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TECHNOLOGY PRODUCTS


Lasers and diodes


Picosecond laser to excite more fluorescent dyes


Edinburgh Instruments’ Photonics Division has announced the availability of the EPL 515 picosecond pulsed diode laser. The EPL 515 is a compact, robust, maintenance-free, fully integrated system. It is pre-adjusted for an optimum pulse width of 150ps at 10MHz and features 10 pre-set repetition frequencies from 20kHz to 20MHz. Emitting at a nominal 512nm wavelength, this is the latest addition to the comprehensive range of EPL diode lasers which are optimised for Time Correlated Single Photon Counting (TCSPC). The new EPL 515 brings an additional


wavelength into the range, allowing more fluorescent dyes to be excited and further extending the range of applications, which include fluorescence lifetime measurements that use TCSPC as the measurement technique. Typical instrumentation in which the EPL 515 may be used are fluorescence lifetime spectrometers and fluorescence lifetime multiwell plate readers for spectroscopy applications in biochemistry, biology, photophysics, semiconductor physics, bio-chemical assays etc. Customised versions of the diode laser can be also supplied for integration within various types of analytical instrumentation. www.edinst.com


The sky is the limit with BlueMode


Toptica Photonics has expanded the product portfolio of its BlueMode diode laser family to include green and red modes. The new GreenMode and RedMode models transfer the original concept – high power and high coherence from a single diode – across the visible spectrum. All models are now available with Toptica’s Charm technology, a technique for active coherence control. Toptica’s BlueMode has rapidly gained acceptance in demanding laser based inspection and metrology tasks. Researchers and engineers benefit from the combination of high power (up


Ti:Sapphire lasers gets more compact


Laser maker Femotlasers’ new ultrafast laser class Integral core offers what the company calls ‘leading Ti:Sapphire technology’ in a compact and robust package.


This Ti:Sapphire laser combines hands- off operation with state-of-the-art output parameters. Turnkey performance and low cost of ownership make the Integral core the choice


Re-development spurs continuous wave lasers


During the last 12 months Klastech has embarked on a re-development of its continuous wave lasers. To complement the 1064nm and 532nm units, Klastech has introduced a true 442nm


30 ELECTRO OPTICS l FEBRUARY 2012


to 50mW at 405nm) and single frequency laser operation.


The established BlueMode wavelengths (405, 445 and 488nm) are now complemented by new GreenMode (515nm, 25mW) and RedMode (638nm, 30mW and 685nm, 25mW) models. Blue and green wavelengths are well suited to Raman spectroscopy and quantum cryptography, whereas red wavelengths are a common choice in interferometry. Applications requiring multiple laser lines will benefit from the option of running two lasers simultaneously with the same set of driver electronics. www.toptica.com


for everyday use, according to Femtolasers. The compact high repetition rate laser


cavity (patent pending) enhances the passive stability by effective environmental isolation. Limitations in output parameters are no longer necessary. From scientific labs or medical facilities to factory floors, core performance is now available from the ultrafast Ti:Sapphire compact laser. www.femtolasers.com


He-Cd replacement laser together with a 100mW 488nm unit. This re-development has seen major design changes to the laser heads improving their efficiency and ensuring they exhibit longevity in high usage environments. This work has resulted in lasers that achieve <1 per cent power stability over 24 hours.


The Klastech lasers can also be pre- programmed in the factory to work with most industrially standard communication buses so there are no longer any barriers to integrating these lasers to modern industrial production environments. www.klastech.com


www.electrooptics.com


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