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A Multimodal Wide-Field Fourier-Transform Raman Microscope
Published on: December 30, 2025
Mie scattering interferometer and its application to the study of Raman scattering from molecules at a mercury
A Z Genack1, K P Leung, H W Deckman
1Exxon Research & Engineering Company, Clinton Township, Route 22 East, Annandale, New Jersey 08801, USA.
Applied Optics
|December 1, 1984
Summary
A novel interferometer based on Mie scattering measures distances with high precision. This technique sets an upper limit on Raman scattering enhancement at liquid-mercury interfaces.
Area of Science:
- Physics
- Optics
- Surface Science
Background:
- Mie scattering of laser light produces interference fringes.
- These fringes can form the basis of a simple interferometer.
- Interferometers are valuable tools for precise distance measurements.
Purpose of the Study:
- To develop and utilize a novel interferometer for precise distance measurements.
- To measure the height of a liquid above a mercury surface.
- To investigate the enhancement of Raman scattering (RS) at interfaces.
Main Methods:
- Observation of interference fringes generated by Mie scattering from microstructures above a reflecting surface.
- Construction and application of a simple interferometer for distance measurement.
- Measurement of Raman scattering from a liquid interface with mercury.
Main Results:
- The interferometer successfully measured distances ranging from angstroms to centimeters.
- The height of a liquid above a mercury surface was determined.
- An upper limit of 10^3 was established for Raman scattering enhancement at the interface.
Conclusions:
- Mie scattering-based interferometry offers a versatile method for precise distance measurements.
- The study provides insights into the behavior of Raman scattering at liquid-metal interfaces.
- Further theoretical examination of Raman scattering enhancement in wedge geometries is warranted.
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