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Research

Goal and objectives

We combine material optics and development of ellipsometric methodology to analyse optical properties and nanostructures of bulk materials, thin films and their interfaces. Our main technique is spectroscopic ellipsometry which is based on analysis of changes in the state of polarization of light interacting with matter.

Our goal is to study advanced nanostructures by methods based on polarization optics and to contribute to the development of novel optical materials and devices.
Our main research objectives are,
• to combine material science and biology by optically study biological materials. We are especially interested in polarizing assemblies such as the Bouligand structure found in arthropods and stomatopods.
• to fabricate photonic structures and meta-materials inspired by the studies of biological materials. We are using different techniques to realize the structures, in most cases thin film deposition by magnetron sputtering.
• to liquid crystal based optical elements in order to develop novel optical components.

The LiU Spectroscopic Ellipsometry Laboratory

Our spectroscopic ellipsometry laboratory is equipped with several research grade instruments.

• A Mueller matrix dual rotating compensator ellipsometer (RC2) from J.A. Woollam Co.
Range: 210-1690 nm (0,7-5,9 eV)
• A Mueller matrix dual rotating compensator ellipsometer (RC2) from J.A. Woollam Co.
Range: 245-1690 nm (0,7-5,1 eV)
• A variable angle spectroscopic ellipsometer (VASE) from J.A. Woollam Co.
Range: 190-1690 nm (0.7-6.5 eV)
• An infrared variable angle spectroscopic ellipsometer (IR-VASE) from J.A. Woollam Co.
Range: 1.7-30 μm (333-5900 1/cm)

In addition: Basic equipment and chemistry lab for sample preparation, Gas mixing system with computer control, Optics laboratory for simple laboratory experiments, Electronics laboratory, Data acquisition systems and signal analysis tools.


Responsible for this page: Thomas Lingefelt
Last updated: 02/01/17