Hubertus Hakert
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View article: Wavelength agile multi-photon microscopy with a fiber amplified diode laser
Wavelength agile multi-photon microscopy with a fiber amplified diode laser Open
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 community. Especially semiconductor diode seeded fiber lase…
View article: Wavelength agile multi-photon microscopy with a fiber amplified diode\n laser
Wavelength agile multi-photon microscopy with a fiber amplified diode\n laser Open
Multi-photon microscopy is a powerful tool in biomolecular research. Less\ncomplex and more cost effective excitation light sources will make this\ntechnique accessible to a broader community. Especially semiconductor diode\nseeded fiber l…
View article: High-resolution retinal swept source optical coherence tomography with an ultra-wideband Fourier-domain mode-locked laser at MHz A-scan rates
High-resolution retinal swept source optical coherence tomography with an ultra-wideband Fourier-domain mode-locked laser at MHz A-scan rates Open
We present a new 1060 nm Fourier domain mode locked laser (FDML laser) with a record 143 nm sweep bandwidth at 2∙ 417 kHz = 834 kHz and 120 nm at 1.67 MHz, respectively. We show that not only the bandwidth alone, but also the shape of the …
View article: Pulse-to-pulse wavelength switching of a nanosecond fiber laser by four-wave mixing seeded stimulated Raman amplification
Pulse-to-pulse wavelength switching of a nanosecond fiber laser by four-wave mixing seeded stimulated Raman amplification Open
We report on a multi-color fiber laser based on four-wave mixing (FWM) and stimulated Raman scattering (SRS), delivering rapidly wavelength switchable narrowband output at 1064, 1122, and 1186 nm. High-power pulses from a nanosecond pulsed…
View article: Single pulse two photon fluorescence lifetime imaging (SP-FLIM) with MHz pixel rate
Single pulse two photon fluorescence lifetime imaging (SP-FLIM) with MHz pixel rate Open
Two-photon-excited fluorescence lifetime imaging microscopy (FLIM) is a chemically specific 3-D sensing modality providing valuable information about the microstructure, composition and function of a sample. However, a more widespread appl…
View article: Two-photon-excited fluorescence (TPEF) and fluorescence lifetime imaging (FLIM) with sub-nanosecond pulses and a high analog bandwidth signal detection
Two-photon-excited fluorescence (TPEF) and fluorescence lifetime imaging (FLIM) with sub-nanosecond pulses and a high analog bandwidth signal detection Open
Two-photon excited fluorescence (TPEF) microscopy and fluorescence lifetime\nimaging (FLIM) are powerful imaging techniques in bio-molecular science. The\nneed for elaborate light sources for TPEF and speed limitations for FLIM,\nhowever, …