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