101 citations · 180 across the 14 of their papers we have counts for
14 papers
Intensity Pattern Types in Broadband Fourier Domain Mode-Locked (FDML) Lasers Operating Beyond the Ultra-Stable Regime
Mark Schmidt, Christin Grill, Simon Lotz +3
We report on the formation of various intensity pattern types in detuned Fourier domain mode-locked (FDML) lasers and identify the corresponding operating conditions. Such patterns…
Zero roll-off retinal MHz-OCT using an FDML-Laser
Julian Klee, Jan Philip Kolb, Christin Grill +3
Optical coherence tomography (OCT) applications like ultra-widefield and full eye-length imaging are of high interest for various diagnostic purposes. In swept-source OCT these tec…
Towards combined optical coherence tomography and multi-spectral imaging with MHz a-scan rates for endoscopy
Madita Goeb, Tom Pfeiffer, Robert Huber
We demonstrate a preliminary setup of a combined MHz-OCT and RGB narrowband reflection microscope and investigate the performance of the new RGB branch and different display modes…
Virtual H&E Histology by Fiber-Based Picosecond Two-Photon Microscopy
Jan Philip Kolb, Daniel Weng, Hubertus Hakert +10
Two-Photon Microscopy (TPM) can provide three-dimensional morphological and functional contrast in vivo. Through proper staining, TPM can be utilized to create virtual, H&E equival…
Self-Stabilization Mechanism in Ultra-Stable Fourier Domain Mode-Locked (FDML) Lasers
Mark Schmidt, Tom Pfeiffer, Christin Grill +2
Understanding the dynamics of Fourier domain mode-locked (FDML) lasers is crucial for determining physical coherence limits, and for finding new superior methods for experimental r…
Wavelength agile multi-photon microscopy with a fiber amplified diode laser
Matthias Eibl, Daniel Weng, Hubertus Hakert +5
Multi-photon microscopy is a powerful tool in biomolecular research. Less complex and more cost effective excitation light sources will make this technique accessible to a broader…
Two-photon-excited fluorescence (TPEF) and fluorescence lifetime imaging (FLIM) with sub-nanosecond pulses and a high analog bandwidth signal detection
Matthias Eibl, Sebastian Karpf, Hubertus Hakert +2
Two-photon excited fluorescence (TPEF) microscopy and fluorescence lifetime imaging (FLIM) are powerful imaging techniques in bio-molecular science. The need for elaborate light so…
Analysis of FDML lasers with meter range coherence
Tom Pfeiffer, Wolfgang Draxinger, Wolfgang Wieser +3
FDML lasers provide sweep rates in the MHz range at wide optical bandwidths, making them ideal sources for high speed OCT. Recently, at lower speed, ultralong-range swept-source OC…
Pulse-to-pulse wavelength switchting of diode based fiber laser for multi-color multi-photon imaging
Matthias Eibl, Sebastian Karpf, Hubertus Hakert +3
We present an entirely fiber based laser source for non-linear imaging with a novel approach for multi-color excitation. The high power output of an actively modulated and amplifie…
Shot-Noise limited Time-encoded (TICO) Raman spectroscopy
Sebastian Karpf, Matthias Eibl, Wolfgang Wieser +2
Raman scattering, an inelastic scattering mechanism, provides information about molecular excitation energies and can be used to identify chemical compounds. Albeit being a powerfu…
Efficient simulation of the swept-waveform polarization dynamics in fiber spools and Fourier domain mode-locked (FDML) lasers
Christian Jirauschek, Robert Huber
We present a theoretical model and its efficient numerical implementation for the simulation of wavelength-swept waveform propagation in fiber systems such as Fourier domain mode-l…
Flexible A-scan rate MHz OCT: Computational downscaling by coherent averaging
Tom Pfeiffer, Wolfgang Wieser, Thomas Klein +4
In order to realize fast OCT-systems with adjustable line rate, we investigate averaging of image data from an FDML based MHz-OCT-system. The line rate can be reduced in software a…
Megahertz FDML Laser with up to 143nm Sweep Range for Ultrahigh Resolution OCT at 1050nm
Jan Philip Kolb, Thomas Klein, Mattias Eibl +3
We present a new design of a Fourier Domain Mode Locked laser (FDML laser), which provides a new record in sweep range at ~1um center wavelength: At the fundamental sweep rate of 2…
Time-Encoded Raman: Fiber-based, hyperspectral, broadband stimulated Raman microscopy
Sebastian Karpf, Matthias Eibl, Wolfgang Wieser +2
Raman sensing and Raman microscopy are amongst the most specific optical technologies to identify the chemical compounds of unknown samples, and to enable label-free biomedical ima…