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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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Research Output 2015 2019

  • 2 Citations
  • 2 Conference contribution
  • 2 Article
  • 1 Report

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., 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

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

Romijn, L. B., ten Thije Boonkkamp, J. H. M. & IJzerman, W. L., 2018, Eindhoven: Technische Universiteit Eindhoven. 20 p. (CASA Report; no. 18-08)

Research output: Book/ReportReportAcademic

Open Access
File

Monge-Ampère type equations for freeform illumination optics

ten Thije Boonkkamp, J. H. M., Romijn, L. B., Yadav, N. K. & IJzerman, W. L., 1 Jan 2018, Illumination Optics V. SPIE, 16 p. 106930A. (Proceedings of SPIE; vol. 10693)

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

Optics
Illumination
Free-form Surface
Lighting
illumination
2 Citations (Scopus)

Discovering motifs in real-world social networks

Romijn, L. B., Ó Nualláin, B. & Torenvliet, L., 24 Jan 2015, SOFSEM 2015: Theory and Practice of Computer Science . Italiano, G. F., Margaria-Steffen, T., Pokorný, J., Quisquater, J. J. & Wattenhofer, R. (eds.). Berlin: Springer, p. 463-474 12 p. (Lecture Notes in Computer Science; vol. 8939)

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

Websites
Experiments

Courses

Numerical linear algebra

1/09/13 → …

Course