型号: | TERAHETZ-B-S |
产地: | 英国 |
品牌: | |
评分: |
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Radar Absorbing material developed especially for the Terahertz and MM regions using injection moulded square formed in conducting plastic. Very sharp pyramidal surface gives very low reflection. Features include:
太赫兹波(Terahertz,1 THz=1012Hz)指频率在0.1~10 THz的电磁波,位于红外和微波之间,处于宏观电子学向微观光子学的过渡阶段[1],其长波段方向与毫米波(亚毫米波)相重合,而在短波方向与红外相重合,在电磁波谱中占有很特殊的位置,因此太赫兹波的理论研究既不能完全适用经典理论
基于low-grazing应用程序定制设计的毫米波锥形吸收器。主要应用于各种器材的腔体内壁材料。
特点
频带宽度12GHz-95GHz
使用温度范围:21℃+/-3℃
标准基底尺寸2'*2’(60.96cm*60.96cm) 高度5''--12"(12.7cm--30.5cm)
适用于各种腔体内壁
应用范围
毫米波测量仪器腔体内壁
RCS测试
Polypropylene based
Tessalating squares clip together using integral pin and socket joints
Arbitrary surfaces can be built up.
Space qualified
Suitable for Cryogenic operation
Will work in vacuum
Very low monstatic scattering reflection
Low specular reflection.
Item sold by institutional licence plus low piece part charge.
Two versions are available - a small tile, 25mm sqaure with good operation down to 100 GHz, and a larger tile 100mm square, operating to below 50 GHz
Matra-Marconi Space Ltd has space qualified the material
We have collected a range of measurements on the RAM.
This plot shows spectular reflection at 200 GHz. The TK RAM is the lowest trace in Green.
Here is one performed by Herman van de Stadt at SRON using a broadband FTIR spectrometer, in a diffuse reflection setup, showing reflectivity at the 1% level from 450cm-1 (13500 GHz) and 100cm-1(3000 GHz). The instrument collected power over a wide range of angles as Herman sketched thus
用户单位 | 采购时间 |
首都师范大学 | 2016/04/06 |
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