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Laser science under discussion

CLEO, the conference on lasers and electro-optics, will take place from 8 to 13 June in San Jose, CA, USA. Here we preview some of the technology on display

have a live demonstration of its wavefront sensorless adaptive optics demonstrator for beam shaping applications. This kit allows users to improve the quality of a beam using metric-based control. Other versions are also available, including an add-on to the Thorlabs adaptive optics toolkit.

Boston Micromachines Corporation (BMC) provides MEMS deformable mirrors for use in commercial adaptive optics systems for astronomical and biological imaging as well as laser beam shaping applications. Exhibiting alongside its partner Thorlabs, BMC will

Also on display will be the Reflective Optical Chopper (ROC), which was designed to out-perform the traditional optical chopper at a lower cost. The ROC offers greater frequency range with faster chopping speed, without alteration of the beam size. Lastly, BMC will have a few of its award-winning compact deformable mirrors for viewing as well.

Edmund Optics will launch its Techspec variable beam expanders at the show.


CLEO 2014 will feature a symposium in memory of James Gordon, one of the founding fathers of quantum electronics who passed away in June 2013. It will feature a panel of three Nobel Prize winners and other luminaries in laser science, laser cooling and trapping, optical solitons and Big Bang theory, who will reminisce and honour Gordon, who spent his entire career at AT&T Bell Laboratories from 1955 to 1996.

Organised by CLEO: 2014 science and innovations general co-chair, René-Jean

Essiambre and Herwig Kogelnik, both of Bell Labs- Alcatel-Lucent, as well as Gordon’s wife Susie, the symposium will feature a series of distinguished speakers – many of whom were close collaborators of Gordon. They will recount some of the numerous scientific and technical contributions that he made in his life, including the first demonstration of the maser, work on the ‘optical maser’ (laser), the birth of quantum information theory, the theory of the confocal resonator, fundamentals of laser cooling and

trapping, the first solitons in optical fibres and the theory of optical soliton communication systems. The symposium will also be a unique opportunity to hear personal recollections from colleagues on what it was like to work with Gordon. This includes rarely heard anecdotes related to major discoveries and the singular scientific philosophy of Gordon that has been a source of inspiration for many young researchers. ‘Jim Gordon was one of the unsung heroes of the laser and quantum electronics revolution

‘ Jim Gordon was one of the unsung heroes of the laser and quantum electronics revolution more than 50 years ago’

more than 50 years ago,’ said Essiambre. ‘He was known for his affable and humble nature, but made groundbreaking contributions in several fields. He opened new areas of research.’

A list of speakers includes:

Arthur Ashkin, Bell Labs (retired), Gary Boyd, Bell Labs (retired), Steven Chu,

Stanford University (formerly Bell Labs) and 1997 Nobel Prize in Physics recipient, Linn Mollenauer, Bell Labs (retired), Arno Penzias, New Enterprise Associates (formerly Bell Labs and Columbia University) and 1978 Nobel Prize in Physics recipient, Mark Shtaif, Tel-Aviv University, and Charles Townes, University of California, Berkeley (formerly Columbia University) and 1964 Nobel Prize in Physics recipient.

The symposium will take place Monday, 9 June from 6:30pm to 8:30pm.

The lenses are ideal for high-power laser applications where magnification changes may be required, such as prototyping or R&D. The beam expanders feature ¼λ transmitted wavefront, Galilean designs, and high laser-damage threshold AR coatings to ensure maximum transmittance while


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