Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Printed origami thermoelectric generator achieves > 20 Wm<sup>-</sup>² from low-grade heat via material and process design.

Nature communications·2026
Same author

Enhanced Bandgap Flexibility in Perovskite-Silicon Tandem Solar Cells via Three-Terminal Architecture.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same author

Dental Caries Detection in Children Using Intraoral Scanners Featuring Fluorescence: Diagnostic Agreement Study.

JMIR public health and surveillance·2025
Same author

Application of metasurface in future displays.

Nanophotonics (Berlin, Germany)·2025
Same author

Interfacial design strategies for stable and high-performance perovskite/silicon tandem solar cells on industrial silicon cells.

Nature communications·2025
Same author

Milliwatt-scale 3D thermoelectric generators <i>via</i> additive screen printing.

Energy & environmental science·2025
Same journal

Controlled encapsulation and droplet size prediction in two-step microfluidic double emulsions.

Lab on a chip·2026
Same journal

A particulate blood-mimicking fluid with physiological biconcave geometry for microscale hemorheology.

Lab on a chip·2026
Same journal

Multicellular sensor arrays fabricated by capillary stamping for pattern-based odor discrimination.

Lab on a chip·2026
Same journal

A real-time microfluidic surveillance system for multiplex detection of heavy metal contamination in wastewater.

Lab on a chip·2026
Same journal

Vision-guided parallel manipulation of cells with optoelectronic tweezers.

Lab on a chip·2026
Same journal

Review of nanofluidic mass transport systems: engineering through physicochemical fields and interfacial properties.

Lab on a chip·2026
See all related articles

Related Experiment Video

Updated: May 12, 2026

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
08:48

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Published on: November 22, 2019

Single-mode biological distributed feedback laser.

Christoph Vannahme1, Florian Maier-Flaig, Uli Lemmer

  • 1Department of Micro and Nanotechnology, Technical University of Denmark, DTU Nanotech, Building 345B, 2800 Kongens Lyngby, Denmark. christoph.vannahme@nanotech.dtu.dk

Lab on a Chip
|March 28, 2013
PubMed
Summary
This summary is machine-generated.

Distributed feedback (DFB) lasers using vitamin B2-doped gelatin films were successfully fabricated on low refractive index materials. This research demonstrates novel DFB laser devices emitting at 543 nm and 562 nm.

More Related Videos

Construction and Characterization of External Cavity Diode Lasers for Atomic Physics
09:10

Construction and Characterization of External Cavity Diode Lasers for Atomic Physics

Published on: April 24, 2014

High-speed Continuous-wave Stimulated Brillouin Scattering Spectrometer for Material Analysis
07:55

High-speed Continuous-wave Stimulated Brillouin Scattering Spectrometer for Material Analysis

Published on: September 22, 2017

Related Experiment Videos

Last Updated: May 12, 2026

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
08:48

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Published on: November 22, 2019

Construction and Characterization of External Cavity Diode Lasers for Atomic Physics
09:10

Construction and Characterization of External Cavity Diode Lasers for Atomic Physics

Published on: April 24, 2014

High-speed Continuous-wave Stimulated Brillouin Scattering Spectrometer for Material Analysis
07:55

High-speed Continuous-wave Stimulated Brillouin Scattering Spectrometer for Material Analysis

Published on: September 22, 2017

Area of Science:

  • Optoelectronics
  • Materials Science
  • Photonics

Background:

  • Distributed feedback (DFB) lasers are crucial for various optical applications.
  • Developing cost-effective and efficient laser fabrication methods is an ongoing challenge.
  • Organic materials offer potential for novel laser functionalities.

Purpose of the Study:

  • To demonstrate single-mode second-order distributed feedback (DFB) lasers.
  • To utilize riboflavin (vitamin B2) doped gelatin films as the active laser medium.
  • To fabricate these lasers on nanostructured low refractive index materials.

Main Methods:

  • Simple UV nanoimprint lithography for creating nanostructures.
  • Spin-coating technique for depositing riboflavin-doped gelatin films.
  • Fabrication of second-order DFB gratings.

Main Results:

  • Successful demonstration of single-mode DFB lasers.
  • Emission wavelengths achieved at 543 nm and 562 nm.
  • Correlation between grating periods and emission wavelengths confirmed.

Conclusions:

  • Riboflavin-doped gelatin films are suitable for DFB laser applications.
  • UV nanoimprint and spin-coating offer a simple and effective fabrication route.
  • The demonstrated DFB lasers show potential for tunable optical sources.