DocumentCode
2971839
Title
An investigation of beam focusing perturbations in THz spectroscopy measurements
Author
Stringer, M.R. ; Naftaly, M. ; Marakgos, N. ; Miles, R.E. ; Linfield, E. ; Davies, A.G.
Author_Institution
Sch. of Electron. & Electr. Eng., Leeds Univ., UK
Volume
2
fYear
2005
fDate
19-23 Sept. 2005
Firstpage
421
Abstract
We present evidence that THz spectroscopy measurements performed using a focused beam result in an increase of calculated sample refractive index, compared to that measured under plane wave conditions. No significant differences were found in sample absorption properties.
Keywords
optical focusing; refractive index measurement; submillimetre wave measurement; submillimetre wave spectroscopy; THz spectroscopy measurements; beam focusing perturbations; plane wave conditions; refractive index; sample absorption properties; Absorption; Focusing; Frequency measurement; Laser beams; Optical pumping; Optical refraction; Optical variables control; Performance evaluation; Refractive index; Spectroscopy;
fLanguage
English
Publisher
ieee
Conference_Titel
Infrared and Millimeter Waves and 13th International Conference on Terahertz Electronics, 2005. IRMMW-THz 2005. The Joint 30th International Conference on
Print_ISBN
0-7803-9348-1
Type
conf
DOI
10.1109/ICIMW.2005.1572592
Filename
1572592
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