06/25/2009 • Analytics • Microscopy / Imaging

LCOS-Spatial Light Modulator from Hamamatsu

With the linear and precise pure phase modulation of the LCOS-SLM from
Hamamatsu Photonics, optimized for high light utilization (90%) and high diffraction
efficiency, you get a tool to efficiently control your light.

The X10468 LCOS series covers a wide spectral range from 355 nm to 1550 nm.
The high light utilization efficiency mainly depends on reflectivity, and the amount of
diffraction loss caused by the pixel structure. We adopted advanced CMOS
technology to make diffraction loss smaller. As a result, the diffraction loss is less
than 5 %.

The modules with a dielectric mirror have a very high reflectivity. Therefore, these
types offer very high total light utilization efficiency of about 90 %. Applications with
high power lasers such as femtosecond Ti:Sa lasers become easily possible.
On the other hand the broadband modules cover multi purpose applications from the visible up to the telecommunication wavelength band of 1550 nm with the tradeoff of a lower light utilization efficiency of about 72 %.

The X10468 series can be easily controlled via a PC using the Digital Video Interface (DVI). Distortions in the LCOS chip, such as wavefront distortion and nonlinear response of the LC, are compensated efficiently and automatically by the controller, leading to a very precise and linear phase modulation characteristics.
The X10468 LCOS-SLM modules can be easily used for applications such as multi
point laser material processing, optical manipulation, wave-front correction, laser
pulse shaping, adaptive optics for imaging (eg. retinal imaging), microscopy
applications (e.g. optical tweezers, STED, CARS) and many more.

Beyond that we developed dedicated optical systems for wavefront and laserpulse
shaping employing the X10468 modules.

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Hamamatsu Photonics Deutschland GmbH

Arzberger Straße 10
82211 Herrsching

Phone: +49(0)8152/375-118
Fax: +49(0)8152/2658