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19 Feb 2007
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BACK CHAT
More emphasis on networking could help technology transfer
High-performance microchannel plate photomultipliers developed for use in space could have a wealth of terrestrial applications from drug screening through to environmental science. Jon Lapington tells us more.
MEDICAL IMAGING
Video capability revives interest in laser method
Plastic surgery, neuroscience and dermatology could all benefit from the release of the first commercial instrument to image blood flow in real time, at up to 25 frames per second. James Tyrrell speaks to David Briers, one of the pioneers of laser speckle contrast analysis, to discover more about the technique that was first conceived over 25 years ago.
OPTICAL TWEEZERS
Microhand is a perfect fit for optical tweezers
A user-friendly set of optical tweezers that uses the position of the operator's hands to move trapped particles is broadening the appeal of the technology. Jacqueline Hewett reports.
OPTOELECTRONICS
Extended VCSEL wavelengths offer gas sensing source
Markus Ortsiefer from Vertilas explains why long-wavelength tunable VCSELs are a better option for gas sensing than the lead-salt, quantum-cascade and diode-pumped solid-state lasers that are used today.
PRODUCT GUIDE
Weigh up your options before buying eyewear
Deciding which laser-safety eyewear is the best option for your experiment can be difficult. Tom MacMullin looks at what's on offer and details the criteria to consider before choosing.
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