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Biomaterial Disk Lasers by Suppressing the Coffee Ring Effect.

I Bakis Dogru¹, Rustamzhon Melikov², Sedat Nizamoglu^1,2,3

¹Graduate School of Biomedical Sciences and Engineering, Koc University, Sariyer, Istanbul 34450, Turkey.

ACS Biomaterials Science & Engineering

|January 9, 2021

Summary

This summary is machine-generated.

We created self-assembled disk lasers using biomaterials like silk fibroin and polyvinylpyrrolidone. These flexible, transient photonic devices offer tunable laser emission and eco-friendly production.

Keywords:

biopolymer disk resonator microcavity self-assembly whispering gallery mode

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Area of Science:

Materials Science
Optics
Biotechnology

Background:

The coffee ring effect typically leads to uneven material deposition.
Whispering gallery mode (WGM) resonators are crucial for laser light generation.
Biomaterials offer potential for environmentally friendly photonic devices.

Purpose of the Study:

To develop self-assembled disk lasers using biomaterials.
To explore the use of silk fibroin and polyvinylpyrrolidone for laser fabrication.
To investigate the tunability and properties of biomaterial-based disk lasers.

Main Methods:

Utilized principles of coffee ring effect suppression for self-assembly.
Fabricated disk resonators from silk fibroin and polyvinylpyrrolidone.
Integrated organic dyes for laser light generation within the resonators.
Characterized laser emission properties and material flexibility.

Main Results:

Successfully formed self-assembled disk lasers from silk fibroin and polyvinylpyrrolidone.
Demonstrated whispering gallery mode resonance for laser action.
Achieved flexible, physically transient lasers adaptable to various substrates.
Showcased tunable laser emission by altering disk size.

Conclusions:

Biomaterial-based disk lasers can be fabricated using self-assembly principles.
These lasers offer tunable emission, flexibility, and environmental degradability.
This approach enables waste-free production of novel photonic devices.