Versatile, high-power femtosecond laser source at 1μm
2016 Edition, June 1, 2016 - Optical Society (The) (OSA)

We describe a stable, compact, femtosecond laser system based on Yb-doped gain media. Capable of delivering sub-300 fs pulses with mJ energy, the system is an attractive alternative to traditional Ti:sapphire systems.

Tunable mid-infrared, high-energy femtosecond laser source for glyco-prtein structure analysis
2006 Edition, October 1, 2006 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

We have developed a mid-infrared femtosecond laser source with high stability and optical system for glycol-protein structure analysis. The DFG (difference frequency generation) light was irradiated to the SLeX proton added ion to a photo-dissociate it

Efficient ablation of silicon with high power GHz femtosecond laser source
2019 Edition, May 1, 2019 - Optical Society (The) (OSA)

Ablation of silicon using high power GHz femtosecond lasers achieves specific removal rate of 2.5 mm3/min/W. Ablation morphologies are discussed in terms of thermal and non-thermal mechanisms.

Simultaneous recording of digital holograms using a two-wavelength femtosecond laser source
2007 Edition, June 1, 2007 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A novel scheme for a coherent multicolor femtosecond source, based on an adapted commercial Ti:sapphire amplifier system is presented. Its performance is demonstrated by simultaneously recording of two digital holograms using ultrashort pulses. The Ti:sapphire laser is modified...

Fabrication of long-period fiber gratings by using of a femtosecond laser source
2009 Edition, July 1, 2009 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Long period gratings with different pitches are fabricated in single-mode fibers by use of a high-intensity 800 nm femtosecond laser. The response of the grating resonance wavelength to temperature is measured to be about 0.1nm°/C.

High-power high-repetition-rate mid-IR femtosecond laser sources for FTIR spectroscopy applications
2013 Edition, September 1, 2013 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

We present broadband difference frequency generation into the mid-infrared based on a femtosecond dual-signal-wavelength optical parametric oscillator for near-field microscopy applications as well as a high-repetition-rate optical parametric amplifier for FTIR spectroscopy...

Versatile high-fidelity photovoltaic module emulation system
2011 Edition, August 1, 2011 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Photovoltaic (PV) cells are promising endurable renewable power sources that do not include mechanical components, which are subject to wear and tear. However, actual development of a solar-powered system requires elaborated design processes to find the best setup including...

Tranalyzer: Versatile high performance network traffic analyser
2016 Edition, December 1, 2016 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

IP-based networks are prone to hardware failures, software errors and misconfigurations. This leads to service outages, such as those experienced by American Airlines in 2015. Moreover, cyber threats are becoming ever more sophisticated. As demonstrated by recent success stories of malware, such as...

All-fibre-integrated, femtosecond laser source at 1 /spl mu/m
2003 Edition, January 1, 2003 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

The first totally-fibre-integrated, figure-of-eight fs source at 1/spl mu/m is demonstrated. 850 fs pulses produced at the round-trip repetition-rate of the laser incorporating holey fibre and short length Yb-DFA. Alternative approaches to fs, Yb, all-fiber...

A Versatile High-Permittivity Phantom for EIT
2008 Edition, Volume 55, November 1, 2008 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Phantoms are frequently used in medical imaging systems to test hardware, reconstruction algorithms, and the interpretation of data. This report describes and characterizes the use of powdered graphite as a means of adding a significant reactive component or permittivity to useful phantom media for...