Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Nonideal Two-Component Liquid Solutions

Nonideal Two-Component Liquid Solutions

Nonideal liquid solutions, also known as real solutions, do not strictly follow Raoult's law. Raoult's law is a rule of thumb in physical chemistry. However, not all mixtures adhere to this law due to varying molecular interactions. For example, in an acetone/chloroform solution, the individual vapor pressures of the components are lower than expected, resulting in a total vapor pressure below that predicted by Raoult's law, causing a negative deviation.On the other hand, in an ethanol/water...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Optical properties of poly(N-vinylcarbazole)-based guest-host photorefractive polymer systems.

Applied optics·2010

Same author

The Mayo Clinic and the Canadians.

Canadian Medical Association journal·2010

Same author

A polymorphism in the VKORC1 regulator calumenin predicts higher warfarin dose requirements in African Americans.

Clinical pharmacology and therapeutics·2010

Same author

Net two-beam-coupling gain in a polymeric photorefractive material.

Optics letters·2009

Same author

Fabrication of birefringent gratings using nonlinear polysilane thin films.

Optics letters·2009

Same author

Near-infrared holography by two-photon photochemistry.

Optics letters·2009

Search research articles

Related Experiment Video

Updated: Jul 11, 2026

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

Exceptionally thermally stable polyimides for second-order nonlinear optical applications.

T Verbiest, D M Burland, M C Jurich

Science (New York, N.Y.)

|June 16, 1995

Summary

This summary is machine-generated.

New "donor-imbedded" polyimides exhibit remarkable thermal stability for nonlinear optical (NLO) applications. These materials maintain their poled order at high temperatures, outperforming traditional tethered NLO polymers.

More Related Videos

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures

Published on: May 20, 2014

Preparation of Liquid Crystal Networks for Macroscopic Oscillatory Motion Induced by Light

Preparation of Liquid Crystal Networks for Macroscopic Oscillatory Motion Induced by Light

Published on: September 20, 2017

Related Experiment Videos

Last Updated: Jul 11, 2026

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures

Published on: May 20, 2014

Preparation of Liquid Crystal Networks for Macroscopic Oscillatory Motion Induced by Light

Preparation of Liquid Crystal Networks for Macroscopic Oscillatory Motion Induced by Light

Published on: September 20, 2017

Area of Science:

Materials Science
Polymer Chemistry
Optoelectronics

Background:

Nonlinear optical (NLO) polymers are crucial for advanced photonic applications.
Maintaining electric field induced poled order at high temperatures is a key challenge.
Existing side-chain polymers often lack sufficient thermal stability due to flexible tethers.

Purpose of the Study:

To investigate the thermal stability of electric field induced poled order in novel "donor-imbedded" side-chain polyimides.
To compare the stability of these new polymers with traditional NLO polymers.
To assess the potential of these materials for high-temperature NLO applications.

Main Methods:

Synthesis of "donor-imbedded" side-chain polyimides with backbone-incorporated chromophores.
Electric field poling to induce nonlinear optical order.
Thermal analysis (e.g., TGA) to determine chemical stability.
Measurement of poled order stability at elevated temperatures.

Main Results:

The "donor-imbedded" polyimides demonstrated exceptional chemical stability up to 350°C.
Significant poled order stability was observed even at 300°C.
These new polymers were substantially more stable than conventional side-chain polyimides with flexible tethers.

Conclusions:

"Donor-imbedded" side-chain polyimides offer superior thermal and poled order stability compared to traditional NLO polymers.
The backbone incorporation of the NLO chromophore eliminates the need for flexible tethers, enhancing stability.
These findings suggest promising applications for these materials in demanding, high-temperature photonic devices.