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Journal Articles

Rapid Modeling of Photopolymerization in Projection Two-Photon Lithography Via an Operator Splitting Finite Difference Method

Rushil Pingali, Sourabh K. Saha
Journal: Journal of Micro and Nano Science and Engineering
Publisher: ASME
Article Type: Research-Article
J. Micro Nano Sci. Eng. March 2024, 12(1): 011001.
Paper No: JMNM-23-1062
https://doi.org/10.1115/1.4065706
Published Online: September 17, 2024
View Article titled, Rapid Modeling of Photopolymerization in Projection Two-Photon Lithography Via an Operator Splitting Finite Difference Method
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Topics: Diffusion (Physics), Finite difference methods, Lithography, Modeling, Photons, Physics, Printing, Simulation, Polymerization, Additive manufacturing
Proceedings Papers

Low-Cost Nanoscale Metal Printing Beyond the Diffraction Limit via Off-Focus Light Projection

Jungho Choi, Sourabh K. Saha
Proc. ASME. MSEC2023, Volume 2: Manufacturing Equipment and Automation; Manufacturing Processes; Manufacturing Systems; Nano/Micro/Meso Manufacturing; Quality and Reliability, V002T08A003, June 12–16, 2023
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2023-104955
https://doi.org/10.1115/MSEC2023-104955
View Paper titled, Low-Cost Nanoscale Metal Printing Beyond the Diffraction Limit via Off-Focus Light Projection
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Topics: Diffraction, Metals, Nanoscale phenomena, Printing, Manufacturing, Electronics, Ions, Lasers, Nanoparticles, Nanostructures
Proceedings Papers

Printability Prediction in Projection Two-Photon Lithography via Machine Learning Based Surrogate Modeling of Photopolymerization

Rushil Pingali, Sourabh K. Saha
Proc. ASME. MSEC2023, Volume 2: Manufacturing Equipment and Automation; Manufacturing Processes; Manufacturing Systems; Nano/Micro/Meso Manufacturing; Quality and Reliability, V002T08A002, June 12–16, 2023
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2023-104934
https://doi.org/10.1115/MSEC2023-104934
View Paper titled, Printability Prediction in Projection Two-Photon Lithography via Machine Learning Based Surrogate Modeling of Photopolymerization
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Topics: Lithography, Machine learning, Metamodeling, Photons, Polymerization
Journal Articles

Printability Prediction in Projection Two-Photon Lithography Via Machine Learning Based Surrogate Modeling of Photopolymerization

Rushil Pingali, Sourabh K. Saha
Journal: Journal of Micro and Nano-Manufacturing
Publisher: ASME
Article Type: Research-Article
J. Micro Nano-Manuf. September 2022, 10(3): 031005.
Paper No: JMNM-23-1015
https://doi.org/10.1115/1.4063021
Published Online: August 8, 2023
View Article titled, Printability Prediction in Projection Two-Photon Lithography Via Machine Learning Based Surrogate Modeling of Photopolymerization
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Topics: Artificial neural networks, Diffusion (Physics), Lasers, Lithography, Metamodeling, Photons, Photoresists, Polymerization, Printing, Simulation
Proceedings Papers

Minimizing Shrinkage in Microstructures Printed With Projection Two-Photon Lithography

Harnjoo Kim, Sourabh K. Saha
Proc. ASME. MSEC2022, Volume 1: Additive Manufacturing; Biomanufacturing; Life Cycle Engineering; Manufacturing Equipment and Automation; Nano/Micro/Meso Manufacturing, V001T07A025, June 27–July 1, 2022
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2022-86076
https://doi.org/10.1115/MSEC2022-86076
View Paper titled, Minimizing Shrinkage in Microstructures Printed With Projection Two-Photon Lithography
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Topics: Additive manufacturing, Lithography, Photons, Polymerization, Shrinkage (Materials)
Journal Articles

Reaction-Diffusion Modeling of Photopolymerization During Femtosecond Projection Two-Photon Lithography

Rushil Pingali, Sourabh K. Saha
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. February 2022, 144(2): 021011.
Paper No: MANU-21-1316
https://doi.org/10.1115/1.4051830
Published Online: August 5, 2021
View Article titled, Reaction-Diffusion Modeling of Photopolymerization During Femtosecond Projection Two-Photon Lithography
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Topics: Diffusion (Physics), Lasers, Lithography, Modeling, Photons, Polymerization, Printing, Simulation, Nanowires, Photopolymers
Proceedings Papers

Reaction-Diffusion Modeling of Photopolymerization During Femtosecond Projection Two-Photon Lithography

Rushil Pingali, Sourabh K. Saha
Proc. ASME. MSEC2021, Volume 2: Manufacturing Processes; Manufacturing Systems; Nano/Micro/Meso Manufacturing; Quality and Reliability, V002T08A003, June 21–25, 2021
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2021-60255
https://doi.org/10.1115/MSEC2021-60255
View Paper titled, Reaction-Diffusion Modeling of Photopolymerization During Femtosecond Projection Two-Photon Lithography
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Topics: Diffusion (Physics), Lasers, Lithography, Modeling, Photons, Polymerization
Journal Articles

