Related Experiment Video
Updated: Oct 6, 2025

Interfacial Molecular-level Structures of Polymers and Biomacromolecules Revealed via Sum Frequency Generation Vibrational Spectroscopy
Published on: August 13, 2019
Tutorials in vibrational sum frequency generation spectroscopy. II. Designing a broadband vibrational sum frequency
James D Pickering1, Mikkel Bregnhøj1, Adam S Chatterley1
1Department of Chemistry, Aarhus University, Langelandsgade 140, 8000 Aarhus C, Denmark.
This tutorial introduces vibrational sum frequency generation (VSFG) spectroscopy for beginners. It details the design and construction of a broadband VSFG spectrometer, offering practical insights for new researchers.
Area of Science:
- Nonlinear Spectroscopy
- Surface Science
- Spectroscopic Techniques
Background:
- Vibrational Sum Frequency Generation (VSFG) spectroscopy is a powerful surface-sensitive technique.
- Understanding VSFG principles is crucial for surface and interface analysis.
- A lack of accessible introductory material hinders new researchers in nonlinear spectroscopy.
Purpose of the Study:
- To provide an accessible introduction to VSFG spectroscopy.
- To detail the design and construction of a broadband VSFG spectrometer.
- To serve as a practical guide for researchers new to VSFG.
Main Methods:
- Detailed description of a broadband VSFG spectrometer's design.
- Explanation of the construction process with specific instrumentation examples.
- Illustrative case study using the SurfLab instrument at Aarhus University.
Main Results:
- Comprehensive guide to VSFG spectrometer design and construction.
- In-depth information on instrumentation choices and rationale.
- Practical insights valuable for building and operating VSFG systems.
Conclusions:
- This tutorial demystifies VSFG spectrometer construction for non-experts.
- It equips new researchers with the knowledge to understand and potentially build VSFG instruments.
- Facilitates entry into the field of nonlinear spectroscopy and surface analysis.
Related Concept Videos
UV–Vis Spectrometers
IR Spectroscopy: Molecular Vibration Overview
Stretching vibrations are vibrational motions that occur along the bond line, changing the bond length or distance between two bonded atoms. They are further distinguished as symmetric or asymmetric. In symmetric stretching, the...
Atomic Absorption Spectroscopy: Instrumentation
The atomizer used in AAS can be either a flame atomizer or an...
Raman Spectroscopy Instrumentation: Overview
The monochromatic laser source, typically using visible or near-infrared radiation, generates a highly focused beam of light. This light interacts with the molecules of the sample, scattering some of the light. Liquid and gaseous samples are usually tested in ordinary glass capillaries, while solids can be analyzed as powders packed in capillaries or as potassium...
IR Spectrum Peak Splitting: Symmetric vs Asymmetric Vibrations
Ultraviolet and Visible (UV–Vis) Spectroscopy: Overview

