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James R Leger

Professor

1978 …2020
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Research interests

My research group is studying a wide variety of optical techniques, including laser mode control and beam shaping techniques, spectral and coherent laser beam combining, optical metrology, design of nonclassical imaging systems, and microoptical engineering.  

Fingerprint The Fingerprint is created by mining the titles and abstracts of the person's research outputs and projects/funding awards to create an index of weighted terms from discipline-specific thesauri.

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Projects 2001 2020

Fundamental Analyses and Techniques of Plenoptic Imaging

Leger, J. R., Haupt, J. D., Meyer, G. W. & Talghader, J. J.

USDOD DEFENSE ADV RES PROJECTS

1/18/16 → 7/31/20

Project: Research project

Fibers and pulse combination for super-linear power scal

Leger, J. R.

University of Southampton

9/30/14 → 9/29/19

Project: Research project

scaling
fibers
pulses

Applications of Graded Index Optics to Coherent Laser Sy

Leger, J. R.

University of Rochester

6/16/12 → 8/15/15

Project: Research project

gradient index optics
lasers

High Brightness Laser Beam Additional: Assessing Physica

Leger, J. R. & Talghader, J. J.

USDOD AIR FORCE

8/15/10 → 2/14/14

Project: Research project

Seeing Threads and Skins: Novel Imaging Systems with Ext

Leger, J. R.

National Science Foundation

7/9/09 → 9/30/12

Project: Research project

Skin

Research Output 1978 2019

Kramers-Kronig self-phasing effect in passive beam combining resonators

Kunkel, W. M. & Leger, J. R., Jan 1 2019, Laser Resonators, Microresonators, and Beam Control XXI. Ilchenko, V. S., Kudryashov, A. V. & Paxton, A. H. (eds.). SPIE, 109041N. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10904).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Resonator
Resonators
Tuning
resonators
Wavelength

Passive Coherent Laser Beam Combining with Spatial Mode Selecting Feedback

Minster Kunkel, W. & Leger, J. R., Aug 1 2019, In : IEEE Journal of Quantum Electronics. 55, 4, 8747414.

Research output: Contribution to journal › Article

Laser modes
Laser beams
Resonators
resonators
laser beams
4 Citations (Scopus)

Gain dependent self-phasing in a two-core coherently combined fiber laser

Minster Kunkel, W. & Leger, J. R., Apr 16 2018, In : Optics Express. 26, 8, p. 9373-9388 16 p.

Research output: Contribution to journal › Article

fiber lasers
phase error
lasing
mathematical models
tuning

Gradient-index beam shapers: Fabricated devices and 3D design method

Kunkel, W. M., Ghoreyshi, A., Douglass, G., Gross, S., Withford, M. J. & Leger, J. R., Jan 1 2018, Laser Resonators, Microresonators, and Beam Control XX. Kudryashov, A. V., Ilchenko, V. S. & Paxton, A. H. (eds.). SPIE, Vol. 10518. 105181S

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

shapers
Design Method
Gradient
gradients
Refractive Index

Light-field reconstruction from scattered light using plenoptic data

Sasaki, T. & Leger, J. R., Jan 1 2018, Unconventional and Indirect Imaging, Image Reconstruction, and Wavefront Sensing 2018. Dolne, J. J. & Bones, P. J. (eds.). SPIE, Vol. 10772. 1077203

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Integral equations
integral equations
Half line
Integral Equations
Scattering