Effect of Proximity of Features on the Damage Threshold During Submicron Additive Manufacturing Via Two-Photon Polymerization

Sourabh K. Saha, Chuck Divin, Jefferson A. Cuadra, Robert M. Panas
Journal: Journal of Micro and Nano-Manufacturing
Publisher: ASME
Article Type: Research-Article
J. Micro Nano-Manuf. September 2017, 5(3): 031002.
Paper No: JMNM-16-1029
https://doi.org/10.1115/1.4036445
Published Online: May 12, 2017
View Article titled, Effect of Proximity of Features on the Damage Threshold During Submicron Additive Manufacturing Via Two-Photon Polymerization
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Journal Articles

Geometric Prepatterning-Based Tuning of the Period Doubling Onset Strain During Thin-Film Wrinkling

Sourabh K. Saha
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research-Article
J. Appl. Mech. May 2017, 84(5): 051010.
Paper No: JAM-17-1089
https://doi.org/10.1115/1.4036325
Published Online: April 5, 2017
View Article titled, Geometric Prepatterning-Based Tuning of the Period Doubling Onset Strain During Thin-Film Wrinkling
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Topics: Finite element analysis, Geometry, Simulation, Thin films, Compression, Kinematics, Manufacturing, Film thickness, Plasma desorption mass spectrometry, Materials properties
Proceedings Papers

Part Damage due to Proximity Effects During Sub-Micron Additive Manufacturing via Two-Photon Lithography

Sourabh K. Saha, Chuck Divin, Jefferson A. Cuadra, Robert M. Panas
Proc. ASME. MSEC2016, Volume 1: Processing, V001T02A084, June 27–July 1, 2016
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2016-8793
https://doi.org/10.1115/MSEC2016-8793
View Paper titled, Part Damage due to Proximity Effects During Sub-Micron Additive Manufacturing via Two-Photon Lithography
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Topics: Additive manufacturing, Damage, Lithography, Photons, Lasers, Absorption, Blocks (Building materials), Boiling, Computerized tomography, Density
Journal Articles

Design of a Compact Biaxial Tensile Stage for Fabrication and Tuning of Complex Micro- and Nano-scale Wrinkle Patterns

Sourabh K. Saha, Martin L. Culpepper
Journal: Journal of Micro and Nano-Manufacturing
Publisher: ASME
Article Type: Research-Article
J. Micro Nano-Manuf. December 2015, 3(4): 041004.
Paper No: JMNM-14-1077
https://doi.org/10.1115/1.4031382
Published Online: September 14, 2015
View Article titled, Design of a Compact Biaxial Tensile Stage for Fabrication and Tuning of Complex Micro- and Nano-scale Wrinkle Patterns
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Topics: Design, Manufacturing, Plasma desorption mass spectrometry, Plasmas (Ionized gases), Thin films, Nanoscale phenomena
Proceedings Papers

Predicting the Quality of One-Dimensional Periodic Micro and Nano Structures Fabricated via Wrinkling

Sourabh K. Saha, Martin L. Culpepper
Proc. ASME. IMECE2012, Volume 3: Design, Materials and Manufacturing, Parts A, B, and C, 723-729, November 9–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2012-87081
https://doi.org/10.1115/IMECE2012-87081
View Paper titled, Predicting the Quality of One-Dimensional Periodic Micro and Nano Structures Fabricated via Wrinkling
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Topics: Nanostructures , Density, Manufacturing, Buckling, Compression, Dislocations, Finite element model, Materials properties, Surface cracks, Thin films
Proceedings Papers

An Automated Stage for Scalable Imprinting of DNA Nanowires Based on a Self-Aligning Technique

Sourabh K. Saha, John J. LaColla, Martin L. Culpepper
Proc. ASME. IMECE2012, Volume 9: Micro- and Nano-Systems Engineering and Packaging, Parts A and B, 1043-1051, November 9–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2012-87065
https://doi.org/10.1115/IMECE2012-87065
View Paper titled, An Automated Stage for Scalable Imprinting of DNA Nanowires Based on a Self-Aligning Technique
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Topics: DNA, Nanowires, Manufacturing, Bearings, Biomedicine, Columns (Structural), Couplings, Design, Drug delivery systems, Glass
Journal Articles

Characterization of the Dip Pen Nanolithography Process for Nanomanufacturing

Sourabh K. Saha, Martin L. Culpepper
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. August 2011, 133(4): 041005.
https://doi.org/10.1115/1.4004406
Published Online: July 20, 2011
View Article titled, Characterization of the Dip Pen Nanolithography Process for Nanomanufacturing
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Topics: Design, Inks, Manufacturing, Nanolithography, Nanomanufacturing, Process control, Nanofabrication