Optimization of the Tilted-Pulse-Front Terahertz Excitation Setup Containing Telescope

Levente Tokodi, J. Hebling, L. Pálfalvi

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Optimization of the telescopic tilted-pulse-front terahertz excitation setup with respect to the imaging errors is given. A guideline is presented in the form of simple analytical formulae describing the optimal geometrical configuration of the telescopic setup. Pump pulse distortions and terahertz wave-front distortions are analyzed by ray tracing calculations supposing near-infrared pump pulses with 200 fs transform limited pulse length. The detrimental effects of imaging errors in a tilted-pulse-front terahertz source can be significantly reduced by using telescopic imaging instead of one-lens. It is also shown, that in the case of the one-lens setup significant, and in the case of the telescopic setup, less significant reduction of the imaging errors can be achieved by using achromat lens(es) instead of singlet one(s). Calculation results show that the telescopic setup consisting of two achromat lenses is the most promising choice among the practically relevant schemes.

Original languageEnglish
Pages (from-to)22-32
Number of pages11
JournalJournal of Infrared, Millimeter, and Terahertz Waves
Volume38
Issue number1
DOIs
Publication statusPublished - Jan 1 2017

Fingerprint

Telescopes
Lenses
telescopes
Imaging techniques
optimization
lenses
pulses
excitation
Pumps
Terahertz waves
pumps
Ray tracing
wave fronts
ray tracing
Infrared radiation
configurations

Keywords

  • Terahertz
  • THz sources
  • Tilted-pulse-front

ASJC Scopus subject areas

  • Radiation
  • Instrumentation
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

Optimization of the Tilted-Pulse-Front Terahertz Excitation Setup Containing Telescope. / Tokodi, Levente; Hebling, J.; Pálfalvi, L.

In: Journal of Infrared, Millimeter, and Terahertz Waves, Vol. 38, No. 1, 01.01.2017, p. 22-32.

Research output: Contribution to journalArticle

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