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Search Publications by: Young Jong Lee (Fed)

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Displaying 1 - 25 of 79

Single-Detector Double-Beam Modulation for High-Sensitivity Infrared Spectroscopy

October 25, 2023
Author(s)
Seongmin Kim, Yow-Ren Chang, Young Jong Lee
Balanced detection based on double beams is widely used to reduce common-mode noises, such as laser intensity fluctuation and irregular wavelength scanning, in absorption spectroscopy. However, employing an additional detector can increase the total system

Coherent anti-Stokes Raman scattering (CARS) microscopy for polymers

April 1, 2022
Author(s)
Shuyu Xu, Charles Camp, Young Jong Lee
Coherent anti-Stokes Raman scattering (CARS) microscopy is a label-free chemical imaging modality capable of interrogating local molecular composition, concentration, and even orientation. In comparison to traditional Raman spectroscopy/imaging, CARS

Imaging 3D molecular orientation by orthogonal-pair polarization IR microscopy

February 28, 2022
Author(s)
Shuyu Xu, Chad R. Snyder, Jeremy Rowlette, Young Jong Lee
Anisotropic molecular alignment occurs ubiquitously and often heterogeneously in three dimensions (3D). However, conventional imaging approaches based on polarization can map only molecular orientation projected onto the 2D polarization plane. Here, an

Theory of Birefringence Correction for Polarization-Controlled CARS

March 16, 2020
Author(s)
Young J. Lee
Polarization-controlled coherent Raman spectroscopy is used as a high-throughput method to characterize the anisotropic nature of a molecular system, such as the molecular orientation distribution. However, optical birefringence originating from the

Position- and Polarization-Specific Waveguiding of Multi-Emissions in Single ZnO Nanorods

June 19, 2019
Author(s)
Bonghwan Chon, Johnson Truong, Matthew Hansen, Jong-in Hahm, Young Jong Lee
We examine multiphoton-produced optical signals waveguided through single ZnO nanorods (NRs) using a newly developed, scanning offset-emission hyper- spectral microscopy (SOHM) technique. Specifically, we concurrently analyze waveguiding behaviors of sum
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