Beam Expander 1x-4x0 pages
LASERS & MATERIAL PROCESSING I OPTICAL SYSTEMS I INDUSTRIAL METROLOGY I TRAFFIC SOLUTIONS I DEFENSE & CIVIL SYSTEMS
Beam Expander 1x-4x
Variable Beam Expanders for different wavelengths
The different versions of these Beam Expanders offer a t
Based on an optimized engineering concept, these beam
variable expansion at wavelengths of 355 nm, 532 nm or
expanders are very robust and compact, so their lens com-
1030...1080 nm. Its zoom range allows a continuously
ponents will experience no rotational shift in the case of a
variable setting of an expansion factor between 1x and 4x.
change in setup, which yields improved pointing stability.
The larger the size of an expanded beam, the smaller the
Each beam expander is designed to achieve a diffraction
structures that will be generated by a down-line F-Theta
limited imaging quality and has a specific AR coating for
lens.
operation at 355 nm, 532 nm or 1030...1080 nm.
An expansion and focusing scale is directly engraved on
A focusing ring allows deliberate changes in the divergence
the beam expander.
of laser radiation, thus matching the tolerances on focal
length relationships throughout the entire system. Similarly,
All beam expanders can be used perfectly with F-Theta
the image plane position after the scanning unit can be
lenses from Jenoptik as integral parts of a wide variety of
changed.
beam delivery systems.
Optics
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