Differential imaging using a THz-wave parametric oscillator

Author

Minamide, Hiroaki ; Kawase, Kodo ; Imai, Kazuhiro ; Ito, Hiromasa

Author_Institution

Photodynamics Res. Center, RIKEN, Sendai, Japan

fYear

2002

fDate

2002

Firstpage

153

Lastpage

156

Abstract

We demonstrate THz-wave imaging using a widely tunable THz-wave parametric oscillator. Two Si-bolometer detectors were used to obtain stable measurements. The imaging system was controlled by a PC using the program Labview. The targets of the THz-wave imaging were a T-shaped piece of polyethylene and a P-shaped piece of Teflon within an envelope that was opaque for visible light. We obtained clear images at 1.6 and 1.8 THz. Moreover, a unique differential image was successfully derived from the difference between the 1.6 and 1.8 THz images.

Keywords

bolometers; computerised instrumentation; parametric oscillators; submillimetre wave imaging; submillimetre wave oscillators; submillimetre wave spectroscopy; tuning; 1.6 THz; 1.8 THz; Labview program; P-shaped Teflon; PC-controlled system; Si; Si bolometer detectors; T-shaped polyethylene; THz-wave imaging; THz-wave parametric oscillator; differential imaging; stable measurements; tunable source; Biomedical imaging; Frequency; Laser excitation; Laser tuning; Light scattering; Mirrors; Optical imaging; Optical pulse generation; Oscillators; Tunable circuits and devices;

fLanguage

English

Publisher

ieee

Conference_Titel

Terahertz Electronics Proceedings, 2002. IEEE Tenth International Conference on

Print_ISBN

0-7803-7630-7

Type

conf

DOI

10.1109/THZ.2002.1037616

Filename

1037616