A fiber Bragg based semi distributed pressure sensor system for in-vivo vascular applications

An overview of a fiber Bragg based sensor system, developed for in-vivo vascular pressure and temperature sensing, is presented. The focus is on sensor miniaturization and interrogator optimization to reach a viable sensor system.

A study on the optics of copper indium gallium (di)selenide (CIGS) solar cells with ultra-thin absorber layers

We present a systematic study of the effect of variation of the zinc oxide (ZnO) and copper indium gallium (di)selenide (CIGS) layer thickness on the absorption characteristics of CIGS solar cells using a simulation program based on finite element method (FEM). We show that the absorption in the CIGS layer does not decrease monotonically with...

Fabrication of a laser patterned flexible organic light-emitting diode on an optimized multilayered barrier

The fast-growing market of organic electronics stimulates the development of versatile technologies for structuring thin-film materials. Ultraviolet lasers have proven their full potential for patterning organic thin films, but only a few studies report on interaction with thin-film barrier layers. In this paper, we present an approach in which...

Annealing of SnO2 thin films by ultra-short laser pulses

Post-deposition annealing by ultra-short laser pulses can modify the optical properties of SnO2 thin films by means of thermal processing. Industrial grade SnO2 films exhibited improved optical properties after picosecond laser irradiation, at the expense of a slightly increased sheet resistance [Proc. SPIE 8826, 88260I (2013)]. The figure of...

Micron-scale copper wires printed using femtosecond laser-induced forward transfer with automated donor replenishment

We demonstrate the use of laser-induced forward transfer (LIFT) in combination with a novel donor replenishment scheme to print continuous copper wires. Wires of mm length, a few microns wide and submicron in height have been printed using a 800 nm, 1 kHz repetition rate, 150 fs pulsed laser. A 120 nm thick copper donor was used along with laser...

High-order wavefront correction with a spatial light modulator: Calibrations with dOTF method

We show how differential optical transfer function (dOTF) method is used to calibrate an adaptive optics setup using a spatial light modulator. SLM response, rotation and registration are measured sufficiently accurately for high-order WF correction. © OSA 2013.

An OSSE for aerosols

An observing system simulation experiment using a chemical transport model in support of the instrument specification definition for an UVS candidate instrument on board METEOSAT Third Generation geostationary satellites. © 2007 Optical Society of America.

Vega interstage multi-parameter measurements using FBG sensor array

A new generation launcher, called Vega, has undergone its first qualification tests of force loading. Multi-parameter FBG sensor array has been installed on the Interstage 1/2 for temperature monitoring and direct comparison with conventional strain gauges. © 2006 OSA/OFS 2006.

In-process monitoring of grinding and polishing of optical surfaces

A new tool with which to monitor the quality (roughness and subsurface damage) of optical surfaces during grinding and polishing, intensity-detecting total internal reflection microscopy (iTIRM), is presented. A general description of the new measurement method is given, followed by a description of the experimental in situ measurement setup....

Quantitative roughness measurements with iTIRM

A new method, iTIRM, is used for quantitative surface roughness measurements of ground and polished surfaces and it is shown to be a useful tool for measuring total surface quality instead of individual roughness parameters.