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Moiré pattern generation by dual shearing and its modulation by surface plasmon resonance
Optics Letters
|April 15, 2015
Summary
We demonstrate novel Moiré fringe generation using surface plasmon resonance (SPR) with birefringent optics. This technique offers potential for advanced photonic applications in sensing and imaging.
Area of Science:
- Optics and Photonics
- Surface Plasmon Resonance (SPR)
- Nanophotonics
Background:
- Moiré fringe generation is a well-established optical phenomenon.
- Surface plasmon resonance (SPR) offers unique light-matter interaction properties.
- Combining these fields can lead to novel photonic functionalities.
Purpose of the Study:
- To theoretically and experimentally investigate SPR-mediated Moiré fringe generation.
- To explore the use of birefringent lens (BL) and Wollaston prism for dual shearing.
- To demonstrate potential applications in sensing and imaging.
Main Methods:
- Utilized a birefringent lens (BL) for radial shear and a Wollaston prism for lateral shear.
- Investigated coherent and incoherent Moiré fringe generation through dual shearing.
- Demonstrated Moiré pattern modulation via analyzer axis rotation and plasmonic excitation.
Main Results:
- Successfully generated Moiré-like patterns in the overlapping region of sheared beams.
- Observed the dynamic behavior of Moiré patterns with optical element rotation.
- Showcased the influence of plasmonic excitation on the generated patterns.
Conclusions:
- A novel method for SPR-mediated Moiré fringe generation using dual shearing is established.
- The technique provides a platform for controlling and observing Moiré patterns.
- This approach holds promise for developing advanced photonic devices for sensing and imaging.
