| People | Locations | Statistics |
|---|---|---|
| Naji, M. |
| |
| Motta, Antonella |
| |
| Aletan, Dirar |
| |
| Mohamed, Tarek |
| |
| Ertürk, Emre |
| |
| Taccardi, Nicola |
| |
| Kononenko, Denys |
| |
| Petrov, R. H. | Madrid |
|
| Alshaaer, Mazen | Brussels |
|
| Bih, L. |
| |
| Casati, R. |
| |
| Muller, Hermance |
| |
| Kočí, Jan | Prague |
|
| Šuljagić, Marija |
| |
| Kalteremidou, Kalliopi-Artemi | Brussels |
|
| Azam, Siraj |
| |
| Ospanova, Alyiya |
| |
| Blanpain, Bart |
| |
| Ali, M. A. |
| |
| Popa, V. |
| |
| Rančić, M. |
| |
| Ollier, Nadège |
| |
| Azevedo, Nuno Monteiro |
| |
| Landes, Michael |
| |
| Rignanese, Gian-Marco |
|
Knight, Jonathan C.
University of Bath
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (14/14 displayed)
- 2024Guidance of ultraviolet light down to 190 nm in a hollow-core optical fibrecitations
- 2016Cavity-based mid-IR fiber gas laser pumped by a diode lasercitations
- 2014Out of the blue and into the black - silica fibers for the mid-IR
- 2014Hollow antiresonant fibers with low bending losscitations
- 2014Hollow antiresonant fibers with reduced attenuationcitations
- 2013Flexible delivery of Er:YAG radiation at 2.94 µm with negative curvature silica glass fiberscitations
- 2013Flexible delivery of Er:YAG radiation at 2.94 μm with negative curvature silica glass fibers: A new solution for minimally invasive surgical procedurescitations
- 2009All-fiber devices based on photonic crystal fibers with integrated electrodescitations
- 2008Over 4000 nm bandwidth of mid-IR supercontinuum generation in sub-centimeter segments of highly nonlinear tellurite PCFscitations
- 2007Characterization of frequency noise on a broadband infrared frequency comb using optical heterodyne techniques
- 2007IR supercontinuum in compact tellurite PCFscitations
- 2006Silica-clad neodymium-doped lanthanum phosphate fibers and fiber laserscitations
- 2004Delivery of high energy light through pbg fiber for laser machining
- 2002Microstructured glass adds new dimension to optical fibers
Places of action
| Organizations | Location | People |
|---|
document
Delivery of high energy light through pbg fiber for laser machining
Abstract
<p>Conventional silica fiber optics cannot currently deliver the high beam quality, high peak power pulses required for micro-machining applications due to damage limitations. Recently developed photonic bandgap (PBG) fibers have the potential to overcome this limitation as the power is mostly contained within an air-core, with guidance arising from the periodic nature of the cladding. We report the delivery of high energy nanosecond pulses from a high repetition rate (up to 100 kHz) Q-switched Nd:YAG laser through the fundamental mode of a PBG fiber at 1064 nm. The damage limitations of the PBG silica structure are investigated, together with its application to precision micro-machining. We present an optimized fiber design to reduce the light-in-glass fraction and hence maximize the power handling capability. Short pulses (around 60 ns pulse width) and energies of the order of 0.5 mJ were delivered in a single spatial mode through the hollow-core fiber providing the pulse energy and high beam quality required for micro-machining of metals. Practical micro-machining of metal sheet is also presented.</p>