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Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
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5-J 1.8-microsec pulse 10-pps dye laser for combustion applications.

C K Miller1, J W Lavasek, E D Jones

  • 1Sandia National Laboratories, Albuquerque, New Mexico 87185, USA.

Applied Optics
|April 15, 2010
PubMed
Summary
This summary is machine-generated.

A new tunable dye laser system was developed for spontaneous Raman scattering experiments in combustion environments. This system features advanced diagnostics and control for precise measurements in flames.

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Area of Science:

  • Laser physics and spectroscopy
  • Combustion science and diagnostics
  • Optical engineering

Background:

  • Spontaneous Raman scattering is a powerful diagnostic technique for in-situ species concentration and temperature measurements in combustion.
  • Previous laser systems faced limitations in energy, pulse width, or tunability for complex combustion environments.
  • The Combustion Research Facility requires robust and precise laser instrumentation for advanced combustion studies.

Purpose of the Study:

  • To design and construct a flashlamp-pumped tunable dye laser system optimized for spontaneous Raman scattering experiments.
  • To integrate a microprocessor-based system for diagnostics and control of the laser.
  • To evaluate the performance of the developed laser system under relevant operating conditions.

Main Methods:

  • Construction of a 5-J/pulse, 1.8-microsec pulse width, 10-Hz tunable dye laser.
  • Implementation of a microprocessor-based control and diagnostic system.
  • Testing and characterization of laser performance, including energy output, pulse stability, and spectral characteristics.

Main Results:

  • The constructed laser system meets the specified performance parameters for spontaneous Raman scattering.
  • The microprocessor control system enables stable and reliable operation.
  • Initial tests demonstrate the system's suitability for probing combusting media.

Conclusions:

  • A versatile and high-performance tunable dye laser system has been successfully developed for combustion diagnostics.
  • The integrated control system enhances experimental reproducibility and data acquisition.
  • This laser system provides a valuable tool for advancing research in combustion science.