Long period fiber gratings produced by the electric arc technique have found an increasing
interest by the scientific community due to their ease to fabricate, virtually enabling the …

In this work, we reviewed the most important achievements of INESC TEC related to the
fabrication of long-period fiber gratings using the electric arc technique. We focused on the …

The full-field thickness distribution, three-dimensional surface model and general
morphological data of six human tympanic membranes are presented. Cross-sectional …

The superfluorescent fiber source (SFS) has the unique features of broadband emission, low
coherence, high brightness, and high temporal stability, thereby being applicable to a wide …

Thanks to the unique properties such as spatially coherent, broadband emission spectrum,
and high temporal stability, superfluorescent fiber source (SFS) has shown tremendous …

In this work, we review the most important achievements of INESC TEC related to the
properties and applications of arc-induced long-period fiber gratings. The polarization …

The superfluorescent fiber source (SFS) with tunable optical spectrum has shown great
application potential in the sensing, imaging, and spectral combination. Here, we …

We demonstrated two methods of increasing the bandwidth of a broadband light source
based on amplified spontaneous emission in thulium-doped fibres. Firstly, we have shown …

A Fourier domain optical coherence tomography system with two spectrometers in balance
detection is assembled using each an InGaAs linear camera. Conditions and adjustments of …

In the paper spectroscopic properties of two fluorosilicate and fluorophosphate glass
systems co-doped with Nd 3+/Yb 3+ ions are investigated. As a result of optical excitation at …