Prof. Lei Wang Profile

Prof. Lei Wang

at Nanjing Univ. of Posts And Telecommunications

SPIE Involvement:

Author

Publications (1)

This will count as one of your downloads.

You will have access to both the presentation and article (if available).

DOWNLOAD NOW

This content is available for download via your institution's subscription. To access this item, please sign in to your personal account.

Email or Username Forgot your username?

Password Forgot your password?

Show

Keep me signed in

No SPIE account? Create an account

Proceedings Article | 1 March 2019 Presentation + Paper

Terahertz wave manipulation and detection based on liquid crystals

L. Wang, Y. Lu, M. Nakajima

Proceedings Volume 10941, 109410D (2019) https://doi.org/10.1117/12.2507441

KEYWORDS: Terahertz radiation, Liquid crystals, Electrodes, Polarization, Imaging systems, Graphene, Wave plates, Metamaterials, Magnetism, Birefringence

Read Abstract +

Liquid crystals (LCs) have very attractive properties that the response can be controlled by the external stimulus such as electric field and temperature. Terahertz (THz) devices based on LC have wide applications. But the development of high-performance LC THz functional devices is still in its infancy. We firstly develop a large birefringence LC material in THz range. Then broadband tunable transmissive driven with porous graphene and reflective THz waveplates based on this LC are proposed. Furthermore, graphene-assisted high efficiency tunable THz metamaterial absorber is demonstrated. A magnetically and electrically polarization-tunable THz emitter that integrates a ferromagnetic heterostructure and the large-birefringence LC is also demonstrated. Last but not least, we use a temperaturesupersensitive cholesteric liquid crystal (CLC) to not only measure the beam profiles but also detect the powers of THz waves generated from a nonlinear crystal pumped by a table-top laser, which is visible, cost-effective, portable and robust at room temperature. These LC based THz devices can be used in applications such as THz imaging, biological sensing, and inspection.

My Library

You currently do not have any folders to save your paper to! Create a new folder below.

Folder Name

Folder Description

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Access to the requested content is limited to institutions that have purchased or subscribe to SPIE eBooks. You are receiving this notice because your organization may not have SPIE eBooks access.*

*Shibboleth/Open Athens users─please sign in to access your institution's subscriptions.

To obtain this item, you may purchase the complete book in print or electronic format on SPIE.org.

ORGANIZATIONAL
Sign in with credentials provided by your organization.

Organizational Username

Organizational Password

Show/Hide Password

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

Members:

Non-members: ADD TO CART

Keywords/Phrases

Search In:

Publication Years