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 Experiment Videos

Simple multiwavelength time-division multiplexed light source for sensing applications.

Thilo Kraetschmer1, Daryl Dagel, Scott T Sanders

  • 1Department of Mechanical Engineering, Engine Research Center, University of Wisconsin-Madison, Madison, WI 53706, USA. kraetschmer@wisc.edu

Optics Letters
|April 3, 2008
PubMed
Summary
This summary is machine-generated.

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

Demonstration of partially transparent thick metallic sodium in the vacuum ultraviolet spectral range: comment.

Optics express·2026
Same author

Toward inverse backscatter absorption gas imaging: imaging a dry gas plume with ambient H<sub>2</sub>O absorption.

Optics express·2025
Same author

Comparison of Frequency-Domain and Time-Domain Baseline Correction Approaches for Infrared Absorption Spectroscopy of Mixtures Containing Up to 464 Components.

Applied spectroscopy·2024
Same author

Time-resolved absorption spectroscopy in electron beam melting with blue vertical-cavity surface-emitting lasers.

Optics express·2023
Same author

Tomographic absorption spectroscopy based on dictionary learning.

Optics express·2021
Same author

Multispecies absorption spectroscopy of detonation events at 100  kHz using a fiber-coupled, time-division-multiplexed quantum-cascade-laser system.

Applied optics·2016
Same journal

Gaussian-modulated continuous-variable quantum key distribution over 60 km fiber using an integrated silicon photonic receiver.

Optics letters·2026
Same journal

E2E-OCT: end-to-end joint learning model using optical coherence tomography images for vocal cord leukoplakia diagnosis.

Optics letters·2026
Same journal

Holographic generation of panoramic 3D scenes by concave ellipsoidal mirror reflection.

Optics letters·2026
Same journal

Dual-pilot phase recovery with pair-wise maximum-ratio combining for coherent PONs.

Optics letters·2026
Same journal

Mapping the whispering gallery modes of a CaF<sub>2</sub> disk resonator with half-tapered fibers to estimate the fundamental mode volume.

Optics letters·2026
Same journal

Quantitative estimation of deep-subwavelength scale via dark-field scattering axial energy concentration decay profiles.

Optics letters·2026
See all related articles

This study introduces a novel laser emitting 19 narrow wavelengths every 15 microseconds. This multiwavelength, time-division multiplexed laser has no moving parts and offers custom spectral output.

Area of Science:

  • Optics and Photonics
  • Laser Technology
  • Materials Science

Background:

  • Traditional lasers often have limitations in spectral flexibility and speed.
  • The demand for tunable and rapidly switchable light sources is increasing across various scientific and industrial applications.
  • Existing multiwavelength laser systems may involve complex mechanical components or slower switching times.

Purpose of the Study:

  • To develop and demonstrate a novel laser design capable of rapidly cycling through multiple discrete wavelengths.
  • To achieve precise temporal control over wavelength selection in a compact, solid-state system.
  • To enable custom spectral output profiles for advanced applications.

Main Methods:

  • Design of a multiwavelength, time-division multiplexed laser system.

Related Experiment Videos

  • Utilizing a matched compressor/stretcher and a custom waveform generator for modulation.
  • Implementation with a pulsed semiconductor optical amplifier in an all-fiber cavity with fiber Bragg gratings.
  • Achieving continuous cycling through N spectrally narrow wavelengths with fixed dwell times.

    • Main Results:

    • Demonstration of a laser cycling through 19 wavelengths in the 1333-1377 nm spectral band.
    • Achieved a full wavelength cycle time of 15 microseconds.
    • The laser system operates without any moving parts.
    • Exhibited narrow spectral linewidths and high repetition rates.
    • Enabled custom spectral profiling of the output.

    Conclusions:

    • The novel laser design provides a robust and efficient method for generating rapidly switchable multiwavelength output.
    • The system's solid-state nature and high speed make it suitable for applications requiring dynamic spectral control.
    • This technology opens possibilities for advanced spectroscopy, optical communications, and sensing.