Imaging with a Terahertz quantum cascade laser

被引：128

作者：

Darmo, J ^{[1
]}

Tamosiunas, V

Fasching, G

Kröll, J

Unterrainer, K

Beck, M

Giovannini, M

Faist, J

Kremser, C

Debbage, P

机构：

[1] Vienna Univ Technol, Inst Solid State Elect, A-1040 Vienna, Austria

[2] Univ Neuchatel, Inst Phys, CH-2000 Neuchatel, Switzerland

[3] Univ Innsbruck, Dept Radiol, A-6020 Innsbruck, Austria

[4] Univ Innsbruck, Dept Histol & Mol Cell Biol, A-6020 Innsbruck, Austria

来源：

OPTICS EXPRESS | 2004年 / 12卷 / 09期

关键词：

D O I：

10.1364/OPEX.12.001879

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate bio-medical imaging using a Terahertz quantum cascade laser. This new optoelectronic source of coherent Terahertz radiation allows building a compact imaging system with a large dynamic range and high spatial resolution. We obtain images of a rat brain section at 3.4 THz. Distinct regions of brain tissue rich in fat, proteins, and fluid-filled cavities are resolved showing the high contrast of Terahertz radiation for biological tissue. These results suggest that continuous-wave Terahertz imaging with a carefully chosen wavelength can provide valuable data on samples of biological origin; these data appear complementary to those obtained from white-light images. (C) 2004 Optical Society of America.

引用

页码：1879 / 1884

页数：6

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