette, France
来源：
2015 40TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER AND TERAHERTZ WAVES (IRMMW-THZ) | 2015年
关键词：
DIELECTRIC-PROPERTIES; MICROBOLOMETER; TEMPERATURE; BOLOMETERS; NOISE;
D O I：
暂无
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：
YBa2Cu3O6+x oxides are semiconducting for x < 0.5 and are amorphous (a-YBCO) at low deposition temperature (100 degrees C, typically). a-YBCO also exhibits pyroelectric properties. Metal/a-YBCO planar micro-structures were processed to fabricate IR sensors. When unbiased, the device exhibited a pyroelectric near-infrared response as f(+1) up to about 35 kHz, followed by a slow thermally diffusive decrease as f(-1/2) up to about 3 MHz. NEP was measured below 15 pW/Hz(1/2), with detectivity D* above 10(9) cm.Hz(1/2).W-1 in the 500 Hz to 100 kHz range. 32x32 arrays of THz log-periodic planar antennas to be coupled with a-YBCO patches were also designed.
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页数：2
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