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THORLABS WFS Series User Manual

THORLABS WFS Series
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© 2007-2012 Thorlabs GmbH
125Appendix
6.3.1
Microlens Data
The Thorlabs uses high-quality microlens arrays for its WFS series Wavefront
Sensors which are best suited for Shack-Hartmann Wavefront Sensor applications.
All lenslets are made from fused silica for excellent transmission characteristics from
the deep UV to IR and have a plano-convex shape that allows nearly refraction
limited spots.
The lenses are formed using photolithographic techniques based on semiconductor
processing technology, which allows for excellent uniformity in the shape and
position of each microlens, unlike some microlens arrays produced from molded
epoxy.
The three Wavefront Sensor models WFS150-5C, WFS150-7AR, WFS300-14AR
and the corresponding fast models WFS10-5C, WFS10-7AR, WFS10-14AR utilize
the mounted (M) microlens arrays MLA150M-5C, MLA150M-7AR and MLA300M-
14AR, respectively.
The MLA150M-5C has a chrome mask that blocks light from being transmitted
unless it goes through a microlens and therefore increases image contrast. The
MLA150M-7AR and MLA150M-14AR have a broadband AR coating to reduce
surface reflections in the 400-900nm spectral region to below 1%.
Microlens Array MLA150-5C (without mounting)

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THORLABS WFS Series Specifications

General IconGeneral
BrandTHORLABS
ModelWFS Series
CategoryAccessories
LanguageEnglish