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Dec. 05, 2012

Construction of Compact X-ray Lasers at Ultra-short Wavelengths

To look at small objects typically requires big machines. For example, the study of single atoms with a laser requires x-ray radiation of such high energy that it is only produced by accelerating electrons in large facilities. Researchers at the Riken SPring-8 Center in Harima have developed a more affordable electron laser design, the SPring-8 Angstrom Compact free-electron Laser (SACLA), which is not only compact and therefore economic to build but also delivers x-rays with unprecedented short wavelengths. Results were published in Nature Photonics.
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Profiling X-ray Free-electron Laser Pulses
Nov. 20, 2012

Profiling X-ray Free-electron Laser Pulses

With their ultra short X-ray flashes, free-electron lasers offer the opportunity to film chemical reactions or atoms in motion. However, for this super slow motion the arrival time and the temporal profile of the pulses must be precisely known. An international team of scientists has now developed a measurement technique that provides complete temporal characterization of individual FEL (free-electron laser) pulses at DESY´s soft-X-ray free-electron laser FLASH. more
Craic Apollo: Now Offered with Peak Wavelengths Lasers
Nov. 08, 2012

Craic Apollo: Now Offered with Peak Wavelengths Lasers

Craic Technologies has announced the addition of lasers with peak wavelengths ranging from 405 nm through the 830 nm to the Craic Apollo Raman microspectrometer.
Craic Apollo enables scientists and engineers to measure the Raman spectra from microscopic samples or microscope sampling areas of large samples. The microspectrometer can even be added to a microspectrophotometer adding Raman microspectroscopy to UV-visible-NIR absorbance, reflectance and fluorescence microspectroscopy and imaging. more
Power Scaling of CW Single-Frequency Lasers
Oct. 09, 2012

Power Scaling of CW Single-Frequency Lasers

Cobolt has recently introduced four new high power laser models on the 05-01 platform for high power single-frequency DPSS lasers.

The Cobolt Zouk 355 nm is now available with an output power up to 20mW, the Cobolt Samba 532 nm up to 1.5W, the Cobolt Flamenco 660 nm up to 0.5W and the Cobolt Rumba at 1064nm up to 3W.  more
Excelsior One DPSS Lasers for Bioinstrumentations
Oct. 09, 2012

Excelsior One DPSS Lasers for Bioinstrumentations

Spectra-Physics, a Newport Corporation brand, has introduced the Excelsior One continuous-wave (CW) lasers series.
The new line of ultraviolet (UV), visible, and near-infrared (NIR) CW lasers integrate laser head and controller into a single, compact package. Available as free-space and fiber-coupled laser configurations, the plug-and-play Excelsior One series includes eleven different wavelengths and delivers up to 500 mW of average power. more
Low-powered Nanotweezers May Benefit Cellular-level Studies
Sep. 21, 2012

Low-powered Nanotweezers May Benefit Cellular-level Studies

Using ultra-low input power densities, researchers at the University of Illinois at Urbana-Champaign have demonstrated for the first time how low-power "optical nanotweezers" can be used to trap, manipulate, and probe nanoparticles, including fragile biological samples.
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Improving the Use of Light in Biophotonics with New Laser Material
Sep. 20, 2012

Improving the Use of Light in Biophotonics with New Laser Material

Researchers from the Faculty of Science and Technology at the University of the Basque Country (UPV/EHU), in collaboration with scientists from the Consejo Superior de Investigaciones Científicas (CSIC) and the Universidad Complutense de Madrid have developed a new laser material which improves the use of light in biophotonics, making it more efficient and longer lasting by incorporating dye molecules.
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Improving Laser Micro-machining with New Modes of Polarisation
Sep. 04, 2012

Improving Laser Micro-machining with New Modes of Polarisation

A new optical technique, capable of producing laser beams with unusual modes of electric field, has been developed by scientists at the University of Liverpool. The new technique could have a major impact on laser micro-machining, by increasing process efficiency and quality through the use of different modes of ‘polarisation' or electric fields. These are unusual states of light and difficult to produce.
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STED Nanoscopy with CW DPSS Lasers
Aug. 24, 2012

STED Nanoscopy with CW DPSS Lasers

Advances in STED nanoscopy and fluorescence labelling allow researchers to perform nanoscale imaging and single-molecule detection using compact and low-noise CW DPSS lasers, which significantly reduces system complexity and cost. more
Creating the Broadest Spectral, Coherent-light Source with High-harmonic Generation
Jun. 25, 2012

Creating the Broadest Spectral, Coherent-light Source with High-harmonic Generation

For the first time, researchers have produced a coherent, laser-like, directed beam of light that simultaneously streams ultraviolet light, X-rays and all wavelengths in between (see video). One of the few light sources to successfully produce a coherent beam that includes X-rays, this new technology is the first to do so using a setup that fits on a laboratory table. more
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