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Personal profile

Research profile

Lotte Romijn is a PhD student at the Department of Mathematics and Computer Science, Eindhoven University of Technology (TU/e). Prior to her PhD studies she completed a Master’s degree in Applied Mathematics and Mathematical Physics at the University of Melbourne, Australia. For her Master’s thesis she studied the biomechanics of the small-intestinal crypt by developing computational models of tissue monolayers.

Lotte's current work is in the field of illumination optics and involves the design of freeform reflector and lens surfaces for LED-based applications, under the supervision of Assoc. Prof. Jan ten Thije Boonkkamp and Prof. Wilbert Ijzerman. Her focus is on developing numerical methods to solve generalized Monge-Ampère equations for a range of optical systems.

Academic background

Lotte Romijn completed a Bachelor of Science at Amsterdam University College (AUC) in the Netherlands, followed by a Master’s degree (summa cum laude) in Applied Mathematics and Mathematical Physics at the University of Melbourne in Australia. Her research interests include numerical methods for nonlinear partial differential equations, calculus of variations, ordinary differential equation models and associated boundary-value problems, and multiscale modeling. For her Master’s thesis she undertook a project in computational biology and studied the biomechanics of the small-intestinal crypt. To assist experiments with crypt cultures in vitro, she developed a computational model to describe and simulate epithelial buckling in the crypt.

Education/Academic qualification

Mathematics, Master, University of Melbourne

1 Mar 20151 Dec 2016

Other physics, Certificate/Diploma of Higher Education , High Tech Institute

Sep 2018Feb 2019

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  • 2 Similar Profiles
point sources Physics & Astronomy
far fields Physics & Astronomy
lens design Physics & Astronomy
Monge-Ampere equation Physics & Astronomy
Reflector Mathematics
lenses Physics & Astronomy
Lighting Engineering & Materials Science
Illumination Mathematics

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Research Output 2015 2020

  • 4 Citations
  • 4 Conference contribution
  • 3 Article
  • 1 Report

Inverse reflector design for a point source and far-field target

Romijn, L. B., ten Thije Boonkkamp, J. H. M. & IJzerman, W. L., May 2020, In : Journal of Computational Physics. 408, 1May 2020, 23 p., 109283.

Research output: Contribution to journalArticleAcademicpeer-review

Reflector
Point Source
Far Field
point sources
reflectors
14 Downloads (Pure)

A least-squares method for the design of two-reflector optical systems

Yadav, N., Romijn, L., ten Thije Boonkkamp, J. & IJzerman, W., 2019, In : JPhys Photonics. 1, 16 p., 034001.

Research output: Contribution to journalArticleAcademicpeer-review

Open Access
File
Optical systems
Boundary value problems
Boundary conditions
Monte Carlo simulation

Freeform lens design for a point source and far-field target

Romijn, L. B., ten Thije Boonkkamp, J. H. M. & IJzerman, W. L., 2019, Proceedings Design and Fabrication Congress 2019. Washington: Optical Society of America (OSA), 2 p. FT1B.2

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Monge-Ampere equation
lens design
point sources
far fields
lenses
2 Citations (Scopus)

Freeform lens design for a point source and far-field target

Romijn, L., ten Thije Boonkkamp, J. & IJzerman, W., 1 Nov 2019, In : Journal of the Optical Society of America A, Optics, Image Science and Vision. 36, 11, p. 1926-1939 14 p.

Research output: Contribution to journalArticleAcademicpeer-review

lens design
point sources
far fields
Lenses
lenses

Generalized Monge-Ampère equations for illumination freeform design

ten Thije Boonkkamp, J., Romijn, L. & IJzerman, W., 19 Nov 2019, Optical Design and Testing IX. Wang, Y., Benitez, P. & Matoba, O. (eds.). SPIE, 18 p. 1118504. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 11185).

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Illumination
Lighting
illumination
Reflector
reflectors

Courses

Numerical linear algebra

1/09/13 → …

Course