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Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation
Published on: February 25, 2017
Broadband optical pulse scattering from a glass fiber
Marc Currie1, Janet W Lou, Jay D Eversole
1Optical Sciences Division, Naval Research Laboratory, Washington, D.C. 20375, USA. marc.currie@nrl.navy.mil
Applied Optics
|November 12, 2009
Summary
This study uses femtosecond laser pulses for scattering measurements, revealing spectral periodicity in scattered light. This technique offers robust characterization of scattering objects, even with noise.
Area of Science:
- Optics and Photonics
- Materials Science
- Spectroscopy
Background:
- Scattering measurements provide valuable information about materials.
- Short-pulse lasers offer potential for high-resolution experiments.
- Variations in particle size can complicate scattering analysis.
Purpose of the Study:
- To investigate scattering patterns using femtosecond pulses.
- To establish a baseline for angular scattering intensity.
- To analyze the spectral periodicity of broadband scattered light.
Main Methods:
- Utilized femtosecond laser pulses for scattering experiments.
- Employed glass fibers (9 and 50 micrometers) to control particle size.
- Measured angular scattering patterns and spectral characteristics using a spectrometer.
Main Results:
- Established an angular scattering intensity baseline.
- Observed spectral smoothing due to short pulse spectral width.
- Revealed underlying spectral periodicity in broadband scattered light, consistent with narrowband scattering.
- Experimental results align well with theoretical predictions.
Conclusions:
- Femtosecond pulse scattering provides rich data in a single experiment.
- The method demonstrates robust characterization of scattering objects.
- The approach is effective even in the presence of experimental noise.