Product category: Lasers
News Release from: Blue Sky Research | Subject: ChromaLase 488
Edited by the Electronicstalk Editorial Team on 16 September 2003
Blue laser puts
efficiency into argon replacement
A 488nm blue laser is the latest addition to the ChromaLase product line of 635 and 405nm high-stability, free-space lasers from Blue Sky Research
A 488nm blue laser is the latest addition to the ChromaLaseproduct line of 635 and 405nm high-stability, free-space lasersfrom Blue Sky Research. The ChromaLase 488 is a semiconductorfrequency-doubled 488nm laser that delivers 20mW output powerwith superior beam pointing and power stability in a single,compact assembly.
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In addition to superior beam pointing accuracy,the Blue Sky Research ChromaLase 488 requires only 12W inputpower, making it over 100 times more efficient than a 1.5kWair-cooled argon-ion laser.
Using a high-reliabilitytelecomms-grade 980nm pump laser and a single passive SHG (secondharmonic generation) crystal, the ChromaLase 488 generates morethan 20mW of 488nm output power and requires no external powerconditioning, control boxes, or cooling fans.
The laser system isdesigned to operate from 5V DC, and includes a thermoelectriccooler and drive-control electronics.
Further reading
Lasers aim for high-performance applications
ChromaLase lasers are designed to meet the demanding requirements of high-performance OEM applications such as biomedical and analytical instrumentation, alignment and semiconductor metrology
Output power is variableand a DB9 electrical connector allows users to remotely controlthe laser.
The ChromaLase 488 is a very compact, single-unitassembly measuring 145 x 82 x 33mm.
The required volume is 85%less than comparable argon-ion lasers.
'The ChromaLase 488blue laser is a remarkable improvement over conventional 488nm Arion lasers for many applications, especially in terms of beampointing stability over temperature', said Chris Gladding,President and CEO of Blue Sky Research.
'This product isdesigned to meet the requirements of demanding applications,including biomedical and analytical instrumentation, although itis equally suitable to semiconductor metrology.
Like all productsin the Blue Sky Research ChromaLase family, our 488 offersunparalleled value to customers by driving down operational costswhile simultaneously increasing system reliability and improvingoverall optical system performance'.
ChromaLase 488 beampointing stability test data demonstrate beam steeringvariability with temperature of significantly less than 4mrad/C,and variability with time is less than 15mrad over 2h.
Outputpower is very stable, varying less than 2.0% over 8h, and opticalnoise is less than 1% peak-peak.
Testing indicates that theChromaLase 488 MTTF (mean time to failure) is greater than 10kh.The ChromaLase 488 is competitively priced, and is shipping nowin sample quantities.
Custom and fibre-pigtailed configurationsare available on request.
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