Research on dielectric properties of gallium arsenides by using THz-TDS

Jiusheng Li; Xiaoli Zhao; Jianrui Li

doi:10.1117/12.855861

2 December 2009 Research on dielectric properties of gallium arsenides by using THz-TDS

Jiusheng Li, Xiaoli Zhao, Jianrui Li

Proceedings Volume 7631, Optoelectronic Materials and Devices IV; 76310O (2009) https://doi.org/10.1117/12.855861
Event: Asia Communications and Photonics, 2009, Shanghai, Shanghai , China

Abstract

By using terahertz time domain spectroscopy (THz-TDS) system, the terahertz dielectric properties of various gallium arsenides were tested in the frequency range extending from 0.2 to 1.5 THz. The power absorption coefficient and refractive index of various resistivity gallium arsenides were measured and compared. The refractive index of the high resistivity and ultra-high resistivity GaAs are equal to be 6.53 and 5.9, respectively. The variation of the refractive index of the GaAs was less than 1%, ranging from 0.2 to 1.5THz, but the absorption coefficient of the ultra-high resistivity GaAs showed very different frequency-dependent behaviors, ranging from 0.02cm-1 to 2.21cm-1, within the investigated frequency range. The results show that the ultra-high resistivity GaAs will be a good candidate material for terahertz transmission waveguide.

Citation Download Citation

Jiusheng Li, Xiaoli Zhao, and Jianrui Li "Research on dielectric properties of gallium arsenides by using THz-TDS", Proc. SPIE 7631, Optoelectronic Materials and Devices IV, 76310O (2 December 2009); https://doi.org/10.1117/12.855861

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available