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VCSEL

   Also found in: Acronyms 0.01 sec.

VCSEL

(Vertical Cavity Surface Emitting Laser) Pronounced "vixel." A type of laser diode that emits light from its surface rather than its edge. A VCSEL's circular beam is easy to couple with a fiber, and due to its surface-emission architecture, can be tested on the wafer. VCSELs are also noted for their excellent power efficiency and durability. See laser diode.

Surface Emitting and Edge Emitting
Note how the VCSEL emits light from its surface rather than its edge. Such an architecture allows for on-wafer testing.

VCSEL [¦vē¦sē¦es¦ē′elor¦vē′sē‚sel]


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The realization of a high-speed and highly reliable VCSEL has been long sought after in the race to develop next-generation supercomputing systems.
NEC Develops Vertical-Cavity Surface-Emitting Laser Boasting World's ... by JCN Newswires
VCSEL manufacturers have reported difficulties with the repeatability of their oxidation process.
NIST study accelerates understanding of oxidation mechanisms ... by Journal of Research of the National Institute of Standards and Technology
The Sandia team has now developed a VCSEL that emits visible light and operates using electricity -- two significant advances, says Schneider.
Red laser light gets an electric charge by Schmidt, Karen F. / Science News
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