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Vcsel Diode Arrays

Laser Focus World - January 2015

Laser Focus World - January 2015

…and fall times
are needed, explains
Ghosh. VCSEL arrays
give very fast rise and fall times, typically
<300 ps, and rise and fall times of <100
ps can be obtained with low-inductance
submounts.
VCSEL arrays also have a narrow emission wavelength (<1 nm) and…

COHR WP OPSL Wavelength Flexibility final 4.17.18.pdf

COHR WP OPSL Wavelength Flexibility final 4.17.18.pdf

…laser (VCSEL). In a conventional VCSEL,
light is emitted perpendicularly to the junction and exits the face of the diode chip, rather than
the edge. The larger output aperture results in a lower divergence beam that can also be
symmetric. Unfortunately, electrically pumped VCSELs