Thin film characterization using terahertz differential time-domain spectroscopy and double modulation

2001 ◽  
Author(s):  
Samuel P. Mickan ◽  
Kwang-Su Lee ◽  
Toh-Ming Lu ◽  
Edward Barnat ◽  
Jesper Munch ◽  
...  
Keyword(s):  
Thin Film ◽  
Time Domain ◽  
Time Domain Spectroscopy ◽  
Thin Film Characterization ◽  
Double Modulation

NOISE REDUCTION IN TERAHERTZ THIN FILM MEASUREMENTS USING A DOUBLE MODULATED DIFFERENTIAL TECHNIQUE

2002 ◽  
Vol 02 (01) ◽  
pp. R13-R28 ◽  
Author(s):  
SAMUEL P. MICKAN ◽  
DEREK ABBOTT ◽  
JESPER MUNCH ◽  
X.-C. ZHANG
Keyword(s):  
Thin Film ◽  
Thin Films ◽  
Integrated Circuits ◽  
Noise Reduction ◽  
Time Domain ◽  
Noise Levels ◽  
Differential Technique ◽  
Thin Film Characterization ◽  
Double Modulation

Differential terahertz (THz) time-domain spectroscopy (TDS) is a technique for decreasing noise levels in THz thin film characterization experiments. Characterizing thin films in the GHz to THz range is critical for the development of fast integrated circuits and photonic systems, and is potentially applicable to biosensors and proteomics. This paper shows how the differential technique, combined with double modulation, enables the study of thin films with noise reduction over normal TDS that improves at the film gets thinner. Double modulated differential THz-TDS has enabled the characterization of films with less than 1-μm thickness.

A DIELECTRIC PROPERTY ANALYSIS OF FERROELECTRIC THIN FILM USING TERAHERTZ TIME-DOMAIN SPECTROSCOPY

2007 ◽  
Vol 95 (1) ◽  
pp. 83-91 ◽  
Author(s):  
HAN-CHEOL RYU ◽  
MIN-HWAN KWAK ◽  
SEUNG-BEOM KANG ◽  
SE-YOUNG JEONG ◽  
MUN-CHEOL PAEK ◽  
...  
Keyword(s):  
Thin Film ◽  
Dielectric Property ◽  
Time Domain ◽  
Ferroelectric Thin Film ◽  
Terahertz Time Domain Spectroscopy ◽  
Time Domain Spectroscopy ◽  
Property Analysis

scholarly journals Limitation in thin-film sensing with transmission-mode terahertz time-domain spectroscopy

2014 ◽  
Vol 22 (1) ◽  
pp. 972 ◽  
Author(s):  
Withawat Withayachumnankul ◽  
John F. O’Hara ◽  
Wei Cao ◽  
Ibraheem Al-Naib ◽  
Weili Zhang
Keyword(s):  
Thin Film ◽  
Time Domain ◽  
Transmission Mode ◽  
Terahertz Time Domain Spectroscopy ◽  
Time Domain Spectroscopy

Terahertz time-domain spectroscopy technique for characterizing GaN thin film

2006 ◽  
Author(s):  
Tsong-Ru Tsai ◽  
Shi-Jie Chen ◽  
Chih-Fu Chang ◽  
Tai-Yuan Lin ◽  
Cheng-Chung Chi
Keyword(s):  
Thin Film ◽  
Time Domain ◽  
Spectroscopy Technique ◽  
Terahertz Time Domain Spectroscopy ◽  
Time Domain Spectroscopy
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