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Supercontinuum generation in 1-decanol.

Nathan G Drouillard, Jacob A Stephen, Chathurangani Jayalath Arachchige

|February 20, 2026

Summary

This summary is machine-generated.

1-decanol liquid offers a stable, less toxic alternative for ultrafast nonlinear optics experiments. It generates a broad supercontinuum spectrum, comparable to CS2, with significant nonlinear properties.

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Area of Science:

Nonlinear Optics
Ultrafast Spectroscopy

Background:

Solids are used for spectral broadening in ultrafast experiments due to high nonlinearity but suffer from damage sensitivity.
Liquids present an alternative nonlinear medium with comparable nonlinearity and better resistance to permanent damage.

Purpose of the Study:

To investigate 1-decanol as a stable, less toxic liquid nonlinear medium for ultrafast experiments.
To characterize the supercontinuum generation and nonlinear optical properties of 1-decanol.

Main Methods:

Generation of a supercontinuum spectrum in 1-decanol.
Measurement of the nonlinear index of refraction, including the n4 contribution.

Main Results:

A supercontinuum spanning approximately 450 nm to 950 nm was generated in 1-decanol.
1-decanol exhibits a significant n4 contribution, resulting in nonlinearity comparable to CS2.
The generated supercontinuum spectrum remained stable for at least 30 minutes.

Conclusions:

1-decanol is a promising liquid nonlinear medium for ultrafast applications.
Its comparable nonlinearity to CS2, coupled with lower volatility and toxicity, makes it advantageous.
The observed spectral stability supports its use in long-term experiments.