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Bioinstrumentation Lasers

BioPhotonics
Jan 2010
Coherent Inc.Request Info
 
Coherent Inc. has introduced two bioinstrumentation lasers, the Sapphire 488 LP and the Sapphire 561 LP. Available in an OEM and CDRH (Center for Devices and Radiological Health) configuration, they measure 125 x 70 x 34 mm, offering ease of integration into benchtop instrumentation. The 488 LP version offers 150 mW of CW output at 488 nm, while the 561 LP provides 200 mW of power at 561 nm. Both models deliver a beam quality of M2 <1.1, low noise of <0.25% rms from 20 Hz to 2 MHz, and high pointing stability of <30 µrad. Applications include flow cytometry, confocal microscopy, and sequencing in genomics and proteomics.


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GLOSSARY
flow cytometry
A method of measuring the characteristics of microscopic particles, usually cells, as they flow in a fluid stream through a beam of light. Particles may be stained with fluorescent dye and the fluorescence detected via laser illumination.
noise
The unwanted and unpredictable fluctuations that distort a received signal and hence tend to obscure the desired message. Noise disturbances, which may be generated in the devices of a communications system or which may enter the system from the outside, limit the range of the system and place requirements on the signal power necessary to ensure good reception.
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