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Lasers ♦ news digest


unprecedented and we are very excited to begin using the system to develop enhanced optical cancer diagnostics.”


The award-winning microscope, marketed under the brand name Spero, opens up a new world of research possibilities with breakthrough chemical imaging and analysis on a real-time basis.


Powered by Daylight’s broadly tuneable Quantum Cascade Laser (QCL) technology, Spero offers a combination of excellent visibility, instantaneous results in “live mode,” and a small resource footprint to easily fit into any lab or clinical setting.


During the second phase of the research, the MCF10A and SKBR3 breast cell lines will be analysed with the system to assess the predictive value of the infrared spectral data for normal, cancer, and cancer sub-types.


“We have always appreciated our close collaboration with Drezek and Rice University and are proud to deliver our Spero microscope to her lab,” says Daylight Solutions President, Paul Larson. “We know that her talented team will leverage the advanced capabilities of the instrument to make a very significant impact on the continuing fight against breast cancer.”


Laser Components expands III-V portfolio


The DFB lasers are suited for use in spectroscopic measurements


Laser Components is introducing new higher power range of SPECDILAS-D DFB lasers for spectroscopic measurement technology.


They come in wavelength ranges of 1278 - 1296nm, 1389 - 1398nm, 1504nm - 1512nm, and 1649 - 1654nm with power outputs of up to 25mW (compared previously to 11mW peak output powers).


Spero microscope


The system’s capabilities are further augmented by automated computational algorithms that enable identification and segmentation of complex chemical signatures. Applications for Spero range from label-free tissue and cell diagnostics in Life Sciences to materials analysis in industrial markets.


Drezek’s initial phase of research, funded by the National Science Foundation’s Small Business Engineering Research Centre Collaborative Opportunity (SECO) program, will seek to demonstrate the unique advantages of a tuneable, mid- infrared laser-based system over that of a conventional Fourier Transform Infrared (FTIR) microscope.


The program will also include an evaluation of the Spero’s full and sparse data collection modes. In full data collection mode, a complete spectral scan can be collected in five minutes. This will be compared to the sparse data collection mode, in which only a small subset of key wavelengths are rapidly collected in seconds.


SPECDILAS-D DFB laser modules


The SPECDILAS-D series is directed toward users in the area of diode laser spectroscopy. Selected wavelengths are available on a standard basis. These diodes are manufactured by a German company with more than thirty years of experience in III-V technology.


The PREMIUM option comprises lasers in an SOT5.6, SOT9, or TO8 housing (the last one has an integrated micro Peltier cooler) with an output power level of ≥ 15 mW (compared to 6 mW before) as well as lasers in a butterfly housing with an output power of ≥8 mW.


Lasers in butterfly housings feature an integrated micro Peltier cooler, monitor diode, and single-mode fibre with an FC/APC


June 2014 www.compoundsemiconductor.net 89


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