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All-Fiber Beam Combiner; 450-nm iFlex2000 Laser
Aug 2006
Qioptiq Photonics Ltd.
HAMBLE, England, Aug. 25, 2006 -- Point Source, a UK maker of laser-based and specialty fiber optics products for the commercial and scientific research markets, announced it has launched a more powerful version of its iFLEX2000 fiber-coupled laser and has developed an all-fiber beam combiner for red and blue solid-state lasers.

pointsrc-laser.jpgThe new iFlex2000 diode laser delivers 30 mW at 405 nm with a TEM00 true Gaussian beam. The laser beam conditioning is performed using a singlemode fiber, which acts as the ideal spatial filter while providing a means of flexible beam delivery. Designing the laser this way, Point Source said, eliminates beam astigmatism and spatial noise normally associated with collimated diode lasers. Point Source also claims that the laser is unique in employing a forward closed-loop power control that is immune to optical feedback, providing a long-term ultrastable output and extremely low short-term amplitude noise.

The new laser is primarily targeted at biomedical applications such as flow cytometry and fluorescence imaging; however, due to the TEM00 true Gaussian nature of the beam, it is also ideal for optical media applications where spot size and resolution are critical, Point Source said.

Fused Fiber Technology

pointsrc-beam.jpgThe company's new all-fiber beam combiner for red and blue lasers is designed for singlemode fiber beam delivery and uses the latest in fused fiber technology for ease of integration and long-term stability. The system has been designed as an integrated laser beam delivery system and beam combiner for blue solid-state lasers and red diode lasers.

Its singlemode fiber acts as a spatial filter for higher order laser modes and produces a TEM00 true Gaussian profile for the combined and colinear output beams. The all-fiber nature of the beam combiner removes the need for bulk optics and optomechanics, greatly simplifying the integration of multiple laser sources for instrumentation. The reduced complexity also means the combiner system is immune to misalignment from shock, vibration and temperature effects.

The new beam combiner is primarily targeted at biomedical applications such as flow cytometry and fluorescence microscopy. Point Source said it also plans to release new versions of the product in the near future.

For more information, visit: or contact Ken Green at (44-23) 8074-4500; e-mail:

solid-state lasers
all-fiber beam combinerfiber-coupled laserFLEX2000fused fiber technologyGaussian beamMicroscopyPoint SourceProductsred and blue laserssinglemode fibersolid-state lasers

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